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Sexual Precocity in a 16-Month-Old
% T+ m6 |3 b6 ?4 F3 O! r# I5 XBoy Induced by Indirect Topical$ n' |+ f/ t# d2 Q4 G
Exposure to Testosterone1 R( e! D3 b7 m' f# ^
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
' W) f# ^- Z& h- W0 F# |; \( u& `and Kenneth R. Rettig, MD1
1 f$ \, U# p8 l7 n% vClinical Pediatrics
6 l2 u' q* i9 b! X9 ], K9 g7 ^Volume 46 Number 6
  m% k7 t9 P2 c* W+ D9 W8 b$ _July 2007 540-543
# n$ `: H$ B# T4 W/ T# E( i- N© 2007 Sage Publications
* y' M; D7 ?+ H9 r0 Z10.1177/0009922806296651
" ~  f* J7 I& c$ z5 E2 dhttp://clp.sagepub.com8 U* |' R! A/ v2 \) t  s
hosted at# @  w+ |9 h5 G3 ]1 r
http://online.sagepub.com" O/ r9 b& W3 R4 m
Precocious puberty in boys, central or peripheral,( _  Q; W$ y1 ^  o8 r  Z7 w
is a significant concern for physicians. Central7 v4 E2 @7 A# }7 l6 C) r5 t! Y. b! `
precocious puberty (CPP), which is mediated* T9 W9 i  r: z. r: M$ p
through the hypothalamic pituitary gonadal axis, has( Y) O1 {/ q# k, _
a higher incidence of organic central nervous system( j3 D: k- @; W, [! l$ r1 x
lesions in boys.1,2 Virilization in boys, as manifested! P- p3 E1 m, N! C2 ~
by enlargement of the penis, development of pubic
2 ]! N) X' {* Z# m, yhair, and facial acne without enlargement of testi-
1 ?. }7 ?# [  ?8 a5 b8 gcles, suggests peripheral or pseudopuberty.1-3 We9 v, I$ j5 T* ]
report a 16-month-old boy who presented with the
9 p- T: p, D# N+ Wenlargement of the phallus and pubic hair develop-
+ ?  X) U8 D8 j" c/ w. ?: kment without testicular enlargement, which was due0 N& g, y' y; g
to the unintentional exposure to androgen gel used by
0 v* q+ t" }) D$ K/ b+ ?, @5 \6 E! e( \the father. The family initially concealed this infor-; w1 N+ X9 C9 f" V5 r+ J
mation, resulting in an extensive work-up for this5 A/ f$ ^% y* J% Y8 m; s3 p8 P) x; J
child. Given the widespread and easy availability of
# z8 }0 ^/ ~8 v) J8 ]8 K/ a# N! k8 ptestosterone gel and cream, we believe this is proba-
0 [1 j) H5 }* k8 x1 g& jbly more common than the rare case report in the8 L5 `% [- U- S# C4 u) R
literature.4
' T7 d4 U( ]3 Q& ?$ lPatient Report! x& e. d+ q+ {
A 16-month-old white child was referred to the
; P8 [& ]6 E6 {3 q9 Tendocrine clinic by his pediatrician with the concern# M" ~7 V$ {, h" c; G" h
of early sexual development. His mother noticed" q% q' D8 ^' h4 J
light colored pubic hair development when he was
) T/ W4 z& ~2 D$ M8 t( t' l/ KFrom the 1Division of Pediatric Endocrinology, 2University of2 u' Y' G  r+ t; ?0 F
South Alabama Medical Center, Mobile, Alabama.8 @" R7 m: x+ _5 [
Address correspondence to: Samar K. Bhowmick, MD, FACE,
5 M& Z) d" ^% @' t1 zProfessor of Pediatrics, University of South Alabama, College of8 }. Y- |' v7 p' K, j9 z
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;% P7 s0 z$ t% E: I
e-mail: [email protected].* r# @6 V3 o" g. _
about 6 to 7 months old, which progressively became
1 h- l4 ^" N$ e) J# wdarker. She was also concerned about the enlarge-9 h( C: f2 [" y
ment of his penis and frequent erections. The child; r  J- G9 W- n% y) N9 U
was the product of a full-term normal delivery, with
" g$ U% F' g. O- Ja birth weight of 7 lb 14 oz, and birth length of. t, J' V& x  c- R. R! J0 H
20 inches. He was breast-fed throughout the first year: ]$ y; Y+ S$ b) y0 T
of life and was still receiving breast milk along with  Q1 _! s! w/ k' s5 {# @
solid food. He had no hospitalizations or surgery,
8 ~4 ?' r2 k  T7 {2 ]( aand his psychosocial and psychomotor development$ g' P7 ~- T2 k, y
was age appropriate.$ ^/ W, d; B8 m9 _
The family history was remarkable for the father,
; a7 z) ]( D: z$ Q- y: e# I5 owho was diagnosed with hypothyroidism at age 16,$ h: _- b$ \9 O' t0 t2 ]5 g
which was treated with thyroxine. The father’s
( o9 o; g+ K7 N6 F; J4 T# sheight was 6 feet, and he went through a somewhat7 e! N3 F9 f- Q9 l. |
early puberty and had stopped growing by age 14.
2 P0 k4 F- P# q3 X0 gThe father denied taking any other medication. The: ?& B/ O( J1 z: f& N
child’s mother was in good health. Her menarche
1 ?, x' Q5 `# V- N0 Y, Z6 A9 x/ ]was at 11 years of age, and her height was at 5 feet9 Y  I3 m: c$ s: g; c: F
5 inches. There was no other family history of pre-% T* o# _- m8 b  m. j
cocious sexual development in the first-degree rela-6 r9 k$ ]8 S1 d. t: S/ H* k
tives. There were no siblings.
3 V8 y( O! G, u) j. E7 n5 s6 `Physical Examination4 l( R( `, U( R4 R! f) X
The physical examination revealed a very active,
- l( N7 U& U9 z0 E. bplayful, and healthy boy. The vital signs documented
  h+ [, \+ A3 j% F0 p) a& Ua blood pressure of 85/50 mm Hg, his length was' Q% a5 z2 X) w" ]' P7 t; A' p) f) Q
90 cm (>97th percentile), and his weight was 14.4 kg, t- l% ]8 O, X9 U
(also >97th percentile). The observed yearly growth
# y% ~8 O9 B, R5 \( F- Svelocity was 30 cm (12 inches). The examination of* C0 l& G. p5 {1 o* r! u, N! ]
the neck revealed no thyroid enlargement.
