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is a significant concern for physicians. Central
( H' B* Y2 K1 b" R6 j _precocious puberty (CPP), which is mediated
" o9 {+ Y! O& r1 o0 pthrough the hypothalamic pituitary gonadal axis, has
1 M% G+ p. u" |4 ra higher incidence of organic central nervous system
2 v9 g; y7 ~1 u" Olesions in boys.1,2 Virilization in boys, as manifested
8 y" G2 {( G3 H& r3 S' k: xby enlargement of the penis, development of pubic
4 L" [/ ]! {/ z/ L6 n' A" p+ v* Bhair, and facial acne without enlargement of testi-& O4 ~7 z- B6 V, Y! r6 U( D, s
cles, suggests peripheral or pseudopuberty.1-3 We
: Z u0 n7 X" n1 V3 Q; Vreport a 16-month-old boy who presented with the3 W, S( L: V: `
enlargement of the phallus and pubic hair develop-
6 A' G6 P1 @0 M2 o- vment without testicular enlargement, which was due
: u: X$ ]! f5 T9 D' Wto the unintentional exposure to androgen gel used by
0 k7 n) K4 k) F7 S" u, _the father. The family initially concealed this infor-
: T6 U/ k% a1 Dmation, resulting in an extensive work-up for this
5 ?# R+ k8 D; r N. g( wchild. Given the widespread and easy availability of' f# W$ Z( F/ \) b) U; M
testosterone gel and cream, we believe this is proba-* F- H7 m0 z* R& n
bly more common than the rare case report in the
' f n0 z& l# Iliterature.4. D3 x$ v3 C3 p, Q% A
Patient Report. S* G" y, n2 ^. u2 L5 o
A 16-month-old white child was referred to the/ ^( O& { u C7 y7 y2 L- J) u
endocrine clinic by his pediatrician with the concern
) s5 ?2 h4 Z% @4 M4 qof early sexual development. His mother noticed4 X) }' x0 N' D* E: c) n7 l# w o, c! M
light colored pubic hair development when he was
9 E6 E4 @" ]- O3 Q- yFrom the 1Division of Pediatric Endocrinology, 2University of
0 U& u: Q( z% ^5 w9 _2 Q6 B! OSouth Alabama Medical Center, Mobile, Alabama.
2 o0 _# _8 w/ ?" T9 U2 X6 n# u/ WAddress correspondence to: Samar K. Bhowmick, MD, FACE,4 X; K3 V+ N1 e0 P4 P8 p
Professor of Pediatrics, University of South Alabama, College of& F8 N* T! v, |9 a) Y+ A
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
' ]' T& c2 k8 u# B8 m: N" ye-mail: [email protected].: O2 h/ Y l. K1 h7 r% H
about 6 to 7 months old, which progressively became# V1 _; ]* q& J* x! e3 p
darker. She was also concerned about the enlarge-
: u0 ^) N$ S c {2 rment of his penis and frequent erections. The child0 K$ q! G6 k0 a' j$ s& M
was the product of a full-term normal delivery, with& m$ P- m- Q4 L" ~9 I- }$ d
a birth weight of 7 lb 14 oz, and birth length of
% o; o3 G# n6 T8 i0 l9 e20 inches. He was breast-fed throughout the first year; ~6 H9 H/ [+ a, \9 g8 a' Q
of life and was still receiving breast milk along with
; [" L, ~1 z. [) |+ g/ f: msolid food. He had no hospitalizations or surgery,% \( V: W% T) o9 f- q
and his psychosocial and psychomotor development g) L# E) s" ]9 n
was age appropriate.
& h, x9 T! x. d) q X9 g$ bThe family history was remarkable for the father," i& s: j- d! C" Z. a
who was diagnosed with hypothyroidism at age 16,
7 v- ~; Q, F- k9 r, g6 b2 e1 Fwhich was treated with thyroxine. The father’s& D: \+ {, X0 f1 I5 }0 X& w8 t
height was 6 feet, and he went through a somewhat
, t" U2 V+ `' W: |2 O: Eearly puberty and had stopped growing by age 14.
