繁體中文
不翻译
简体中文
English
繁體中文
日本語
한국어
切換到窄版

WK綜合論壇, WK综合论坛

 找回密碼
 立即注册
樓主: wk007

鄉下的妹子太便宜,一次四個都要了[12P]

[複製鏈接]
發表於 2025-1-4 03:25:35 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old
' p! j0 \' |1 a, e$ Q$ uBoy Induced by Indirect Topical+ ?  y1 u" v0 p$ Q0 L9 ^* o
Exposure to Testosterone
/ v  i; t6 i3 l+ H# Z" y: P7 s! NSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2) g! S  s8 d3 G' P
and Kenneth R. Rettig, MD1' l, C- H! {# x& E* L' a- r. M6 `
Clinical Pediatrics4 f- t6 p. m% ~  }4 k. ~" I
Volume 46 Number 6
' L9 |; ^: J- X0 k0 VJuly 2007 540-543
5 \' f& W( U8 K/ k& O% ~© 2007 Sage Publications
5 v- t6 N5 @( N# A10.1177/0009922806296651
7 o# B" e4 C. L( F& Q( yhttp://clp.sagepub.com+ g+ ?& \$ t' B  W5 o' \" p
hosted at
+ z4 v. O2 J* N' Hhttp://online.sagepub.com* A" W. P: R% x# O- K! |5 C
Precocious puberty in boys, central or peripheral,6 J. M* i3 |+ E7 K5 W( \
is a significant concern for physicians. Central
3 ?  m& q( z( yprecocious puberty (CPP), which is mediated  q" _$ `5 ~( X# Y$ e0 d5 R
through the hypothalamic pituitary gonadal axis, has4 \6 `9 ^8 c, t  w: }& `
a higher incidence of organic central nervous system
8 {* U# v2 \! S8 j9 t7 w: Ulesions in boys.1,2 Virilization in boys, as manifested
1 O& u4 @7 p  O. c% m8 zby enlargement of the penis, development of pubic
$ _/ p4 S5 `# X3 ]hair, and facial acne without enlargement of testi-0 [: L- X; |6 o7 ]1 L2 u+ |2 |4 h
cles, suggests peripheral or pseudopuberty.1-3 We" p! |' n) Z( d: Y/ r8 U; M+ y. f2 e
report a 16-month-old boy who presented with the6 R4 E8 p4 g# {* W0 l0 q% g7 Q
enlargement of the phallus and pubic hair develop-6 z8 [) u5 k* e5 t1 N
ment without testicular enlargement, which was due
' x1 Y$ o" N3 ?; T: X1 Xto the unintentional exposure to androgen gel used by
& n6 O- s9 \+ P2 P5 D. a. Zthe father. The family initially concealed this infor-
. x% O* c# P" Qmation, resulting in an extensive work-up for this( ?$ Q% C4 c) q
child. Given the widespread and easy availability of
$ H8 w8 X5 }* C! c8 t4 B+ _1 `testosterone gel and cream, we believe this is proba-+ k" ~& T9 S$ o  o+ X: w+ l3 K0 B3 f
bly more common than the rare case report in the9 ?* f# |, o5 Z8 C( i+ K  Y7 |' a
literature.4( j/ e5 ~# i. N1 A3 v/ Y# e
Patient Report0 u: ~+ x, |+ W$ z- r
A 16-month-old white child was referred to the
: w  B- L" ?: z0 r. Gendocrine clinic by his pediatrician with the concern4 C, D* Z- R# M0 U1 n
of early sexual development. His mother noticed
* k" Z! i/ p/ y' o+ {light colored pubic hair development when he was7 X: L5 X& u* U+ H# @5 ]
From the 1Division of Pediatric Endocrinology, 2University of. ^# T8 N& q' w; I1 s- @
South Alabama Medical Center, Mobile, Alabama.( J4 ]! C/ L9 }
Address correspondence to: Samar K. Bhowmick, MD, FACE,, {1 C4 l/ r8 g& [
Professor of Pediatrics, University of South Alabama, College of9 Q% U- n0 n: Z9 L! a
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;6 ?7 E% Y+ Z; P" Y) l: F3 l, G, X
e-mail: [email protected].
, H8 Q: i$ Q" R! d$ `/ Sabout 6 to 7 months old, which progressively became& `, d  [: H& n7 V& M
darker. She was also concerned about the enlarge-
7 _* V' A/ q1 v6 Pment of his penis and frequent erections. The child0 c7 w% S" j7 r! E8 `
was the product of a full-term normal delivery, with
; r5 T' b* n7 {- Fa birth weight of 7 lb 14 oz, and birth length of
& E9 e3 Z" p" P2 O- b' X20 inches. He was breast-fed throughout the first year
) v& V: ^+ F3 E: q$ T4 Jof life and was still receiving breast milk along with
- m5 p7 |& X5 H1 ?solid food. He had no hospitalizations or surgery,
/ M5 k! h, m/ H' x  ]5 _0 A) Land his psychosocial and psychomotor development
- j/ V4 b! R' f& n: Jwas age appropriate.
- q3 X! S+ i5 f: DThe family history was remarkable for the father,
+ z5 V, _7 w, a/ Y' L$ owho was diagnosed with hypothyroidism at age 16,, \8 l& E, s4 F( k. y
which was treated with thyroxine. The father’s
) o7 B6 a- _" g0 e5 C% k4 ~height was 6 feet, and he went through a somewhat
8 J- D: |0 l  ]5 |early puberty and had stopped growing by age 14.# h& i4 g- p$ I
The father denied taking any other medication. The
# o) R0 m1 t' p9 v. K3 k4 _" l9 schild’s mother was in good health. Her menarche7 L! [$ M+ t9 c/ e8 b6 B& ]
was at 11 years of age, and her height was at 5 feet7 v8 o; S$ _' N" j  z/ [- K
5 inches. There was no other family history of pre-3 ]6 \5 D% z! v& s/ o
cocious sexual development in the first-degree rela-. v$ }- ~5 L* `) ?! @# h
tives. There were no siblings.