! ]9 c8 r# o: \( F6 I2 ~) vThe genitourinary examination was remarkable for
+ z7 g- p* f( Fenlargement of the penis, with a stretched length of
; K& U: s9 C( I$ [3 H6 J; @8 cm and a width of 2 cm. The glans penis was very well
( h/ g. u4 `7 m  tdeveloped. The pubic hair was Tanner II, mostly around
& s. L" ?& _! `4 T9 B' J) K5400 S) ^+ l5 Z, H3 d8 ?
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
0 ^8 R+ E3 z& }the base of the phallus and was dark and curled. The* k+ B" m0 J7 F. L
testicular volume was prepubertal at 2 mL each.- K, C7 L" y. w* p6 [/ f- C! J
The skin was moist and smooth and somewhat
% K3 |$ x( F4 P: Loily. No axillary hair was noted. There were no! H/ I$ s; O3 [  k- i# T
abnormal skin pigmentations or café-au-lait spots.
# C5 v7 J2 K! o4 w, q) VNeurologic evaluation showed deep tendon reflex 2+( U- F3 b! W9 O
bilateral and symmetrical. There was no suggestion
% O# R4 c) o! X1 z7 P9 Yof papilledema.
' p$ F5 k) e% y) m) y* X) K0 q; Z1 oLaboratory Evaluation
( t* ^2 I. u& s2 j( oThe bone age was consistent with 28 months by
* t# a; N" T( p  h" s! N( Zusing the standard of Greulich and Pyle at a chrono-2 x: y+ J$ R/ {. }- u1 |
logic age of 16 months (advanced).5 Chromosomal
0 u6 b4 V6 W% ckaryotype was 46XY. The thyroid function test
$ U- r6 O3 p0 P9 A0 B+ n1 |* Hshowed a free T4 of 1.69 ng/dL, and thyroid stimu-
) o7 P' T" c$ J% Q/ Ylating hormone level was 1.3 µIU/mL (both normal).! Q) A( m, B2 a8 }0 P3 {) i
The concentrations of serum electrolytes, blood" B- u: d1 o, P: J4 m* Z
urea nitrogen, creatinine, and calcium all were
  A7 L# U  f1 Z" n; Qwithin normal range for his age. The concentration
& D8 d1 U% @# y9 Rof serum 17-hydroxyprogesterone was 16 ng/dL% @2 j& ^. z) k6 \" U
(normal, 3 to 90 ng/dL), androstenedione was 205 u8 `' v7 ]" h$ H2 m
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
! d7 V" m6 \( {  @/ P: Mterone was 38 ng/dL (normal, 50 to 760 ng/dL),
$ k  W( p* p: y6 Y3 Tdesoxycorticosterone was 4.3 ng/dL (normal, 7 to; V5 x+ Y  [7 }2 ]- j
49ng/dL), 11-desoxycortisol (specific compound S)+ {7 H) y+ C2 M1 P% B
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-. s; R( ^+ e8 `& P+ G- _  {3 t/ z+ l
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total& i3 a5 r( O1 ]3 @
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),  N1 {7 k' z, z% m" t; o
and β-human chorionic gonadotropin was less than: b4 P7 d  o: o
5 mIU/mL (normal <5 mIU/mL). Serum follicular1 v! _8 D% L6 ^1 M% v! c
stimulating hormone and leuteinizing hormone* }4 R( n* j0 |5 D1 u
concentrations were less than 0.05 mIU/mL4 }6 X- j9 _$ m1 M9 X$ Z
(prepubertal).
" ^" Y- T) w/ M* S; }0 n1 |; uThe parents were notified about the laboratory/ H6 L, @& ^: O, g% g# n
results and were informed that all of the tests were' N% x6 T9 R3 }; S9 h
normal except the testosterone level was high. The
. z; h0 P  z/ n4 n- I% H- Dfollow-up visit was arranged within a few weeks to! @9 I1 E* u& h3 R; S9 s
obtain testicular and abdominal sonograms; how-
2 @  Y) @* e5 Y, i( v8 F5 c7 ]ever, the family did not return for 4 months.. w6 `) `5 J& v: E4 m
Physical examination at this time revealed that the
, P+ Q* i3 {5 _$ p3 I( _8 f+ ~child had grown 2.5 cm in 4 months and had gained
( z3 A# |/ K3 _* d2 kg of weight. Physical examination remained
! y0 x2 I7 O6 K# \unchanged. Surprisingly, the pubic hair almost com-+ `8 b# t, L. B+ A) {" I
pletely disappeared except for a few vellous hairs at
! j8 \, C: j, Q: J& p  Nthe base of the phallus. Testicular volume was still 23 i, f. z3 h. I* s% E/ p* v' x
mL, and the size of the penis remained unchanged.- P; Q3 }5 x5 Q& E; V+ ~2 L
The mother also said that the boy was no longer hav-
8 p. z2 T/ E7 c" c1 sing frequent erections.* p6 }+ y* I& e2 s
Both parents were again questioned about use of: ?$ p) H9 j: p( E0 s$ K
any ointment/creams that they may have applied to( X5 B1 h) }" k6 ?
the child’s skin. This time the father admitted the% u# b9 \: m5 `; x* M" H1 i' G
Topical Testosterone Exposure / Bhowmick et al 541" n/ D# ~, M4 T' }& D
use of testosterone gel twice daily that he was apply-/ D# F! h2 }* }) T5 P( m& h# E8 k6 n, ^' A
ing over his own shoulders, chest, and back area for! x; e% s8 o% Q& q9 j
a year. The father also revealed he was embarrassed* \% N$ t  D( j/ |$ R( c6 h! A
to disclose that he was using a testosterone gel pre-
- M9 D5 o& r& K4 ?scribed by his family physician for decreased libido
2 o" z5 i& w" Gsecondary to depression.: G6 k7 d- y2 f! A  F
The child slept in the same bed with parents.; {  K/ |. n/ e$ u" Z
The father would hug the baby and hold him on his( O! F  I5 b, r% _) D6 N: }! R
chest for a considerable period of time, causing sig-3 T- V5 `* E8 J' W% {' ]0 z2 [! }( S1 f) y
nificant bare skin contact between baby and father.