" z2 W( a* Q4 @' B$ ~+ z( K+ DThe father denied taking any other medication. The+ K% i0 j; L* g! i' u8 M
child’s mother was in good health. Her menarche1 W- v6 y: s% s5 W Y2 V
was at 11 years of age, and her height was at 5 feet& @1 i1 v! w5 ?8 m. I
5 inches. There was no other family history of pre-8 z( A- p; ^' `+ O. G* U5 {/ `5 _5 U
cocious sexual development in the first-degree rela-
& d) @8 h, @& ~* ytives. There were no siblings.6 f0 ?7 G7 \' c! m0 H* j1 c
Physical Examination
6 ]) S9 \9 |4 wThe physical examination revealed a very active,3 h" x) o& b! T- X: R7 p7 v
playful, and healthy boy. The vital signs documented
) \7 ^4 E/ i6 n" oa blood pressure of 85/50 mm Hg, his length was
4 i( `5 W. D! A+ K6 G0 K90 cm (>97th percentile), and his weight was 14.4 kg3 u7 U9 A. I( x* `4 q) @0 Y
(also >97th percentile). The observed yearly growth" s8 {# C% r' q7 L5 T+ r
velocity was 30 cm (12 inches). The examination of/ Z5 \/ p0 b0 _
the neck revealed no thyroid enlargement.5 a. h: s. x& }* y+ |; C2 L+ |
The genitourinary examination was remarkable for
' b/ j4 Y+ M5 z7 r. venlargement of the penis, with a stretched length of9 p- E$ f1 C) b9 J: L* K$ ]
8 cm and a width of 2 cm. The glans penis was very well
; `; f! X: ]0 m0 a) X9 a b4 fdeveloped. The pubic hair was Tanner II, mostly around3 `) g' i- {1 J8 g9 A! L5 f4 ]
540
, P3 D- v; J G0 }* W' x- p- Lat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
2 d2 y! m Y1 [/ Sthe base of the phallus and was dark and curled. The1 T0 l* A3 Q7 N( l$ W. @* Q
testicular volume was prepubertal at 2 mL each.2 v$ r! ^+ `8 A" Q
The skin was moist and smooth and somewhat
/ ^$ ~& J. b- N( I$ Q- Noily. No axillary hair was noted. There were no
3 A; `2 {, Q# Oabnormal skin pigmentations or café-au-lait spots.7 h6 _8 n9 D; X& n
Neurologic evaluation showed deep tendon reflex 2+7 |' J+ h+ |- C3 m
bilateral and symmetrical. There was no suggestion
; p% P1 O4 P7 C2 Gof papilledema.
3 c. M1 \4 b/ Z. b. e: A# S; O( nLaboratory Evaluation
* O$ A7 C0 i8 A5 oThe bone age was consistent with 28 months by
3 X) ]( i$ a; H# u T( H' [using the standard of Greulich and Pyle at a chrono-
" ?# I5 n- M, b0 V6 ~7 _; G- b& clogic age of 16 months (advanced).5 Chromosomal: `6 d' P: X, V- n& f* h9 j
karyotype was 46XY. The thyroid function test
( I" ~, k9 I( W7 d2 R: y, x5 p. zshowed a free T4 of 1.69 ng/dL, and thyroid stimu-* I( l5 d% s3 h4 u4 p3 P$ }: S# X2 O
lating hormone level was 1.3 µIU/mL (both normal).' Q) {/ ], B0 `# e% [) \
The concentrations of serum electrolytes, blood8 `1 {* x8 O1 k' @# h8 ?) Q
urea nitrogen, creatinine, and calcium all were' T0 l' B& L" B Z6 ?' i
within normal range for his age. The concentration4 E' ?( U, e9 O1 r- R) c+ p
of serum 17-hydroxyprogesterone was 16 ng/dL
9 p" ^8 z; g" s9 o! _+ [(normal, 3 to 90 ng/dL), androstenedione was 20
7 H2 J0 B1 X2 d% |# cng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-5 i8 K& `* ~6 b+ o
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
2 K; C6 ^! W3 x5 ^# Y* Ndesoxycorticosterone was 4.3 ng/dL (normal, 7 to
/ d. z2 f& x' E/ n1 z7 |9 s/ s5 H49ng/dL), 11-desoxycortisol (specific compound S)) P' b7 |: U; Y" J; X R, g
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
, a/ D+ F0 `$ T: L: q5 |4 K! O4 Utisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
$ f0 X( d9 S3 ]+ T8 ~6 C: m9 btestosterone was 60 ng/dL (normal <3 to 10 ng/dL),4 v2 S" P9 s( Q- {2 u
and β-human chorionic gonadotropin was less than/ X5 n0 ]2 V5 g% h) k' l- K
5 mIU/mL (normal <5 mIU/mL). Serum follicular
; P h8 Q, Y5 h/ p1 Ostimulating hormone and leuteinizing hormone
$ Q: C6 d+ U: q8 z% _2 Econcentrations were less than 0.05 mIU/mL
3 r5 U7 B0 I, g" c) g. l6 F(prepubertal).6 t* C& W2 M: z# x1 y
The parents were notified about the laboratory1 X% f, o0 I7 }5 I# I9 Z
results and were informed that all of the tests were
$ E# Y, ^1 M& U6 y/ q( G9 W& snormal except the testosterone level was high. The
. B3 s! C0 ]5 C/ Ofollow-up visit was arranged within a few weeks to
1 E' V7 ?0 u! h1 E0 s3 r, gobtain testicular and abdominal sonograms; how-1 r/ q M+ A% h% J- T1 w1 f6 Q' [4 F
ever, the family did not return for 4 months.