) {2 F4 [1 B$ n9 G! e1 KPhysical Examination( q2 r7 G! v* g# q/ a
The physical examination revealed a very active,
! \/ J6 S9 O% z  Xplayful, and healthy boy. The vital signs documented  Y+ w; C9 i1 v
a blood pressure of 85/50 mm Hg, his length was7 a4 P! M' Z$ ~% D
90 cm (>97th percentile), and his weight was 14.4 kg, r$ r# X3 @. E0 Z/ b
(also >97th percentile). The observed yearly growth
* L' }  s  B8 v* a% n$ R' wvelocity was 30 cm (12 inches). The examination of
" v9 a( J/ p6 U" d; }& b) \, fthe neck revealed no thyroid enlargement.% D! M* H  |' p5 w! }+ O: M
The genitourinary examination was remarkable for
  E& E& r* A" zenlargement of the penis, with a stretched length of1 v6 j& l* P/ x  u# Q5 o, D
8 cm and a width of 2 cm. The glans penis was very well
. O# P9 Z6 q' ]' q: t& Y8 Ldeveloped. The pubic hair was Tanner II, mostly around
1 Z; \9 C; c4 p6 ], |540
9 {9 O) o& W! d! H* Dat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from$ z) Q& x9 s- L/ U! o( u
the base of the phallus and was dark and curled. The, N% c8 r4 ^+ \' O4 q, h5 ]
testicular volume was prepubertal at 2 mL each.7 ^1 i* C5 ]5 w' s# c
The skin was moist and smooth and somewhat) U6 F3 }- J. x# U
oily. No axillary hair was noted. There were no' h$ M! `* B, {- l% }! H" T3 [: @3 p
abnormal skin pigmentations or café-au-lait spots.% J9 G; I- h; F+ z" n! m" e% n
Neurologic evaluation showed deep tendon reflex 2+, C, B8 \! l% \5 L
bilateral and symmetrical. There was no suggestion
& J( v" A" i% S! S. v0 ~  }  Rof papilledema." c$ a" f6 y& |* G5 y
Laboratory Evaluation- m) c+ i; e# S# J
The bone age was consistent with 28 months by
/ S* a# z7 a* e* V: `/ [using the standard of Greulich and Pyle at a chrono-
3 E. f7 e* w" ^( V8 ~logic age of 16 months (advanced).5 Chromosomal
& h* b; v3 k( v2 p& V  qkaryotype was 46XY. The thyroid function test
: T8 C4 Y+ |1 C+ e! L6 n9 r/ h2 {showed a free T4 of 1.69 ng/dL, and thyroid stimu-
; M4 ~% M* N8 x1 s8 r; V4 llating hormone level was 1.3 µIU/mL (both normal).3 C6 N$ X; ?' l& k( U
The concentrations of serum electrolytes, blood' ~/ t- u" @4 Q
urea nitrogen, creatinine, and calcium all were' b: H& o1 w2 q4 _5 j/ G5 k- N
within normal range for his age. The concentration
5 P/ m% P. u1 T. i# [' pof serum 17-hydroxyprogesterone was 16 ng/dL  z7 w8 e; A' X0 T* J5 l
(normal, 3 to 90 ng/dL), androstenedione was 208 U$ \0 A# l3 Z& g
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
5 c0 e( W4 \: B, {0 I& R/ P. Xterone was 38 ng/dL (normal, 50 to 760 ng/dL),2 J3 s; K8 c6 h" v: w) ^2 H
desoxycorticosterone was 4.3 ng/dL (normal, 7 to/ v. ~! o$ A7 U& x0 W% N
49ng/dL), 11-desoxycortisol (specific compound S)' h% D* n: j8 m3 |
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
! V+ o. R  u' C4 z# utisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total+ ?7 i- U3 Q& Z/ a/ ^$ ?: H
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),- A0 E9 b, \1 o- t0 X  S
and β-human chorionic gonadotropin was less than- W  v. Y5 Y4 ^3 a: G+ P( \
5 mIU/mL (normal <5 mIU/mL). Serum follicular
- R, |/ y2 f) m( \  w- q, W, ^+ }stimulating hormone and leuteinizing hormone. X$ x) t+ P8 u- r5 v* T
concentrations were less than 0.05 mIU/mL& g; l7 e) w4 h1 N. ?* N+ z
(prepubertal).6 N4 L4 K' @+ T0 Q# ~* O
The parents were notified about the laboratory
. C5 k- n3 s5 }: E, Kresults and were informed that all of the tests were
- E0 v$ I( V1 K( n. E$ E) W2 onormal except the testosterone level was high. The
/ g! B+ x* g: R5 A; }  mfollow-up visit was arranged within a few weeks to
4 E" I% k- o5 |$ m; Dobtain testicular and abdominal sonograms; how-
* F# a0 r  l+ Y4 k# Hever, the family did not return for 4 months.
  Q) Z2 G( d9 `7 `) T0 |Physical examination at this time revealed that the
: S2 N7 r7 r1 h4 zchild had grown 2.5 cm in 4 months and had gained
$ @% |$ R- v) @0 F4 g4 c6 A# c. g2 kg of weight. Physical examination remained* G4 q# ?2 ]: h) k5 [
unchanged. Surprisingly, the pubic hair almost com-
) e% x7 q% H. |3 k5 S; Z( P3 j5 Lpletely disappeared except for a few vellous hairs at
5 ^. Z, @7 _* @+ L3 u( Ethe base of the phallus. Testicular volume was still 2# y; a, `2 E# ~' `. E. |
mL, and the size of the penis remained unchanged.9 N% L5 C/ s! Z5 o/ E: [
The mother also said that the boy was no longer hav-# D( S7 Q. s# ~  u; X- C7 E* V
ing frequent erections., Y$ k9 D: u7 t. s0 R: ]  c7 s+ P; o
Both parents were again questioned about use of$ R- C3 ~' v, _, O
any ointment/creams that they may have applied to
7 x5 V% E: T. Rthe child’s skin. This time the father admitted the
& T' _2 J+ Z0 yTopical Testosterone Exposure / Bhowmick et al 541
! {9 t/ m' K' E. P0 R, Y- c2 |, muse of testosterone gel twice daily that he was apply-
) I1 C* J6 `3 A" xing over his own shoulders, chest, and back area for  h( n" E, p$ e7 I
a year. The father also revealed he was embarrassed
! K8 a. }1 S( H, }to disclose that he was using a testosterone gel pre-
' S6 j2 ?7 p: gscribed by his family physician for decreased libido5 I: I/ h/ ^( b
secondary to depression.7 g; O5 ^6 k2 l
The child slept in the same bed with parents.
7 m# m  a: j+ h' k9 EThe father would hug the baby and hold him on his8 H, N3 E4 C/ ~# I8 K9 y* L3 i& A$ V6 I
chest for a considerable period of time, causing sig-5 V% Y& @) f4 d$ p7 @% V
nificant bare skin contact between baby and father.