1 t  t8 F5 J0 m8 _$ QThe father also admitted that after the phone call,& K) Z8 a' T( b
when he learned the testosterone level in the baby
5 {7 Y5 Z2 c9 ewas high, he then read the product information
2 w) v- S9 s1 X+ r. zpacket and concluded that it was most likely the rea-+ b& S% {9 B) `4 Y# e6 h$ \: n
son for the child’s virilization. At that time, they& v4 H7 H$ ^% ^& \' E- L2 c" {8 [7 Q
decided to put the baby in a separate bed, and the+ }" x: j2 W) D# R& w. w& Y* m
father was not hugging him with bare skin and had' Y. U4 V( T4 l: P0 \: C% M
been using protective clothing. A repeat testosterone
4 r# S7 R8 G' R- y8 itest was ordered, but the family did not go to the
$ \3 h  J) m7 V( u) x+ S3 F: plaboratory to obtain the test.- S. E. c/ Q5 z7 ?/ j
Discussion
- Z9 N. x8 z6 ~8 D. ^, bPrecocious puberty in boys is defined as secondary
& O5 C' \8 S- ~4 m$ Csexual development before 9 years of age.1,45 @$ ], Y1 H1 T2 g9 f
Precocious puberty is termed as central (true) when
1 V7 r2 a, B. n5 e4 x" ~0 pit is caused by the premature activation of hypo-
7 ~6 Y' F3 Z0 `6 i& H: [thalamic pituitary gonadal axis. CPP is more com-# U* f& P0 i$ L& y: `$ t
mon in girls than in boys.1,3 Most boys with CPP7 w/ }9 M9 S' d) O
may have a central nervous system lesion that is( Z1 ?+ k9 ^/ {- g3 {
responsible for the early activation of the hypothal-1 t8 O) p( w6 @( `- g4 V+ y
amic pituitary gonadal axis.1-3 Thus, greater empha-
' h: v3 K7 v% y, Wsis has been given to neuroradiologic imaging in
6 n- A7 ~! g, b6 P& U. S- T3 k, yboys with precocious puberty. In addition to viril-0 K# p4 |* G1 d% w
ization, the clinical hallmark of CPP is the symmet-
- }3 j  q7 a) e8 ~: a* wrical testicular growth secondary to stimulation by0 |  K5 R) b5 X& x
gonadotropins.1,35 ^- S( c* w# i$ d! \& Q: P
Gonadotropin-independent peripheral preco-
7 l- H7 w8 l' U' k/ o) R% C0 qcious puberty in boys also results from inappropriate
6 t  e. E/ N7 y1 f, z1 r) }androgenic stimulation from either endogenous or( v/ [: ?0 _0 i& c
exogenous sources, nonpituitary gonadotropin stim-$ o2 Q: n* q5 P- D
ulation, and rare activating mutations.3 Virilizing' y2 ]4 T6 Y! D; j* D% Q! r: s
congenital adrenal hyperplasia producing excessive1 A) i2 H# Z# [( c* B' D9 h/ A
adrenal androgens is a common cause of precocious, E6 H$ M9 `0 Q+ B  V7 }
puberty in boys.3,4
6 e' a  l3 I- ^4 bThe most common form of congenital adrenal4 _- c# E+ n' }4 P
hyperplasia is the 21-hydroxylase enzyme deficiency.
' u( k4 f) G2 |: |! R9 A6 _7 w! \The 11-β hydroxylase deficiency may also result in! F3 b  X3 X- V5 u! V2 z
excessive adrenal androgen production, and rarely,2 y* l: t6 S/ f8 W
an adrenal tumor may also cause adrenal androgen# ?$ a: A$ t6 b
excess.1,3
( c  T4 X. G. {2 M* `at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
& b2 c) E& b5 o) P: }9 o542 Clinical Pediatrics / Vol. 46, No. 6, July 2007* j% }0 }& v: C! I. y9 {
A unique entity of male-limited gonadotropin-
1 i3 G4 m1 F' Sindependent precocious puberty, which is also known
9 P: ~1 o  a8 L0 m5 R+ X, Z$ l. Bas testotoxicosis, may cause precocious puberty at a
5 \1 i. f2 n& n. \5 U) Z' g& \very young age. The physical findings in these boys, S; }; q2 C" k4 [  _0 r. T
with this disorder are full pubertal development,
; e, {* Q' S8 t( v8 W* qincluding bilateral testicular growth, similar to boys1 r8 ]# K2 d# s+ E' W/ N
with CPP. The gonadotropin levels in this disorder
: F( s, n7 n2 u: c: G5 K" ~! Pare suppressed to prepubertal levels and do not show
) b( f% S* [, g, L! o) npubertal response of gonadotropin after gonadotropin-( c7 {# `3 o0 i, J/ @! q( d$ P
releasing hormone stimulation. This is a sex-linked- Q& \9 @' I7 }; n3 C' s
autosomal dominant disorder that affects only
' y" O3 o: T3 v0 Q0 ^2 ^males; therefore, other male members of the family
$ L+ i7 g$ d$ d2 `3 fmay have similar precocious puberty.3
; w8 r( D4 A3 y( B; e' b& VIn our patient, physical examination was incon-
0 N: N8 w) H  B" f1 M6 s6 osistent with true precocious puberty since his testi-$ i' Y! W2 b  G( z" f- i8 x
cles were prepubertal in size. However, testotoxicosis
7 z6 P4 r0 [1 |- x! z+ {& E  `was in the differential diagnosis because his father
, R) D' ~+ a3 c& \# T; C# Cstarted puberty somewhat early, and occasionally,
! r* o" _" a& Z) d- S: ytesticular enlargement is not that evident in the# j2 ^$ N2 ]8 }3 C' p
beginning of this process.1 In the absence of a neg-  O. s: M. W' z/ h" I
ative initial history of androgen exposure, our
( R1 O. w9 O& f: p+ mbiggest concern was virilizing adrenal hyperplasia,
! G. R7 R* v- m& V! z+ Feither 21-hydroxylase deficiency or 11-β hydroxylase3 m% X  A4 L$ u4 f
deficiency. Those diagnoses were excluded by find-
* c$ B0 a( D2 d; {. e, G  oing the normal level of adrenal steroids.; j0 x  n* r+ ~3 P
The diagnosis of exogenous androgens was strongly3 X1 v  J& g( m4 }7 _4 l& W6 f
suspected in a follow-up visit after 4 months because; s8 u$ s* `, {# w+ ^( o4 r3 D
the physical examination revealed the complete disap-
9 B& S! D. `2 D3 Lpearance of pubic hair, normal growth velocity, and
8 O! b& X" C" b% i* Q- A2 J2 |decreased erections. The father admitted using a testos-