$ `9 _4 k- L( i/ z, j6 zPhysical examination at this time revealed that the
. X% p a+ L1 b8 R& ~& T6 u6 ~4 v O) t. Gchild had grown 2.5 cm in 4 months and had gained5 t2 h3 c3 E, P0 Q/ t
2 kg of weight. Physical examination remained
! j2 {. E1 I7 D0 Q, Zunchanged. Surprisingly, the pubic hair almost com-4 q2 B% Y t* D j3 l5 }, A$ f
pletely disappeared except for a few vellous hairs at$ L# ]* H, b& O$ Q$ z
the base of the phallus. Testicular volume was still 27 b# F: k8 ?; L1 W
mL, and the size of the penis remained unchanged.
# h X0 y, q9 V6 G! @4 X7 w5 YThe mother also said that the boy was no longer hav-
2 l a# E/ Q, G7 g' ]' Ming frequent erections.( U/ o" k8 ^5 x5 q! B
Both parents were again questioned about use of; N$ Q7 M. D4 \2 A' V. b( I
any ointment/creams that they may have applied to
& X+ J* T3 O5 `0 _) t; k4 ]9 j4 Wthe child’s skin. This time the father admitted the
# j, i8 n S. y8 T) J+ D2 C: g, KTopical Testosterone Exposure / Bhowmick et al 541- {1 I7 [" d2 \ g5 s% l
use of testosterone gel twice daily that he was apply-+ c8 e9 Y% I: I# |; m1 c
ing over his own shoulders, chest, and back area for! l. ^: Q5 B ^, Z' h1 L1 f
a year. The father also revealed he was embarrassed
8 u' @3 G) B1 W, x3 p7 B+ C1 d& wto disclose that he was using a testosterone gel pre-
9 i: n* l5 r5 T, }& i Hscribed by his family physician for decreased libido
5 s8 W+ S5 X+ p/ x2 S# F5 k% |secondary to depression.5 E' ]; {7 ^# S, r: ^2 r& C
The child slept in the same bed with parents.% [. ~0 B9 B1 s+ U
The father would hug the baby and hold him on his
@* X* @- q+ K5 I( C! vchest for a considerable period of time, causing sig-
! W( n4 t& A4 s6 Q5 wnificant bare skin contact between baby and father.& m7 V2 K& _! f/ c) j
The father also admitted that after the phone call,
& C" E+ V. o5 h5 R3 p i/ wwhen he learned the testosterone level in the baby0 W$ |0 g3 m& C" H4 W4 i; h( @
was high, he then read the product information4 N! `( u- ^* s c: x
packet and concluded that it was most likely the rea-& H$ c8 ^9 {. N; r) H
son for the child’s virilization. At that time, they- I( W, c! K+ k' g4 ]
decided to put the baby in a separate bed, and the7 ^3 i- y5 m, r! t9 m
father was not hugging him with bare skin and had
, T2 |- t+ r" O+ _# O. Nbeen using protective clothing. A repeat testosterone
1 z' d$ _: B! c* ?* E3 t {test was ordered, but the family did not go to the
+ i" U" E; x. z4 P" W! hlaboratory to obtain the test.7 w& P4 V6 E5 y; G7 j. h, G+ s
Discussion+ \) ~. n; R8 P+ ~
Precocious puberty in boys is defined as secondary
# d' g* I3 D( o+ f3 csexual development before 9 years of age.1,46 d2 P0 e" d" {! l
Precocious puberty is termed as central (true) when# a8 A, j0 C ]4 J O
it is caused by the premature activation of hypo-
2 p- k! e6 F) j" P( vthalamic pituitary gonadal axis. CPP is more com-
# Z/ M$ |) o" _& l& kmon in girls than in boys.1,3 Most boys with CPP
1 E5 h) g. S1 E7 }1 h- ymay have a central nervous system lesion that is( ]# Q4 B V, `9 K4 Y0 _) K# f7 d+ I
responsible for the early activation of the hypothal-8 [/ C9 D# H# B( C
amic pituitary gonadal axis.1-3 Thus, greater empha-- t# \) b) K3 ~2 Z; ~' C
sis has been given to neuroradiologic imaging in5 ?6 Y: J. ]( [6 r