  L- |2 J! Z  t5 ]" K- {+ B- \The father also admitted that after the phone call,4 K( }4 G% _4 \$ B
when he learned the testosterone level in the baby9 W( |$ T6 w. e: t9 g( K  G
was high, he then read the product information4 B% U4 Q; T/ P2 S, j3 q
packet and concluded that it was most likely the rea-% P& q5 q) u5 ]! d+ W
son for the child’s virilization. At that time, they
& |. p- G8 L' `. }( kdecided to put the baby in a separate bed, and the$ g. C2 `# o0 [7 u
father was not hugging him with bare skin and had
/ ^. C1 J; P+ A  w: Vbeen using protective clothing. A repeat testosterone& @0 [7 ~; N3 k# O
test was ordered, but the family did not go to the
9 [9 I0 ]* t4 T; D, w: Q; T$ Jlaboratory to obtain the test.
: W8 H# K( ?+ z: |; n0 cDiscussion
( @( H! F/ C0 O! s; `$ o2 gPrecocious puberty in boys is defined as secondary
' k8 w9 a/ @* L9 V7 R, ysexual development before 9 years of age.1,4! y6 r) T& @! W+ {3 _! s4 Q+ C
Precocious puberty is termed as central (true) when# ~5 p! u: ~. M0 I
it is caused by the premature activation of hypo-- g! `1 r  E" c
thalamic pituitary gonadal axis. CPP is more com-
3 S7 ^) F( P4 D& c- P+ `1 M! Y5 wmon in girls than in boys.1,3 Most boys with CPP+ n) w7 L6 N$ s9 V) h( c2 l
may have a central nervous system lesion that is7 v3 V+ T0 ?0 F1 @/ Y+ Q* h6 P
responsible for the early activation of the hypothal-
1 l- ^" k% v  Z1 M3 W' `# j: Bamic pituitary gonadal axis.1-3 Thus, greater empha-3 `. H, @7 i8 P2 \
sis has been given to neuroradiologic imaging in7 @! r, P3 Z% [+ F" e3 {
boys with precocious puberty. In addition to viril-
8 H( }" y) c' q: Bization, the clinical hallmark of CPP is the symmet-
. R" y6 v. M0 H/ t& |% H/ ]rical testicular growth secondary to stimulation by
, T. j+ f2 d9 u" `7 Egonadotropins.1,3
" N' h: b& j# u# j8 }Gonadotropin-independent peripheral preco-9 _9 w% J8 X; ~2 G& r. @
cious puberty in boys also results from inappropriate5 Y6 y  V1 M0 l$ f
androgenic stimulation from either endogenous or; o4 ~% w" h3 n9 I
exogenous sources, nonpituitary gonadotropin stim-5 E' w, \* Q, M$ S% F2 I  g
ulation, and rare activating mutations.3 Virilizing& X, t3 n& U. H) c5 P0 \
congenital adrenal hyperplasia producing excessive
& U; f$ D+ a) {3 B- \6 L" Kadrenal androgens is a common cause of precocious
4 v+ {! K3 \4 ~* ~puberty in boys.3,43 g0 g- A6 X2 w
The most common form of congenital adrenal- d! V; P9 z9 R$ g# @/ p0 N
hyperplasia is the 21-hydroxylase enzyme deficiency.
  S+ V- O) D- y- E) wThe 11-β hydroxylase deficiency may also result in* r2 ^  P% ^6 {4 Z: X5 M
excessive adrenal androgen production, and rarely,
2 a9 `; K7 `: V: A8 L5 t9 San adrenal tumor may also cause adrenal androgen' ~) P$ ]1 w, j% K# M) H' T9 }4 o
excess.1,3- d$ B4 ~3 G2 Q3 t- e
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
, t- U/ F9 d9 q. g1 C542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
2 M# @8 r0 m& RA unique entity of male-limited gonadotropin-  e$ F7 R4 r4 x- H# D
independent precocious puberty, which is also known5 J9 z4 A& L5 H! p+ ?
as testotoxicosis, may cause precocious puberty at a
7 K  |( i: Q1 E4 N+ w4 g2 tvery young age. The physical findings in these boys
0 i" ^4 Z" M6 W' v' X8 _- s6 o6 twith this disorder are full pubertal development,' H$ d9 Z0 k0 P. t6 M
including bilateral testicular growth, similar to boys
8 c: S. t5 t$ k  Jwith CPP. The gonadotropin levels in this disorder) I& a( ?* Q2 n  j! o
are suppressed to prepubertal levels and do not show5 R- m: Q) h  g: M0 q% u. l
pubertal response of gonadotropin after gonadotropin-
" Z. K. l* n8 C# Q7 C% I6 p9 [releasing hormone stimulation. This is a sex-linked
5 a) l: W$ [1 W, l$ yautosomal dominant disorder that affects only
" q; ?  {8 Z4 _males; therefore, other male members of the family! \$ K& L2 m8 T
may have similar precocious puberty.3+ v9 a$ r& F; z
In our patient, physical examination was incon-
' b8 g3 p& x4 S! s# X$ o6 k" ^sistent with true precocious puberty since his testi-+ X3 v- o& D9 ^% N4 }* D9 l
cles were prepubertal in size. However, testotoxicosis
2 w) D& [7 O  ^was in the differential diagnosis because his father# P: u1 {: A) w% W1 Y( S! X7 H
started puberty somewhat early, and occasionally,
- d1 M6 c) R, B) Btesticular enlargement is not that evident in the6 k/ B$ A7 {3 k% I% a$ r
beginning of this process.1 In the absence of a neg-7 {! t) ]6 Z3 E* _: }0 c
ative initial history of androgen exposure, our
+ ~$ ^+ E) E7 d- e* U2 X9 Sbiggest concern was virilizing adrenal hyperplasia,
- \/ Y: y& O  j8 D& @& C* Deither 21-hydroxylase deficiency or 11-β hydroxylase+ P" A6 P* u2 s6 J
deficiency. Those diagnoses were excluded by find-
8 D4 V' }1 A3 E! y* [  s; }ing the normal level of adrenal steroids.% D& r- M) G: i$ N' `
The diagnosis of exogenous androgens was strongly
& ?8 A. n  Q4 T0 Zsuspected in a follow-up visit after 4 months because
  x3 J$ {% `& D* D4 A* r& xthe physical examination revealed the complete disap-! W( Q7 h2 z) P6 H4 r% y
pearance of pubic hair, normal growth velocity, and
' g( ?0 w, \  J1 J8 @6 l" v; mdecreased erections. The father admitted using a testos-2 n& ?/ h7 n9 @3 J
terone gel, which he concealed at first visit. He was
3 u: O" D% Z4 n0 {2 Busing it rather frequently, twice a day. The Physicians’
( F* d$ G7 f! M/ K  `% ?  r( ~Desk Reference, or package insert of this product, gel or
# [! Z  @6 ~: S. \: Ncream, cautions about dermal testosterone transfer to5 }6 p+ B9 t7 O( l
unprotected females through direct skin exposure.7 ^2 \/ O4 I9 X, p
Serum testosterone level was found to be 2 times the
, k9 T6 K5 S2 \baseline value in those females who were exposed to& h1 m# Y; D8 |% _# b! h5 E& z9 @2 {+ y
even 15 minutes of direct skin contact with their male
$ F' N8 L! ~, S: _- |* `3 ipartners.6 However, when a shirt covered the applica-+ ~9 Z' j: d5 H
tion site, this testosterone transfer was prevented.