' S( c0 L4 t* @& Hterone gel, which he concealed at first visit. He was5 v8 v. ?1 v" S8 D. K& {. }
using it rather frequently, twice a day. The Physicians’1 W. V) k7 C! z
Desk Reference, or package insert of this product, gel or$ ]; r( V& \$ Z; c0 F
cream, cautions about dermal testosterone transfer to; X' Q; P1 M8 R/ d% N; N
unprotected females through direct skin exposure.) l+ E% @0 R9 [4 F) a
Serum testosterone level was found to be 2 times the! K1 T6 r5 F+ p! l, M* Y
baseline value in those females who were exposed to5 v# u/ x$ |# e" ~  H: p
even 15 minutes of direct skin contact with their male
; p& f- S& l3 ^5 Z( j1 }) F' cpartners.6 However, when a shirt covered the applica-, [! ^, ?" S1 w% b7 ?; a
tion site, this testosterone transfer was prevented.# R9 I9 {+ p3 }# @: \' M7 C2 ?1 a% @
Our patient’s testosterone level was 60 ng/mL,: z$ ^4 k* @% \8 A* s% p" x1 D* h
which was clearly high. Some studies suggest that
: {1 J% [8 z3 O! K2 @. A/ Ldermal conversion of testosterone to dihydrotestos-3 W" L. B- Z8 o/ N
terone, which is a more potent metabolite, is more3 @0 W. \3 A5 J8 A  i& H3 i. C0 F6 ^
active in young children exposed to testosterone
$ L  ^2 o" A. e9 texogenously7; however, we did not measure a dihy-& `( u8 j5 W+ e( T
drotestosterone level in our patient. In addition to1 s+ Y( G: ]  [0 z4 n3 Q& V
virilization, exposure to exogenous testosterone in: N. [# E; H" t5 L
children results in an increase in growth velocity and
& E' `3 c2 C5 C/ U) i: X5 dadvanced bone age, as seen in our patient.0 o' B. k, w$ b9 g$ B8 l" f
The long-term effect of androgen exposure during+ D4 i* c8 [  e& x" v
early childhood on pubertal development and final9 D3 R+ B8 V; v0 x& v, W4 q2 ^& e
adult height are not fully known and always remain
9 B+ L+ i. n  [* ^; H% i2 B. Ba concern. Children treated with short-term testos-
9 w6 U& G8 Z4 sterone injection or topical androgen may exhibit some3 i( _- q5 u1 @, |% z, J  }
acceleration of the skeletal maturation; however, after
' f& O5 @# _, m2 Vcessation of treatment, the rate of bone maturation
8 G* N8 A. O3 ?4 Edecelerates and gradually returns to normal.8,9
: ^% p2 s  `& O* j4 a) a& ?There are conflicting reports and controversy+ E! _& V/ [( C! m. Q: z
over the effect of early androgen exposure on adult( w* u3 o$ r: K. T; L& `0 Q" I
penile length.10,11 Some reports suggest subnormal
5 E1 R, ^) e0 b' U) i0 kadult penile length, apparently because of downreg-
: `) D3 r, [4 i% W$ ]4 r* |0 \. Kulation of androgen receptor number.10,12 However,
# p& |. y$ w' C& N$ A* m/ dSutherland et al13 did not find a correlation between
' v& M, Y8 @; d* uchildhood testosterone exposure and reduced adult
! @8 D. j4 G) C' @$ [. S- c: Npenile length in clinical studies.) e  A8 a  W/ i# A8 ?  u; i
Nonetheless, we do not believe our patient is
: T/ u) e4 c7 @* q; j! Zgoing to experience any of the untoward effects from
/ R. G+ c8 I$ e$ Htestosterone exposure as mentioned earlier because- W  M( M5 L/ R5 r2 t
the exposure was not for a prolonged period of time.3 Z0 g2 d+ k0 Q
Although the bone age was advanced at the time of
& t. @* X0 w0 K' d5 R5 ^diagnosis, the child had a normal growth velocity at# d" {* H$ \7 A- A4 w( K$ H
the follow-up visit. It is hoped that his final adult
$ p, v( S" G3 f/ j9 `  z# a( Qheight will not be affected.
7 ^" n3 t1 E& y1 A& i1 Q7 l5 K; JAlthough rarely reported, the widespread avail-
, [/ {% x; q1 o. J4 V! tability of androgen products in our society may. E$ h& t& Z; y6 }7 B( T8 G
indeed cause more virilization in male or female1 B* G/ X& l. A( r9 N& s" |
children than one would realize. Exposure to andro-
" F' S) }" {6 Q( P. fgen products must be considered and specific ques-6 d; S" R+ X. d- r3 ?8 B( h
tioning about the use of a testosterone product or% {. i4 e! \$ j8 r/ S  U. u; c: A4 J
gel should be asked of the family members during
3 c+ F! {+ l3 A/ ?0 a/ ]the evaluation of any children who present with vir-
2 t, Z6 n9 _. q+ bilization or peripheral precocious puberty. The diag-
; Y" C( l9 A- t- \6 `: V0 k% T( [nosis can be established by just a few tests and by
0 @$ k. P+ |( C9 N/ aappropriate history. The inability to obtain such a
0 [* K  }6 }9 Yhistory, or failure to ask the specific questions, may
% S! J+ L3 P9 a0 j( Yresult in extensive, unnecessary, and expensive
3 Q8 {$ S' `" z- Iinvestigation. The primary care physician should be7 a( j, d3 a* w" k2 x  _% r8 Y
aware of this fact, because most of these children) V8 }% e& `1 k/ x0 S
may initially present in their practice. The Physicians’
! u& y1 J& T5 ^( ]Desk Reference and package insert should also put a6 n5 e7 I* K8 Q& Q
warning about the virilizing effect on a male or% a; L# @" f5 S* O( J
female child who might come in contact with some-
/ k& O% a4 T% f: [9 s7 hone using any of these products.
- ~' u* G% v! X( tReferences
$ P& D) k4 }) d8 l& m1. Styne DM. The testes: disorder of sexual differentiation
4 l8 I# m6 O; f/ Dand puberty in the male. In: Sperling MA, ed. Pediatric6 N: V+ g! R1 W9 f! u$ A6 c2 V# |
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
: C: |, s4 f: Q9 i& C2 r/ ~+ B' [2002: 565-628.