boys with precocious puberty. In addition to viril-0 h: h9 w" H; d3 U6 A7 R
ization, the clinical hallmark of CPP is the symmet-& T/ ~0 \4 E3 z; ^2 G6 p
rical testicular growth secondary to stimulation by
9 @& w0 F% e5 M, Rgonadotropins.1,3
# g6 k/ K Q8 R. U( D" jGonadotropin-independent peripheral preco-
+ I k$ p; p5 f0 o# @' y3 [cious puberty in boys also results from inappropriate
( C# S$ N4 p' M. k- k! kandrogenic stimulation from either endogenous or6 O4 ~: b( Z' L. Y6 _
exogenous sources, nonpituitary gonadotropin stim-
8 n# J+ v4 T- dulation, and rare activating mutations.3 Virilizing, M8 O2 R' f. u
congenital adrenal hyperplasia producing excessive
1 p+ W4 `2 g) e: g8 ~adrenal androgens is a common cause of precocious
# s7 u) \1 B8 n; W, V: |puberty in boys.3,44 [' f. D& I) A- B% Z, U
The most common form of congenital adrenal* }2 k+ B4 ^& n5 P- J! s
hyperplasia is the 21-hydroxylase enzyme deficiency.5 M& i2 k' O' f C
The 11-β hydroxylase deficiency may also result in* ], E0 u& T! _0 ^
excessive adrenal androgen production, and rarely,8 z6 a1 _ _8 B$ r
an adrenal tumor may also cause adrenal androgen" y- `1 I7 w1 C0 S
excess.1,3
( g; Q: o# i2 O+ t9 ^; Z$ Lat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
/ h: s* N* P/ u% Z; c- R' r: U542 Clinical Pediatrics / Vol. 46, No. 6, July 20078 b2 j6 ?- i$ `1 n9 u, d
A unique entity of male-limited gonadotropin-) N1 o; P8 o+ N8 i0 b+ P+ ] T
independent precocious puberty, which is also known- r- a. ?, X5 `1 L: y% \% O" j4 J3 J
as testotoxicosis, may cause precocious puberty at a! Q$ u! y$ J, N6 z
very young age. The physical findings in these boys* e+ V) }5 e" L2 z6 g4 B
with this disorder are full pubertal development,. B( E" x. _5 ^1 Y- M
including bilateral testicular growth, similar to boys1 _3 ]8 V% o" Z' I" ]$ t( N# ^6 p
with CPP. The gonadotropin levels in this disorder
/ i# A& E) i/ N8 D/ P: \are suppressed to prepubertal levels and do not show; h& `: |4 t c5 Z" T" ^7 h' n
pubertal response of gonadotropin after gonadotropin-
% n1 e* F7 ~$ w( T* Freleasing hormone stimulation. This is a sex-linked
% {- k, Z4 q( m# Rautosomal dominant disorder that affects only/ |* z6 A0 ^2 m q' y0 S% T
males; therefore, other male members of the family, q6 L [* @7 i! P2 H. E
may have similar precocious puberty.3# n$ g8 O4 J& ^% I! v4 Z
In our patient, physical examination was incon-
* h; _0 g; t! ^$ O. C; z; K! d: vsistent with true precocious puberty since his testi-8 t* Q) k; ? m7 w6 y
cles were prepubertal in size. However, testotoxicosis
3 V& L- U8 s( @* Z9 _- Nwas in the differential diagnosis because his father
' F B# a! @ a, f7 ~1 n8 lstarted puberty somewhat early, and occasionally,
6 P9 R$ K/ B& I% w6 J& ctesticular enlargement is not that evident in the
$ i0 L# O6 ?& d7 ?9 Fbeginning of this process.1 In the absence of a neg-9 A+ Q& F/ x2 G& e
ative initial history of androgen exposure, our# i! v6 {9 p: s; @) C4 k7 V- o" c
biggest concern was virilizing adrenal hyperplasia,5 V6 D4 A# g0 y1 R$ z5 o
either 21-hydroxylase deficiency or 11-β hydroxylase
# @# I6 K; n3 { X* S( q6 rdeficiency. Those diagnoses were excluded by find-
/ ]/ C8 P: O2 Jing the normal level of adrenal steroids.