  W$ n5 Z$ Y( v/ e5 V+ l. uOur patient’s testosterone level was 60 ng/mL,, b5 @5 H- g, j
which was clearly high. Some studies suggest that
  Y/ \' U5 h0 R+ j; [4 c4 edermal conversion of testosterone to dihydrotestos-
  v; @& ?2 J, p# yterone, which is a more potent metabolite, is more  P: l! m& Z; g/ r2 K
active in young children exposed to testosterone
2 t' S5 q$ u. x$ \5 vexogenously7; however, we did not measure a dihy-+ @& ~# Y: F' C4 w1 l
drotestosterone level in our patient. In addition to3 J2 Y. n& G* h
virilization, exposure to exogenous testosterone in
! {; l( |- z& i, M1 m, bchildren results in an increase in growth velocity and( t7 J/ a$ a1 M* a
advanced bone age, as seen in our patient.2 u, s2 ]1 s  h" {+ |
The long-term effect of androgen exposure during
) B8 S3 O4 |4 n& Z( n. wearly childhood on pubertal development and final
8 v' y2 s' g2 k4 D( Iadult height are not fully known and always remain- f; k; A- O* `
a concern. Children treated with short-term testos-. k# P0 A1 F1 M5 G7 r
terone injection or topical androgen may exhibit some0 L" F5 h% {/ H: ^" ~  Q% }
acceleration of the skeletal maturation; however, after7 o/ D. y6 m/ P) \* e3 h* H
cessation of treatment, the rate of bone maturation
1 q" R; w* U. U8 k& kdecelerates and gradually returns to normal.8,9
- s) c1 w" L4 U9 a3 ]7 K  dThere are conflicting reports and controversy. P0 ^! |' D5 v: q: r; K
over the effect of early androgen exposure on adult
+ w4 l- \8 Q0 z( k0 Rpenile length.10,11 Some reports suggest subnormal
! l" u1 d$ _2 k" \* k) Y) ]adult penile length, apparently because of downreg-
- O' t2 {! u$ E" x  Zulation of androgen receptor number.10,12 However,
1 U; @) ~! L2 ~4 ]+ oSutherland et al13 did not find a correlation between
( ?6 C. u" R* J" N" [' V$ u& r# Achildhood testosterone exposure and reduced adult
, S+ t3 H, L/ Y. O6 q$ epenile length in clinical studies.
5 i/ O1 m5 f1 y+ A0 CNonetheless, we do not believe our patient is
) e) i/ u3 s' Zgoing to experience any of the untoward effects from
; ]& n, s- Y, m0 O7 l% P  Ytestosterone exposure as mentioned earlier because5 {$ n7 B/ ^$ j5 P0 e' Y+ l7 _0 V
the exposure was not for a prolonged period of time.
$ m' C  h9 @) vAlthough the bone age was advanced at the time of
2 W5 S; p6 E3 \: W: v% h% wdiagnosis, the child had a normal growth velocity at  d& A" p6 x3 H2 W- ]) x. t
the follow-up visit. It is hoped that his final adult
. I" E# @* ]; u9 ?7 V- H2 \# P! Rheight will not be affected.% |& p3 m+ L0 O/ v3 T8 [: f4 ?
Although rarely reported, the widespread avail-1 `  U! g2 s5 e& A+ X* d) c7 R. ~# H
ability of androgen products in our society may  R- E& g( y0 H5 W
indeed cause more virilization in male or female' I4 ]3 l. a+ m; e) a
children than one would realize. Exposure to andro-
0 O/ c9 s+ G# v. t6 _' w3 j2 Zgen products must be considered and specific ques-; R; ^  r& W# f1 m
tioning about the use of a testosterone product or" G! j/ R5 `) J8 l- N8 D% z; {& M
gel should be asked of the family members during/ N9 ?7 _* r$ p/ A8 J
the evaluation of any children who present with vir-
3 e: z# s* U& Q( xilization or peripheral precocious puberty. The diag-8 X7 v0 u, Y. N% d7 Y# C% R; v
nosis can be established by just a few tests and by
  ^+ \7 e! _5 o2 n) Wappropriate history. The inability to obtain such a
+ f3 U* X+ b8 Dhistory, or failure to ask the specific questions, may+ q( `7 a1 |; g1 i$ N
result in extensive, unnecessary, and expensive
3 L! {; @! B5 N. finvestigation. The primary care physician should be' {* w0 N0 B3 `3 Y1 X# ]
aware of this fact, because most of these children/ I1 [" C1 |$ ]: K8 P  |! d5 w! x
may initially present in their practice. The Physicians’
: E& V7 ?5 g* c! ]Desk Reference and package insert should also put a9 Q& l: O9 ]' c
warning about the virilizing effect on a male or
2 l* D, ~$ z; E# s. Cfemale child who might come in contact with some-( _& g; n# u7 U$ }& B" Q
one using any of these products.
, J6 k: c5 J1 L" ^7 ZReferences
# Z" H# O. l" {3 P' b1. Styne DM. The testes: disorder of sexual differentiation
. _/ r: P$ \/ f" @: tand puberty in the male. In: Sperling MA, ed. Pediatric0 _% w7 K: k( Q
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
3 _  {) S& r: Z1 e% }% B) ~2002: 565-628.