7 Q( {8 m6 v6 ]' N; L6 x3 v2 \2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious4 E/ H  [, U' P7 h
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
% u  }/ D( ^" ?- XBoy Induced by Indirect Topical" g2 C* G8 ?9 ^/ O
Exposure to Testosterone/ F- [$ k, H5 m5 s, q
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2" m/ a% s8 f6 y; L; E
and Kenneth R. Rettig, MD1/ q3 |# T! h: F5 G! k8 J& O5 U
Clinical Pediatrics, @8 Z" y! g# r4 M# c" y) N2 R* `( d
Volume 46 Number 6
( w, M+ e) `' t* dJuly 2007 540-5439 w- _! z0 ]8 v- ^1 }1 Q; y: B
© 2007 Sage Publications6 a0 ?+ T- p* Y! U$ H
10.1177/0009922806296651
% \% R, y2 L; M" V: C9 Vhttp://clp.sagepub.com& P( o% _; |/ U4 q# r
hosted at3 Z# U1 N& M* z; W3 o; H( g
http://online.sagepub.com
; w" ~( T- j4 U# U4 d0 Q% wPrecocious puberty in boys, central or peripheral,# i! {- h2 N, {
is a significant concern for physicians. Central( H) j. m' \( _  B8 r
precocious puberty (CPP), which is mediated3 X! i# [  V7 d5 o  z' D
through the hypothalamic pituitary gonadal axis, has
& X% N: k2 r+ z( X+ m  }# Ia higher incidence of organic central nervous system) x! I  s2 ~, P" N% S% y: z
lesions in boys.1,2 Virilization in boys, as manifested5 O/ y7 A  \9 a
by enlargement of the penis, development of pubic
/ G3 B2 `2 T( Y9 f8 Whair, and facial acne without enlargement of testi-5 i1 k, f" `: f7 `* t4 ~" o
cles, suggests peripheral or pseudopuberty.1-3 We) c2 f* l+ G8 H' [2 B9 I
report a 16-month-old boy who presented with the
1 A  l1 `% Y9 W4 \enlargement of the phallus and pubic hair develop-2 K! L, e( l. u
ment without testicular enlargement, which was due% V; O4 [7 q' _2 m! v  ?, |6 z
to the unintentional exposure to androgen gel used by
+ U* Q$ m. [$ S% B" Z3 kthe father. The family initially concealed this infor-
. @. T/ ?/ l) D( l8 Jmation, resulting in an extensive work-up for this
3 L1 Z0 G/ i( f2 k1 u" Z  uchild. Given the widespread and easy availability of
0 A- t; i) }( w2 Y5 O" z: |6 P) _testosterone gel and cream, we believe this is proba-
" o9 ]$ I0 }- f& \+ A: Qbly more common than the rare case report in the
+ H+ |/ V# U! a# `- {literature.4
* b! u$ f- t6 l" H; i) {Patient Report( ~& k* t. Y+ \
A 16-month-old white child was referred to the
6 o2 S+ a5 i( H& }endocrine clinic by his pediatrician with the concern2 \$ s5 |/ c: e; g" J% F3 g" K
of early sexual development. His mother noticed# _" I4 K. W) a3 G) }3 z
light colored pubic hair development when he was
) l) X- B9 k3 w. |/ k  S# ^From the 1Division of Pediatric Endocrinology, 2University of# _$ ~$ U# V/ W4 i) \
South Alabama Medical Center, Mobile, Alabama.( E( L% c7 g& e  |8 ~5 M3 k
Address correspondence to: Samar K. Bhowmick, MD, FACE,
+ h/ l# g! \. N3 x* W, o, mProfessor of Pediatrics, University of South Alabama, College of
4 |& [: V0 g- ^) r: m4 ]Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;- y! @8 e4 F1 U, d  M
e-mail: [email protected]./ k% k1 X9 \7 L# l( _4 \+ }3 u
about 6 to 7 months old, which progressively became: r& o4 f+ Q1 a8 U8 F
darker. She was also concerned about the enlarge-& r- M' |( c8 {7 K+ y/ Q
ment of his penis and frequent erections. The child
: B( }5 K6 i+ _& pwas the product of a full-term normal delivery, with0 ^$ n4 T% c6 B0 p1 k" [1 C1 l
a birth weight of 7 lb 14 oz, and birth length of
" s$ @5 {! D9 n3 f* H20 inches. He was breast-fed throughout the first year1 s! P1 v* p: t
of life and was still receiving breast milk along with1 Z5 T4 E$ t3 i
solid food. He had no hospitalizations or surgery,6 D4 k# P6 Q7 a* z1 [( S2 U4 r5 ~
and his psychosocial and psychomotor development
3 E! `' B  ~* {6 v) I4 nwas age appropriate.. Y  n9 [1 g9 t
The family history was remarkable for the father,& B4 _+ r, w& e+ ~1 `1 N: a
who was diagnosed with hypothyroidism at age 16,) g* L: k' g; S# u
which was treated with thyroxine. The father’s8 T+ v+ V# O! ], H4 z9 |8 E3 T
height was 6 feet, and he went through a somewhat
+ I! `( ?* N* T7 Nearly puberty and had stopped growing by age 14.3 u! c2 B1 H3 i+ c8 B) K
The father denied taking any other medication. The
9 X9 _; G; G) j! Schild’s mother was in good health. Her menarche
- V! n. a0 W( L7 |5 Pwas at 11 years of age, and her height was at 5 feet
  U' q6 a- D3 Q4 }# j( G) N5 inches. There was no other family history of pre-
# [0 n, q9 i/ V5 V& B6 [' h% ?cocious sexual development in the first-degree rela-* `5 \+ f# M$ x/ @  r
tives. There were no siblings.+ h, H7 b9 f. i/ \7 Z) K
Physical Examination
0 X; D) F8 h0 A2 r4 {: fThe physical examination revealed a very active,: f4 G' R" Q( O
playful, and healthy boy. The vital signs documented
2 c( F2 c! u% J. a9 m6 ^4 F$ }a blood pressure of 85/50 mm Hg, his length was
5 S( ~, `$ [( ?  B90 cm (>97th percentile), and his weight was 14.4 kg
2 |6 f; M8 O; G5 l; o  a* `# F  n* z(also >97th percentile). The observed yearly growth
1 l/ A" v9 v! f- Q5 j: ~4 T) F2 E# _' avelocity was 30 cm (12 inches). The examination of
$ P2 S* c& U4 L4 Sthe neck revealed no thyroid enlargement.1 x- {5 F5 `+ H) x$ Y5 E
The genitourinary examination was remarkable for. d( v& w$ _) Q: W. L
enlargement of the penis, with a stretched length of
4 i: v% s8 c$ q6 c' d% t8 cm and a width of 2 cm. The glans penis was very well
* b" G+ ]5 c/ }$ B, Gdeveloped. The pubic hair was Tanner II, mostly around4 r) h) _9 _+ ~# C5 @" H
540- j9 |8 \1 a7 Q7 R! W& g% R
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from4 l; y9 e2 e3 t! @7 S
the base of the phallus and was dark and curled. The7 u( W: e1 h3 w* E- j
testicular volume was prepubertal at 2 mL each.) J; [" h. S6 P' u9 ~' y
The skin was moist and smooth and somewhat
( `7 [- D3 x( l1 \, W; Moily. No axillary hair was noted. There were no
( r* A; k2 ?3 Y1 q4 U3 fabnormal skin pigmentations or café-au-lait spots.
