Open AccessA patient with refractory testicular adrenal rest tumour in the setting of cyp11b1 deficiency congenital adrenal hyperplasia
Author(s) -
Peiman Mirzaei,
Hassan Rezvanian,
Mansour Siavash,
Mahmoud Parham,
Parvin Mahzouni
Publication year - 2009
Publication title -
bmj case reports
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.231
H-Index - 26
ISSN - 1757-790X
DOI - 10.1136/bcr.06.2008.0280
Subject(s) - medicine , congenital adrenal hyperplasia , steroid 11 beta hydroxylase , differential diagnosis , priapism , adrenal disorder , hyperplasia , presentation (obstetrics) , endocrinology , pediatrics , surgery , pathology , steroid , insulin resistance , glucose homeostasis , hormone , insulin
Testicular adrenal rest tumour (TART) due to CYP11B1 deficiency is a very rare clinical finding. Only seven cases have been reported previously. Here, the case of a 19-year-old boy with classic CYP11B1 deficiency and large testicles refractory to medical treatment that led to orchidectomy is reported. The clinical and laboratory manifestations of this patient are discussed and compared with that of the previously reported cases. The patient presented with rapid body growth, precocious puberty, hypertension, recurrent hypokalaemic paralysis and testicular enlargement. The most important differential diagnosis of his latter presentation is Leydig cell tumour (LCT). It was found that positive family history of congenital adrenal hyperplasia (CAH), hypertension, bilaterality, hypokalaemia and multiple hypoechoic masses on ultrasonography of the testes are in favour of a diagnosis of TART. Conversely, high titres of tumour markers and presence of Reinke crystalloids are supportive of a diagnosis of LCT.