2 U: {& C/ z9 k& M$ H4 V( b2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious1 t7 H7 r5 B& M4 k; j$ w( }* X3 v
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old- j7 U1 O9 T, b* E  X6 g
Boy Induced by Indirect Topical
6 y, D3 z2 r9 VExposure to Testosterone
' p4 P. y& l9 |" wSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
# w7 `# W1 N3 C  V8 D8 h% Oand Kenneth R. Rettig, MD1
6 D( N; s5 p$ q' _0 ~. ]! ?5 p& KClinical Pediatrics
5 V$ e! U* y, P+ @Volume 46 Number 6
5 m+ u& `' D: U/ G. }! hJuly 2007 540-543
4 H. U4 W/ L( C* Y' Z© 2007 Sage Publications
0 T2 R$ @' _4 g9 Q10.1177/0009922806296651: C; z$ L3 I/ U4 C# n4 u
http://clp.sagepub.com5 Y+ Z0 z: @- q8 Z) ~. y
hosted at
: M7 j1 y# |" r1 e3 @2 B, ehttp://online.sagepub.com
6 Z2 C1 H1 k* Y  Q7 U* x3 oPrecocious puberty in boys, central or peripheral,
8 J8 t/ Z) `) W% M+ Ois a significant concern for physicians. Central6 \1 v$ N* f* K( |# g2 |3 a- @$ u- L
precocious puberty (CPP), which is mediated0 _; M5 ^8 [% a3 x5 B! l* |
through the hypothalamic pituitary gonadal axis, has: R6 ?1 u, ^( H
a higher incidence of organic central nervous system
# p( N& R+ ^  _& K, ylesions in boys.1,2 Virilization in boys, as manifested
) T( g  E# k2 C& r# y# _by enlargement of the penis, development of pubic8 B5 h* y7 J- G& w! `0 v
hair, and facial acne without enlargement of testi-
( ^) W% Z, T( c. ~: G1 y1 n* I+ \cles, suggests peripheral or pseudopuberty.1-3 We
7 N! n" |0 x. N8 ireport a 16-month-old boy who presented with the. q- p; Y" I2 h' C. t
enlargement of the phallus and pubic hair develop-
3 r9 p5 @2 p& M4 \9 [4 y5 ument without testicular enlargement, which was due
2 p/ M' w3 S. `7 F5 Kto the unintentional exposure to androgen gel used by" H3 W+ D* G9 v* T2 x5 e) e
the father. The family initially concealed this infor-2 T0 S$ ~3 p) ]) ~4 H# q5 q- l5 e
mation, resulting in an extensive work-up for this
4 m  {' q* @5 b9 l, Q  R0 t1 Z- Z. Echild. Given the widespread and easy availability of/ j  x, J- P0 M7 T3 E% p
testosterone gel and cream, we believe this is proba-. t/ M8 n* Z* M+ v) r2 D
bly more common than the rare case report in the
8 M/ K0 r  |0 s/ }literature.47 q+ X. P, u+ z% U
Patient Report; f% {4 ~$ X0 ~+ P; @
A 16-month-old white child was referred to the
. o8 l% j% n0 ]endocrine clinic by his pediatrician with the concern
  V2 G9 N5 C- P4 O, b5 N- s$ W) Qof early sexual development. His mother noticed
6 F5 v; s! m6 v. I  V' R+ jlight colored pubic hair development when he was
: P2 ^' z) f. W1 ]4 qFrom the 1Division of Pediatric Endocrinology, 2University of
/ ?4 Q. o: ]1 ~7 I# o6 oSouth Alabama Medical Center, Mobile, Alabama.5 f5 }2 E4 @- r9 {9 G( C) P/ m
Address correspondence to: Samar K. Bhowmick, MD, FACE,& `3 j6 q8 z/ V( w6 }" X  }
Professor of Pediatrics, University of South Alabama, College of# w; @2 Y) p+ H$ x. {7 @# b' D
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;6 i: O4 W5 u- i% b
e-mail: [email protected].2 P5 M- N4 \/ [* A8 J; F
about 6 to 7 months old, which progressively became
3 w/ J: N+ ?7 F5 Kdarker. She was also concerned about the enlarge-
8 n1 Q: [3 Y) a6 @& D1 D# pment of his penis and frequent erections. The child- n" ]! J: u3 v" z
was the product of a full-term normal delivery, with9 H1 z2 z0 Y* w1 {; n( D3 a$ g/ ^, F) Q% O
a birth weight of 7 lb 14 oz, and birth length of: W; h, B6 [8 H1 y2 L& Z( d' m
20 inches. He was breast-fed throughout the first year) J6 d4 V3 o8 I" J% a3 p5 ]. c# o5 L
of life and was still receiving breast milk along with  a8 f3 V( Z/ p3 z# l
solid food. He had no hospitalizations or surgery,, D, i: ]  s6 M! V  N& `. ?$ T/ b
and his psychosocial and psychomotor development
5 `0 z- \1 v  ^3 wwas age appropriate.8 `' S$ q- G! N: I
The family history was remarkable for the father,5 D3 X+ n. l/ Y6 j) K/ I3 P7 O
who was diagnosed with hypothyroidism at age 16,: G4 M' A- T4 v; w1 \
which was treated with thyroxine. The father’s- C) |: d! [9 o1 K" L' h5 Y
height was 6 feet, and he went through a somewhat2 D7 R/ L$ L4 e% E+ m
early puberty and had stopped growing by age 14.( C6 h- X' |8 C6 \. q6 y
The father denied taking any other medication. The
3 b" k: V6 `, m+ ?child’s mother was in good health. Her menarche) N+ V  \0 Y5 Q2 x: s; [/ @) {
was at 11 years of age, and her height was at 5 feet& a; E4 X; S4 T% p
5 inches. There was no other family history of pre-
; b# P0 c5 K' j9 Q9 `1 ]; lcocious sexual development in the first-degree rela-* L6 U; i4 w9 ~/ a0 [( a
tives. There were no siblings., b; H. M5 p3 g0 ]% s) S
Physical Examination  k8 u3 S" ^# i5 }2 l- U1 Y$ q
The physical examination revealed a very active,
' v) k& P7 d" t5 mplayful, and healthy boy. The vital signs documented  [. c" T" |+ [9 \, o3 l" Q( P
a blood pressure of 85/50 mm Hg, his length was3 \$ H# {+ J3 k; _* N5 N! g7 \7 V* ^3 g
90 cm (>97th percentile), and his weight was 14.4 kg+ x  _) Z! x- @
(also >97th percentile). The observed yearly growth
9 F* {& y5 B6 t# y' y% b, Fvelocity was 30 cm (12 inches). The examination of
+ W$ r' J4 C3 v6 R- u- Dthe neck revealed no thyroid enlargement.  [0 c- x  X8 \* {$ M) N
The genitourinary examination was remarkable for
" H. p6 n2 q& c- A$ ~2 i6 ~enlargement of the penis, with a stretched length of
4 i8 z' @; c. n! E- `8 cm and a width of 2 cm. The glans penis was very well! Q6 S5 X5 H4 `& Y
developed. The pubic hair was Tanner II, mostly around
3 ]- X3 L5 e5 c540
9 S( U- o. ]" \' \) r/ C, G, Oat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from; z/ Y2 k9 n) G! S% m8 Z$ P0 ]1 F
the base of the phallus and was dark and curled. The1 N) P% U! E) `$ s/ c
testicular volume was prepubertal at 2 mL each.