8 ?2 n% ^" Q. ]) INeurologic evaluation showed deep tendon reflex 2+$ o0 o) D- ~' j, Q
bilateral and symmetrical. There was no suggestion
+ Z& w: r& \- r/ E- S$ ?! v4 tof papilledema.3 _2 ?5 t. l  ]1 G: D
Laboratory Evaluation9 ^1 s, }0 w: [0 H: g9 g
The bone age was consistent with 28 months by9 ]$ q2 r  i! _, v/ q* R' r) J/ u
using the standard of Greulich and Pyle at a chrono-2 b% t  ?4 e% A4 r8 \( ?1 V
logic age of 16 months (advanced).5 Chromosomal# z$ w1 P0 ~; }: Q6 E
karyotype was 46XY. The thyroid function test: b$ m3 P9 N0 t
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
& J3 s8 `* B- A3 i1 ^lating hormone level was 1.3 µIU/mL (both normal).
: T5 J( _1 p, f. j: eThe concentrations of serum electrolytes, blood
! c1 V$ z( g0 N: o9 m9 z$ Lurea nitrogen, creatinine, and calcium all were
3 w& K) p. b+ e2 }3 pwithin normal range for his age. The concentration
8 j& N3 e+ h- {5 |  t$ C; nof serum 17-hydroxyprogesterone was 16 ng/dL8 Q% F: l0 i' V$ f
(normal, 3 to 90 ng/dL), androstenedione was 20
; S! c( U( i, @4 a. png/dL (normal, 18 to 80 ng/dL), dehydroepiandros-1 u: m3 ]. ?; z7 u) H* p/ I
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
  Q1 G! R* z6 l! h0 g8 j; X) _desoxycorticosterone was 4.3 ng/dL (normal, 7 to( x% L. {5 N+ L' @/ n" J( ]
49ng/dL), 11-desoxycortisol (specific compound S)
1 R. @9 s5 i+ V! vwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
6 I  I; {* O6 dtisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
8 Q3 U/ C6 G' [' y& K2 Q3 Ttestosterone was 60 ng/dL (normal <3 to 10 ng/dL),; m7 O. J$ F0 g
and β-human chorionic gonadotropin was less than
1 \0 e5 |7 v# R# ?: S& y5 mIU/mL (normal <5 mIU/mL). Serum follicular
( P4 A2 x% `5 a. Ostimulating hormone and leuteinizing hormone! ~7 P, [; x4 e6 V( P# ?! H! E
concentrations were less than 0.05 mIU/mL, h; S( r) V. d% L( m+ N
(prepubertal).; e, Y- M7 j3 y! r# p3 a- i" n+ S
The parents were notified about the laboratory& \* i+ G4 R' b) ~
results and were informed that all of the tests were
) K* W" l* }0 e# |* |normal except the testosterone level was high. The
/ k! f" p1 r- `' a  k: ^4 O* Efollow-up visit was arranged within a few weeks to
8 `7 t* ~7 |# |) }) Fobtain testicular and abdominal sonograms; how-: _0 s' H, G/ g
ever, the family did not return for 4 months.2 _4 ]) d' K7 ~/ }0 P7 q9 s
Physical examination at this time revealed that the
9 `8 }6 u4 j1 [  T4 B8 fchild had grown 2.5 cm in 4 months and had gained
' z( F1 u7 Z# b* U( y; P2 kg of weight. Physical examination remained2 ]' D* M0 \* W+ _, ^
unchanged. Surprisingly, the pubic hair almost com-
# U& L3 k7 A, {- H5 R  h' v1 u+ T" W/ ^pletely disappeared except for a few vellous hairs at  X3 x5 N  O& w  a& R
the base of the phallus. Testicular volume was still 2
/ R1 u; X# r) t0 L/ OmL, and the size of the penis remained unchanged.3 M" {! F: ?3 r
The mother also said that the boy was no longer hav-- e7 X9 D, N6 g2 l
ing frequent erections.
1 S, m( y3 G+ e: X7 u; ?Both parents were again questioned about use of
8 y5 b- d" S; q- V$ Uany ointment/creams that they may have applied to, Z! U1 W& K! H6 o1 ]7 C. U. l
the child’s skin. This time the father admitted the4 A7 y) v, S! m/ M4 J
Topical Testosterone Exposure / Bhowmick et al 541
9 v+ w7 W$ [6 K1 v# Q( _& `use of testosterone gel twice daily that he was apply-" w/ _# r5 U, @* x( [$ x
ing over his own shoulders, chest, and back area for
5 G5 u+ v9 y' Y/ ?8 g5 D# n7 oa year. The father also revealed he was embarrassed: a7 r% K7 \8 ]* p1 Q
to disclose that he was using a testosterone gel pre-
- r' E/ n: Z/ ]9 `& |$ a0 Q* Y4 wscribed by his family physician for decreased libido! z6 _5 s0 v  {
secondary to depression.
4 `/ [0 L/ ?- u7 _The child slept in the same bed with parents.
1 _3 R( ]7 R0 A3 oThe father would hug the baby and hold him on his9 v  }8 X0 e" J! u- R
chest for a considerable period of time, causing sig-0 H  Q% ~! e& y7 |
nificant bare skin contact between baby and father.