$ h! r" P7 E% z# F- lThe diagnosis of exogenous androgens was strongly- N/ U0 G3 ?$ s4 n
suspected in a follow-up visit after 4 months because
* [' `, H8 ~* j( n/ ?the physical examination revealed the complete disap-
) @, r8 K5 p$ E( @" C% Lpearance of pubic hair, normal growth velocity, and; o3 [2 d/ a. H& F. ]4 U
decreased erections. The father admitted using a testos-
6 P% s3 t2 ?! D3 tterone gel, which he concealed at first visit. He was9 u0 y) c# n: s9 y+ S* X
using it rather frequently, twice a day. The Physicians’
- {" F' y* y% J3 O2 Z4 t6 jDesk Reference, or package insert of this product, gel or
! Q& @; g& Y: I& }7 }cream, cautions about dermal testosterone transfer to
. n2 V1 V0 ]* I" W5 ~unprotected females through direct skin exposure.
2 Z: D4 K2 a) X4 y! VSerum testosterone level was found to be 2 times the
0 s4 N/ K5 L. r% P/ M( X" J2 Cbaseline value in those females who were exposed to* ]* I9 W2 u$ H0 |
even 15 minutes of direct skin contact with their male3 ~: T# N" x" v3 H
partners.6 However, when a shirt covered the applica-
) L& q+ d" X B- e4 p% qtion site, this testosterone transfer was prevented.% ^; ~1 ?$ |/ |, I# M
Our patient’s testosterone level was 60 ng/mL,
. T( r" c' v3 k+ ^6 cwhich was clearly high. Some studies suggest that" ]- ]. C K& O' J
dermal conversion of testosterone to dihydrotestos-
5 h; ^( ^2 K8 d9 f- `1 H6 f/ v% d% Iterone, which is a more potent metabolite, is more2 Q& N0 F1 P* _7 h& `
active in young children exposed to testosterone9 o. g5 v$ ?' v7 D7 y0 z3 G% j* ]
exogenously7; however, we did not measure a dihy-# X8 U& D8 X. f4 a$ c. C9 l3 m
drotestosterone level in our patient. In addition to- W5 _- ^+ K3 p( K3 ^' {6 @4 f; {6 W& i
virilization, exposure to exogenous testosterone in( S* E" W7 y' l5 w" Y) Z3 q
children results in an increase in growth velocity and
+ s5 I6 R. i$ @1 k; padvanced bone age, as seen in our patient.! r& T a/ h7 c$ U8 [+ G' y0 n
The long-term effect of androgen exposure during2 w+ e g' W% Z9 g l4 {8 p2 ]
early childhood on pubertal development and final6 e: q# ~$ J u7 F0 H5 |
adult height are not fully known and always remain
1 M5 p% B. H) {) u. \/ O. ca concern. Children treated with short-term testos-( H" H; l) @6 n
terone injection or topical androgen may exhibit some$ I0 R7 O+ B6 z' q* [
acceleration of the skeletal maturation; however, after
' R' h! n5 J# h$ c6 Xcessation of treatment, the rate of bone maturation! O6 F& j O5 F- s
decelerates and gradually returns to normal.8,9' J* z! t6 J+ z L8 d$ S
There are conflicting reports and controversy
( n9 g( X+ X2 [$ V) w Lover the effect of early androgen exposure on adult
z Q7 X( N& |7 w% dpenile length.10,11 Some reports suggest subnormal
' a- Q& f- g% [adult penile length, apparently because of downreg-
7 c" U0 ~7 v% s. N; D# W# m1 nulation of androgen receptor number.10,12 However,
5 Y& t1 a" r) @Sutherland et al13 did not find a correlation between5 t+ k V/ d: ~
childhood testosterone exposure and reduced adult
0 G" w) ^+ [( Q% a$ bpenile length in clinical studies.. Y! o% f' }+ z1 g. J' S" m" P
Nonetheless, we do not believe our patient is
5 z( {* e& _' z. X- B6 l& lgoing to experience any of the untoward effects from3 R& o3 v. s' r6 v. S- F# m6 g