5 o# w4 N# O' J* tThe skin was moist and smooth and somewhat
, O3 }/ k8 y; x3 j  L3 ?: g9 k- [oily. No axillary hair was noted. There were no; |# W. R" k! V' W3 H
abnormal skin pigmentations or café-au-lait spots.
( D& q3 D' r. [& tNeurologic evaluation showed deep tendon reflex 2+- T1 b8 `, n" P
bilateral and symmetrical. There was no suggestion9 r/ A  K1 Q! I5 Q9 C+ D
of papilledema., S( S3 a" k( ]7 O
Laboratory Evaluation
" _& p% d, D) O( I) |The bone age was consistent with 28 months by
; v- p0 C3 x4 M" f) p1 i( Husing the standard of Greulich and Pyle at a chrono-
- Q+ Z' S: Y  U% ~/ @  zlogic age of 16 months (advanced).5 Chromosomal- J) U/ w) A4 v& E
karyotype was 46XY. The thyroid function test! d6 t/ ?" x4 _# U
showed a free T4 of 1.69 ng/dL, and thyroid stimu-# n4 S7 k* Q5 u5 a6 X$ ?- P1 f
lating hormone level was 1.3 µIU/mL (both normal).! E4 n% }* D- o+ N  y. n* h
The concentrations of serum electrolytes, blood. e$ ^& T5 n  n- }" t. H3 M6 b0 E
urea nitrogen, creatinine, and calcium all were
7 ?5 n7 o  _9 o# n% A" b8 ywithin normal range for his age. The concentration
- m: y; Z' W9 J" b1 s- ?of serum 17-hydroxyprogesterone was 16 ng/dL! l  {: ~- j3 u8 R
(normal, 3 to 90 ng/dL), androstenedione was 20, G4 a' j$ ]' u0 V; ~0 Q' M
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
1 h& X- ^8 M3 R- n( P9 sterone was 38 ng/dL (normal, 50 to 760 ng/dL),8 Q( x" \6 u1 F9 e
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
- u! t0 D) c% t0 N! W49ng/dL), 11-desoxycortisol (specific compound S)8 ~: y! f& g& j  }" N: p# }3 D4 v4 z
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
; }5 w4 S$ m2 _9 u7 J' Y. ytisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total2 ?; A6 X* i# I: y( D  K7 Y
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),: x+ m9 x& _3 Z- x# c& o
and β-human chorionic gonadotropin was less than
5 O4 K6 j7 Z" b( O0 ?4 v/ X; N5 mIU/mL (normal <5 mIU/mL). Serum follicular) z) I! E& o- w9 v# d7 U' ^/ }
stimulating hormone and leuteinizing hormone
+ v+ z; h& ]4 _- Aconcentrations were less than 0.05 mIU/mL( N1 Z) o$ i0 C3 q( U7 S. f1 X
(prepubertal).
2 ^2 i3 S6 ^! l( LThe parents were notified about the laboratory# R; F5 T( F; g  t' ?4 g5 ^+ Q2 W7 q* ^
results and were informed that all of the tests were
! }/ Y: q# o1 k- @) ~normal except the testosterone level was high. The2 q3 k, i0 d* h; Y3 G; X8 X
follow-up visit was arranged within a few weeks to
0 B) T6 `! ?" g$ `1 P+ ~obtain testicular and abdominal sonograms; how-
2 y) A) A, @: E" V- ~) aever, the family did not return for 4 months.
! V" E3 ~% c' V* T4 N0 C; LPhysical examination at this time revealed that the% d1 D& t1 P* J" ^7 f
child had grown 2.5 cm in 4 months and had gained8 q& I3 w' @' J
2 kg of weight. Physical examination remained
+ _9 s& t8 g& [& t1 @' b' lunchanged. Surprisingly, the pubic hair almost com-
" i8 i: u2 `! V. opletely disappeared except for a few vellous hairs at  B- v5 l2 Z7 b8 V. U- O
the base of the phallus. Testicular volume was still 2
# _5 o$ g0 [  ]; i$ U7 t7 SmL, and the size of the penis remained unchanged.  K1 X5 f8 O5 I( ~* R
The mother also said that the boy was no longer hav-! t/ f. t. C) h
ing frequent erections.6 b, ~5 J. h( D
Both parents were again questioned about use of" V# z" |; W8 p5 u
any ointment/creams that they may have applied to4 l6 u: n8 Q6 e2 k+ A" m% Z$ m2 ?1 P
the child’s skin. This time the father admitted the
" `1 }: h  p: J0 |8 g& o: `Topical Testosterone Exposure / Bhowmick et al 541, {- K( ^- d2 g; ~
use of testosterone gel twice daily that he was apply-& ^8 ]; y* Q3 ^8 T2 _, h. n) q2 W
ing over his own shoulders, chest, and back area for
( k9 s  g" r' i6 p$ ea year. The father also revealed he was embarrassed3 b7 d9 O1 Q  W8 c
to disclose that he was using a testosterone gel pre-
2 [+ L3 z; y% E9 w! \scribed by his family physician for decreased libido. W/ @) o3 r+ \/ y* r+ @
secondary to depression.8 ^# B7 E# @7 E7 y; |
The child slept in the same bed with parents.( D* Y9 L8 {2 ~' F/ Z! R8 `" m
The father would hug the baby and hold him on his
' K9 f# O+ o3 t1 W. W$ n' xchest for a considerable period of time, causing sig-
8 H3 {" ?; S' U$ W% {# j7 xnificant bare skin contact between baby and father.
9 J3 S5 I# f( H* t0 D; \The father also admitted that after the phone call,3 g* w( ^/ ]- G- B+ o2 M9 l; P
when he learned the testosterone level in the baby6 l: f/ N* w. Z
was high, he then read the product information2 \1 S& S7 D+ _9 T
packet and concluded that it was most likely the rea-7 c: F1 P; H1 D) j. g
son for the child’s virilization. At that time, they7 h$ a9 v$ z! Y7 X. b/ B
decided to put the baby in a separate bed, and the
, N+ I# i# k2 X7 y/ h6 y! m" Ofather was not hugging him with bare skin and had* Z2 g. o8 I  v" B! K* g; I
been using protective clothing. A repeat testosterone3 ^, y0 F! ?3 l8 g* l5 z4 R
test was ordered, but the family did not go to the- a; z6 y* [9 t5 D) z
laboratory to obtain the test.