( Z+ s. Z; L3 f. aThe father also admitted that after the phone call,
) z# k0 c6 A, \/ i! z. Awhen he learned the testosterone level in the baby. q3 {+ I) W. G- X
was high, he then read the product information9 S5 O  v% x7 X% A: P
packet and concluded that it was most likely the rea-! z1 {0 @5 `# h& h$ c2 S* I& f
son for the child’s virilization. At that time, they
; X4 y  w4 B  ?  N1 Qdecided to put the baby in a separate bed, and the& S9 t$ p1 H9 ?$ Z5 P
father was not hugging him with bare skin and had: _! l! p( T/ P& k, p
been using protective clothing. A repeat testosterone& u. V, Q# I' c" E. H
test was ordered, but the family did not go to the
' t  p8 A5 X- L7 Z" Nlaboratory to obtain the test.
0 `8 P. c. ?3 n6 N. TDiscussion
7 t$ g3 _6 V& r& S0 }Precocious puberty in boys is defined as secondary
2 X3 Y( E4 |; V$ \sexual development before 9 years of age.1,4
6 F/ m: s% Z* x* MPrecocious puberty is termed as central (true) when
' `3 \$ n9 U* ?0 F1 _, i+ i8 dit is caused by the premature activation of hypo-
  b7 W. C. k8 H! P6 f8 Q# a; V1 }0 K5 ~thalamic pituitary gonadal axis. CPP is more com-
- I/ C8 Q( s; ~( V( [2 i- i: rmon in girls than in boys.1,3 Most boys with CPP
) {! {  p. u; o/ b( Zmay have a central nervous system lesion that is- k6 r) X$ O6 l! q9 z$ Q& j
responsible for the early activation of the hypothal-
% v4 w8 P. F0 U2 b. z7 iamic pituitary gonadal axis.1-3 Thus, greater empha-
) E3 e! k) E" F* m. Nsis has been given to neuroradiologic imaging in  W4 L9 A0 {4 N& l1 S
boys with precocious puberty. In addition to viril-
8 _8 K& a. b0 j. z+ rization, the clinical hallmark of CPP is the symmet-
$ ]. w' H# x; {, j( {rical testicular growth secondary to stimulation by: x5 l! ~0 j. r) E
gonadotropins.1,3
/ j; J8 T+ E4 m: ^, _Gonadotropin-independent peripheral preco-
  ^+ c" E3 r* N' {9 M" vcious puberty in boys also results from inappropriate
' f& P0 N' c$ s7 tandrogenic stimulation from either endogenous or
3 o; c) e% f6 W4 U1 qexogenous sources, nonpituitary gonadotropin stim-. O. V" e" M# m0 s& l/ m$ ]" \6 |3 {
ulation, and rare activating mutations.3 Virilizing  k% a( o0 L6 B5 J& R
congenital adrenal hyperplasia producing excessive8 s9 F9 }6 ?0 Z. H* k& K. F1 a
adrenal androgens is a common cause of precocious
( J/ n# u7 {* i# M9 s8 {puberty in boys.3,43 n7 G, y* X% o& p0 v3 h. D+ e0 u+ S1 ^
The most common form of congenital adrenal
( e7 b1 b& m2 U& ?% h' x1 ?hyperplasia is the 21-hydroxylase enzyme deficiency.& E3 L& ]( k: L( c9 t5 V
The 11-β hydroxylase deficiency may also result in
1 |, m. m8 I0 Q2 mexcessive adrenal androgen production, and rarely,
0 B+ d1 m0 q+ y" z% L+ }an adrenal tumor may also cause adrenal androgen
3 O) B3 U9 `6 N* ?1 ]+ m7 N  zexcess.1,3
5 {6 y2 |+ u) b5 ^$ Hat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from6 I, g4 ^, k" F" \# w6 P  ], g- o
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
" E$ m* L1 y% q9 ^" N2 j  T; LA unique entity of male-limited gonadotropin-& j6 l& H3 r" |, J0 {: R
independent precocious puberty, which is also known3 q  o4 x( }* o, j  i# E
as testotoxicosis, may cause precocious puberty at a
0 z1 l: U% }! U7 k* ~very young age. The physical findings in these boys2 {6 o2 z$ Y: \9 h: u
with this disorder are full pubertal development,
$ j! q( }6 N" }; \including bilateral testicular growth, similar to boys
3 f1 G, g3 p- V3 i' ewith CPP. The gonadotropin levels in this disorder: k) m8 x: Z$ j0 r0 a2 Y  ~
are suppressed to prepubertal levels and do not show
6 u9 D- a% D" X  Rpubertal response of gonadotropin after gonadotropin-
2 x2 d2 r7 A/ N& \7 Ireleasing hormone stimulation. This is a sex-linked! Y4 E% `* _3 x1 f
autosomal dominant disorder that affects only
4 U. b; Q: K4 q0 Q# [5 l4 j9 emales; therefore, other male members of the family/ U0 C; |, j" i$ v
may have similar precocious puberty.3
' o  d! t4 g5 q: K9 nIn our patient, physical examination was incon-
2 l* h9 f& ~9 F, g7 u  fsistent with true precocious puberty since his testi-1 @9 O+ u  P/ ?; [) t& \
cles were prepubertal in size. However, testotoxicosis0 K, H  |9 ^- l- D1 s
was in the differential diagnosis because his father
3 }1 ]8 i5 j8 d+ r! t; L. Z4 ]1 Qstarted puberty somewhat early, and occasionally,
. L8 L- i; u% @testicular enlargement is not that evident in the- Y: l7 N- O; m, f3 d% z) M
beginning of this process.1 In the absence of a neg-
/ u5 Z  U5 d1 Y  D7 G) oative initial history of androgen exposure, our
' T; E( W/ ^# w2 ]: p- q1 E2 Hbiggest concern was virilizing adrenal hyperplasia,
2 D# R  b# j: ^& Oeither 21-hydroxylase deficiency or 11-β hydroxylase
0 }0 y! Z7 u/ Z+ Ndeficiency. Those diagnoses were excluded by find-- C. t  I1 w* N9 v& t6 w8 z
ing the normal level of adrenal steroids.# @: S6 |8 B' Z" Z
The diagnosis of exogenous androgens was strongly
/ f6 n( L3 c4 a3 X# \" Csuspected in a follow-up visit after 4 months because
0 j( J) u% K6 B$ J" _; Cthe physical examination revealed the complete disap-
' m  P0 h# e8 _6 L5 V3 kpearance of pubic hair, normal growth velocity, and' [/ R6 }( d  r
decreased erections. The father admitted using a testos-: W8 l* d) [! z3 X
terone gel, which he concealed at first visit. He was: {; l$ Q: R7 f* k; `
using it rather frequently, twice a day. The Physicians’* w# D  O7 W) y3 ?6 ~
Desk Reference, or package insert of this product, gel or
! N/ ^7 h! S" H7 N6 P8 w# bcream, cautions about dermal testosterone transfer to5 y: R3 N7 O, B2 Y, [: D2 Z8 @9 l, i
unprotected females through direct skin exposure.# n2 [5 ?3 P, X& K; }! Y" q# s! V! W
Serum testosterone level was found to be 2 times the0 x4 \7 u! F/ q# A6 A: K
baseline value in those females who were exposed to
5 z4 ^8 R, K' g2 teven 15 minutes of direct skin contact with their male! M6 L6 `% G! l
partners.6 However, when a shirt covered the applica-) P4 i. T" V9 u( \" U* G9 q
tion site, this testosterone transfer was prevented.