testosterone exposure as mentioned earlier because
2 W+ C4 O$ c! H0 P2 B3 ?the exposure was not for a prolonged period of time.4 U) L0 `0 @" S% [: {' O8 @
Although the bone age was advanced at the time of
& G2 b& c) J4 W0 Z Ndiagnosis, the child had a normal growth velocity at' R% H: ^7 H& R0 e1 s; }/ p# F- t
the follow-up visit. It is hoped that his final adult: e: W* B3 A K0 h0 a3 D
height will not be affected.! H2 A' [. E+ F; E* J# A" o7 F
Although rarely reported, the widespread avail-
* ?- C" u6 r/ v0 F1 lability of androgen products in our society may
# u2 k4 z' E4 L: v( S- p7 }5 lindeed cause more virilization in male or female
7 c" L# d% r/ X( g" z% @) Fchildren than one would realize. Exposure to andro-1 F) L, r ^/ ~& ?& R; h$ D
gen products must be considered and specific ques-% P8 |' ]% g" F2 K$ I6 e( w
tioning about the use of a testosterone product or
2 i( Z( w8 Q$ N% Egel should be asked of the family members during" V1 q* B& B9 G! @
the evaluation of any children who present with vir-
2 |! P8 B$ S# L& z8 D; y, g: Eilization or peripheral precocious puberty. The diag-
* S0 F* I; ^" ^ Qnosis can be established by just a few tests and by
7 |% O* s, p* r4 c# qappropriate history. The inability to obtain such a3 D/ Y/ P, Y" ~* `& B
history, or failure to ask the specific questions, may3 U9 J0 P9 c j) h
result in extensive, unnecessary, and expensive. E# V1 U) X; O0 F
investigation. The primary care physician should be! p2 `& G3 A/ p1 i" d. ]3 i
aware of this fact, because most of these children
6 {, i8 L8 k, N) ?* b$ cmay initially present in their practice. The Physicians’" v9 `: D5 W1 b ?# _) Z' y/ S+ X2 J. c
Desk Reference and package insert should also put a+ d3 N% v& Z, U, y. @- ]! _& G2 q+ g
warning about the virilizing effect on a male or
* X8 R; t) t0 X0 `' @! D3 j, Kfemale child who might come in contact with some-
5 c) g& l6 Q8 x& oone using any of these products.
* {) Q6 d5 F/ g" g' e A2 TReferences4 |' L0 b% P) {) A# ]' d Y
1. Styne DM. The testes: disorder of sexual differentiation/ ?' b7 c9 ?! a5 ~1 I( ?
and puberty in the male. In: Sperling MA, ed. Pediatric
6 ]. B" @6 ?4 J0 \6 s9 D$ vEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
2 o/ v o- {7 V; d2002: 565-628.
7 h& A% m6 U# F' G. k+ b1 \2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
: F. g, Y- r& V8 b! S6 T/ W. w( Kpuberty in children with tumours of the suprasellar pineal9 F. z$ C) ~, y
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from; j% p2 j7 A V* {6 G8 _1 y; U- t$ b
Topical Testosterone Exposure / Bhowmick et al 543
$ M- y# z& d# Z- zareas: organic central precocious puberty. Acta Paediatr.7 o8 S' t0 j& S6 Q5 i$ z5 f
2001;90:751-756.
% a+ _! l7 @; f0 w/ |' s' y* Y3. Lee PA. Puberty and its disorders. In: Lifshitz F, ed.1 J7 j: r/ Q, Y* g6 ~/ g
Pediatric Endocrinology. 4th ed. New York, NY: Marcel, H# `2 y) v$ ~/ U: A
Dekker Inc; 2003:211-238.
# ^- G# T- u( E. Y# u7 [9 {+ Y$ O4. Yu YM, Punyasavatsu N, Elder D, D’Ercole AJ. Sexual
K! @3 t; q) Y9 j* \% \development in a two-year-old boy induced by topical
' K; F3 Z, U" J$ o5 \exposure to testosterone. Pediatrics. 1999;104:e23.+ b) f4 |) A9 e$ R) Y9 w
5. Greulich WW, Pyle SI, eds. Radiographic Atlas of
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