7 f% X* w& c* _5 PDiscussion
# ]& h; I. c/ U' T4 g* O  bPrecocious puberty in boys is defined as secondary
5 |9 F, J7 }0 a/ ]! o8 R* Xsexual development before 9 years of age.1,4. g" G. h7 {' ^+ g$ G, f
Precocious puberty is termed as central (true) when
* M# `0 U+ e, d$ L# Oit is caused by the premature activation of hypo-
6 z5 i; G" i/ G, Q, M) p7 Y1 sthalamic pituitary gonadal axis. CPP is more com-: z& M1 [4 w2 T) P& f4 R: j, T% j# P
mon in girls than in boys.1,3 Most boys with CPP( Z$ c+ I" o/ z" L
may have a central nervous system lesion that is: m2 h( q4 P3 }$ x0 N3 u/ h% n
responsible for the early activation of the hypothal-# \0 p+ x8 @  T1 C: @3 J
amic pituitary gonadal axis.1-3 Thus, greater empha-
' O$ R4 P% q$ N* {1 Ksis has been given to neuroradiologic imaging in! k8 R, N; o2 ]* U5 J1 q1 r
boys with precocious puberty. In addition to viril-" K8 K6 u2 E% p1 X" `
ization, the clinical hallmark of CPP is the symmet-
9 J' B& n# X0 p) Yrical testicular growth secondary to stimulation by
( ^' E  B& X( P+ v' [gonadotropins.1,3
7 m# q$ \9 N8 i5 Z; j6 e6 TGonadotropin-independent peripheral preco-8 r$ `; q. D& r* e
cious puberty in boys also results from inappropriate% V6 o2 p2 R5 A: ~6 {9 E
androgenic stimulation from either endogenous or
6 j5 U& U) _9 B; H! j# eexogenous sources, nonpituitary gonadotropin stim-* A" ?1 D3 [7 f3 `& u
ulation, and rare activating mutations.3 Virilizing4 k* z9 C; y0 u7 J& Q$ d2 x6 t% {
congenital adrenal hyperplasia producing excessive( {" u& m8 a9 }5 a$ R" T" J3 N
adrenal androgens is a common cause of precocious& G2 t( w. X# W: a" Q
puberty in boys.3,48 \2 w1 d2 _* w; r5 z1 j
The most common form of congenital adrenal
) h2 S4 [8 V3 b  N( W! q" v( k1 ohyperplasia is the 21-hydroxylase enzyme deficiency.
0 m0 x- c+ N1 z6 [# {. j  u0 |The 11-β hydroxylase deficiency may also result in
' f3 F$ [1 H8 [7 S. s1 d4 @0 Q. Lexcessive adrenal androgen production, and rarely,
; F; T6 e( E* |5 n8 yan adrenal tumor may also cause adrenal androgen1 _: B! b1 ]1 z4 L. O. K0 S
excess.1,3! I! a; d' ?; {. @8 v+ u
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from3 X3 m' \/ Q! S3 t" v
542 Clinical Pediatrics / Vol. 46, No. 6, July 20074 J( f" k  |  e  U( ]; j4 x  f
A unique entity of male-limited gonadotropin-6 {. A0 ~4 r1 s% O1 R  C
independent precocious puberty, which is also known
! q% b4 M5 g7 t+ Y1 e) sas testotoxicosis, may cause precocious puberty at a
, _1 |9 }) `9 u/ n: G8 B- l4 y7 ~* N# ~very young age. The physical findings in these boys
: `3 M, v' l' ywith this disorder are full pubertal development,. V. j; j' Q* ^+ G) ^# D
including bilateral testicular growth, similar to boys# `& H$ P3 S4 c! m# L7 W1 q' `
with CPP. The gonadotropin levels in this disorder
, @  _8 \& R" x6 {& {3 _& @9 ^are suppressed to prepubertal levels and do not show
8 l+ I& d8 t) M' Zpubertal response of gonadotropin after gonadotropin-
: t) c$ H: g( f' x0 }6 Q6 breleasing hormone stimulation. This is a sex-linked. p8 t- [7 g3 w5 P/ g
autosomal dominant disorder that affects only
& L! [2 F  E; v6 Xmales; therefore, other male members of the family/ s: F% M# G4 d# _9 x* d7 c; O% E
may have similar precocious puberty.3$ U% u! t- Q5 X) n6 q: q" Y
In our patient, physical examination was incon-
( }/ Z1 @6 A2 f$ p: A! T8 qsistent with true precocious puberty since his testi-
0 D; g6 J4 e6 {5 t4 a' I- \cles were prepubertal in size. However, testotoxicosis
# l( E6 _, F% `- N) D5 t; m% xwas in the differential diagnosis because his father7 t9 q2 n7 s. ~, |3 }* F
started puberty somewhat early, and occasionally,
7 E5 h* u: r7 q8 R* g: gtesticular enlargement is not that evident in the
& u* [5 g9 n9 \/ a6 y" L5 `beginning of this process.1 In the absence of a neg-8 q9 w; z. [( F# T
ative initial history of androgen exposure, our
1 x  a5 X- W* L1 W# F% Zbiggest concern was virilizing adrenal hyperplasia,# G% z/ |" F- C; i" C# Y8 _# s# j
either 21-hydroxylase deficiency or 11-β hydroxylase0 N2 d/ Y1 t7 y
deficiency. Those diagnoses were excluded by find-9 Z5 _4 y6 Q+ k# x  O" y
ing the normal level of adrenal steroids.) Y$ }+ g% J* A
The diagnosis of exogenous androgens was strongly
$ J* [5 ?* }4 {suspected in a follow-up visit after 4 months because
! U) |+ @; F8 g: a: B# Mthe physical examination revealed the complete disap-
# b" c! ^5 _8 i" \1 T+ h3 spearance of pubic hair, normal growth velocity, and
; f$ t# _7 B& i2 i, Ldecreased erections. The father admitted using a testos-! i# ^  G  k5 D  M
terone gel, which he concealed at first visit. He was+ {- K( b4 R. O
using it rather frequently, twice a day. The Physicians’
. y- T; A( }; eDesk Reference, or package insert of this product, gel or+ k# |3 k$ R; k. r
cream, cautions about dermal testosterone transfer to9 h  a& n: K1 ^$ @  o& w
unprotected females through direct skin exposure.2 F1 G4 E, D1 B+ F8 V
Serum testosterone level was found to be 2 times the( s4 T7 q+ e& a
baseline value in those females who were exposed to# [) N% L! z5 @& ]% @
even 15 minutes of direct skin contact with their male  ~9 c( o8 n$ A7 Y9 T- a' t  V, P
partners.6 However, when a shirt covered the applica-# i9 g2 a0 D+ P! X0 T  e. }9 b! {
tion site, this testosterone transfer was prevented.