( |( D2 p: Y4 N; D, B" O. o% lOur patient’s testosterone level was 60 ng/mL,
! W* _$ k+ B' H# k& R+ Wwhich was clearly high. Some studies suggest that- e* m) M7 A$ ~0 B- X' n
dermal conversion of testosterone to dihydrotestos-
' {; {  W. [) ]terone, which is a more potent metabolite, is more
1 C( X- i9 t9 v& o0 T1 }2 n$ @active in young children exposed to testosterone
+ \& A4 E4 O1 r4 o' ~$ s* Iexogenously7; however, we did not measure a dihy-
: a- Z6 R* H% I4 h$ F+ edrotestosterone level in our patient. In addition to
* v9 o! U+ I9 r; p: xvirilization, exposure to exogenous testosterone in) h  ^( V1 D3 r( X- F1 |
children results in an increase in growth velocity and, s& M$ j/ ^4 x8 s: x& j
advanced bone age, as seen in our patient.
6 W  a( v7 J1 O' B$ aThe long-term effect of androgen exposure during
' M) g- z9 v: @. U; V# W  tearly childhood on pubertal development and final. N- t0 p9 E, G6 g/ o9 Y
adult height are not fully known and always remain
2 H+ H, v8 m! U9 wa concern. Children treated with short-term testos-
% ?5 r8 p' `0 v, Z5 W9 A+ x5 oterone injection or topical androgen may exhibit some% r3 W3 l) X- u+ z& M, c6 v- b
acceleration of the skeletal maturation; however, after
- @2 _8 h. i- Z- w' G7 S0 P* ?( s; P6 Ncessation of treatment, the rate of bone maturation
5 P' n/ a% _) [" b2 rdecelerates and gradually returns to normal.8,90 |# t+ h+ x1 V# i8 q
There are conflicting reports and controversy' O7 o: K& r! Z9 {, m' `7 K
over the effect of early androgen exposure on adult9 p: D$ X4 n0 a
penile length.10,11 Some reports suggest subnormal
' \* F% H7 i& Z$ Kadult penile length, apparently because of downreg-
" u/ b6 Z& r3 g6 G6 P6 a; oulation of androgen receptor number.10,12 However,
4 K" F. ?7 R- A$ }. y' rSutherland et al13 did not find a correlation between' ]2 f" ^4 @7 c5 x$ a
childhood testosterone exposure and reduced adult
# F1 A8 i: J! `/ R5 W. f. V) G; cpenile length in clinical studies.
; o/ K( F7 ]" D5 cNonetheless, we do not believe our patient is
, h2 L# R+ K5 o2 T" G- }7 kgoing to experience any of the untoward effects from
1 n0 k0 R9 U+ p  Z% `testosterone exposure as mentioned earlier because
) N. W8 p  D8 V# d) p  @. Mthe exposure was not for a prolonged period of time.& {3 @4 l8 l) z  O) N
Although the bone age was advanced at the time of
1 f5 V& @) p6 M6 A! Ndiagnosis, the child had a normal growth velocity at7 l; Z( M* m+ }& j1 H5 d' N
the follow-up visit. It is hoped that his final adult  x8 Z1 ]' W3 `$ j+ y
height will not be affected.
- |% S. i. C( m8 \Although rarely reported, the widespread avail-
& W3 n6 q% P) g- qability of androgen products in our society may9 E4 g0 C4 l! Z! K8 u
indeed cause more virilization in male or female' E6 B" p0 [: Y
children than one would realize. Exposure to andro-
! L6 Q2 b$ S- F- j2 C+ igen products must be considered and specific ques-( P4 S3 j" N! H3 @* F6 `: Q
tioning about the use of a testosterone product or! b/ b4 O9 u; ~* A; N+ A& w
gel should be asked of the family members during
% h, f: T+ E8 bthe evaluation of any children who present with vir-" @0 _6 s0 y$ s* [
ilization or peripheral precocious puberty. The diag-
! h/ [1 C& u! B$ k  W  Ynosis can be established by just a few tests and by+ E+ v& v- J- V' X* D) t. Y
appropriate history. The inability to obtain such a# p) r; f! t* K% e5 J
history, or failure to ask the specific questions, may8 C% P' P! M/ I% j: W
result in extensive, unnecessary, and expensive1 D/ B& U% e, i. \8 G
investigation. The primary care physician should be: U% I  A, t; v
aware of this fact, because most of these children# X, d& h+ v8 i
may initially present in their practice. The Physicians’
( J4 g) a+ |. E3 ^& F  N* c. YDesk Reference and package insert should also put a1 G$ M" |. F9 m: B( p5 ?
warning about the virilizing effect on a male or5 `% x2 V+ y" I$ }) F- @
female child who might come in contact with some-0 R+ q2 @& f8 o; s
one using any of these products.- g. T# s7 c9 k- P" I- G5 {0 N
References
! k, C% V" I7 U# C1. Styne DM. The testes: disorder of sexual differentiation7 O/ P3 g5 V8 ]# d; n. N9 |
and puberty in the male. In: Sperling MA, ed. Pediatric! P. Y# d: Z2 X! |* o% J
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
7 X# j) O" u. R2002: 565-628.4 }, p  g: T* T4 G
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious5 o: d4 ^2 L  A1 x- h2 Z4 W8 _- L5 L
puberty 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

: \) p: _+ }3 l1 N3 n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!
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