Definition Resistance of target organs to androgen stimulation (owing to androgen receptor gene mutation on the X chromosome) leading to several syndromes with phenotypes varying from testicular feminization (severe form) to normal males with infertility (mild form) Clinical features You’re…
Definition Nonspecific granulomatous orchitis is a rare and unusual disease with mixed chronic and granulomatous inflammation of an unknown etiology. Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership…
Definition Granulomatous inflammation of testis and epididymis caused mainly by Mycobacterium tuberculosis Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
Definition Viral infection of the testis, most frequently due to mumps virus and Coxsackie B virus. The other viruses that can infect the testis and cause acute orchitis are influenza, infectious mononucleosis, coronavirus, varicella, and others. Clinical features Epidemiology In…
Definition Postpubertal children or adults who have undergone normal pubertal development show testicular regression due to deficiency of gonadotropins, including luteinizing hormone (LH) and follicle stimulating hormone (FSH). Clinical features You’re Reading a Preview Become a Clinical Tree membership for…
Definition Aspermatogenesis in adolescent or adult males who have never had normal secretion of gonadotropin hormones Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a…
Definition Congenital or acquired obstruction of the epididymis, vas deferens, or both, leading to azoospermia or low sperm count Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If…
Definition Azoospermia with seminiferous tubules showing complete absence of germ cells and lined by Sertoli cells only Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are…
Definition Reduced production of spermatozoa without a specific point of interruption Clinical features You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
Definition Cessation of germ cell development beyond a specific stage in spermatogenesis. The arrest is most frequently observed at primary spermatocyte, rarely spermatogonial, secondary spermatocyte, or spermatid level. Clinical features Epidemiology Can be idiopathic May have genetic etiologies including trisomy…