8 k5 s& U* O7 _Our patient’s testosterone level was 60 ng/mL,$ t  ?$ n- X8 \. ?. P
which was clearly high. Some studies suggest that0 M3 ]. M- F& A5 ~  U/ ~
dermal conversion of testosterone to dihydrotestos-
; K" j4 Z! c! _7 sterone, which is a more potent metabolite, is more% P. W- _0 N. {4 ]: E
active in young children exposed to testosterone
$ ?! W4 h0 x8 f$ B0 m8 w, |exogenously7; however, we did not measure a dihy-
* d# \3 s0 H$ Z# r; \drotestosterone level in our patient. In addition to
! a0 R: [, _) |8 Y8 Y/ lvirilization, exposure to exogenous testosterone in0 W) e4 ]' g& `2 Z0 m& ]% n2 d
children results in an increase in growth velocity and
- T# p4 I; n/ ]' Cadvanced bone age, as seen in our patient." |: c( j) g2 u8 i2 ?
The long-term effect of androgen exposure during# B4 I5 a* g: \6 W! t" w& X
early childhood on pubertal development and final
; b6 c* H1 c' e) wadult height are not fully known and always remain
$ u! z& F" M% l* G( T4 p7 Pa concern. Children treated with short-term testos-
. ~  S# k; N: B/ ^% T. Rterone injection or topical androgen may exhibit some2 b0 ?/ B6 A/ n4 {# v
acceleration of the skeletal maturation; however, after
# C+ `+ A  T" a7 p) S8 Fcessation of treatment, the rate of bone maturation
- M' M% ~% n* ?; @  Zdecelerates and gradually returns to normal.8,9
, u8 _' t' O4 v/ HThere are conflicting reports and controversy
3 q- g# V2 o; P" @over the effect of early androgen exposure on adult: z% i4 s8 i/ D* N( K
penile length.10,11 Some reports suggest subnormal
: ~' I# J: L! K2 y& x( [/ oadult penile length, apparently because of downreg-9 }5 M  g$ c) `* _6 C/ p$ T( @* m, \8 i
ulation of androgen receptor number.10,12 However,9 a* z. S- U: \. H+ H
Sutherland et al13 did not find a correlation between$ z) V4 l! t  J* U: o9 _6 b2 r* {' V
childhood testosterone exposure and reduced adult
: Z) `' ]: R" U6 Y0 Kpenile length in clinical studies.
9 Q; k2 }' }2 b, F6 dNonetheless, we do not believe our patient is4 ]6 |! K' j  q
going to experience any of the untoward effects from
3 ~3 F7 r* a: t5 A1 t- Stestosterone exposure as mentioned earlier because
' W7 b- ^& h0 a0 i% \the exposure was not for a prolonged period of time.1 p  d) `7 I- l. D+ b
Although the bone age was advanced at the time of, r( c* l# J4 W; ^/ Q
diagnosis, the child had a normal growth velocity at
) H1 n7 O" R/ P0 }) M5 qthe follow-up visit. It is hoped that his final adult
. y: N0 ]# I0 V$ Kheight will not be affected.9 |- L+ ?4 ?3 n! y0 v! M! i
Although rarely reported, the widespread avail-
% k# P  h' ~6 x; ]6 Eability of androgen products in our society may: i: q6 b& Q$ M4 s6 |" A
indeed cause more virilization in male or female
0 Y1 }% M# q" X. Y- T9 a7 Xchildren than one would realize. Exposure to andro-  M# l: K5 [& c2 L
gen products must be considered and specific ques-: S. w' a% M5 l5 u( n8 L0 o
tioning about the use of a testosterone product or
( r# @; y( W8 M+ q: Z" ygel should be asked of the family members during
: S# v9 w$ e& `6 p* y  P0 k& rthe evaluation of any children who present with vir-
2 F# _8 W: e, h( silization or peripheral precocious puberty. The diag-1 Z6 N/ b$ q6 W: B, }" r5 |  W
nosis can be established by just a few tests and by: C0 S1 B/ t7 {9 Z1 R" t7 ]
appropriate history. The inability to obtain such a6 i, a$ o2 Y3 j8 Z& A
history, or failure to ask the specific questions, may+ S9 B& d2 {5 `0 z$ d7 z
result in extensive, unnecessary, and expensive
) j& f% H# Y6 h$ j) yinvestigation. The primary care physician should be
3 F; V( W, w& n3 [. r* laware of this fact, because most of these children
( _  @6 K, y* m! l0 o8 W8 c- Q5 Xmay initially present in their practice. The Physicians’' N- ^/ N+ ^0 G  H. W" c+ [+ ^
Desk Reference and package insert should also put a
6 {, h' ^! z. u" S# F2 G- ]" p7 wwarning about the virilizing effect on a male or
! F4 H! U* z4 G. N7 I; q' k' bfemale child who might come in contact with some-: u; A) l8 W( j( w' ]; \: ]
one using any of these products.
% _- j9 h! p& n& fReferences3 A- f4 W1 `; f9 H
1. Styne DM. The testes: disorder of sexual differentiation
; x- f) [% Z  {. X! ]# oand puberty in the male. In: Sperling MA, ed. Pediatric7 e4 V* |) h. Z2 M
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
- h7 _# R" c& U/ O  I2002: 565-628.
; s: q# c" U( V. B  K2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
0 _+ @* B# y/ Qpuberty in children with tumours of the suprasellar pineal
發表於 2025-1-11 22:18:01 | 顯示全部樓層
女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
發表於 2025-1-17 16:31:39 | 顯示全部樓層
4个什么样的?
發表於 2025-1-19 02:41:05 | 顯示全部樓層

5 \5 e+ n% C# z( k  f精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
您需要登錄後才可以回帖 登錄 | 立即注册

本版積分規則


快速回復 返回頂部 返回列表