Klinefelter Syndrome
Congenital Acquired Klinefelter syndrome Trauma Cryptorchidism Orchitis Immune polyglandular failure Spinal cord injury Congenital anorchia Medications: ketoconazole, cancer chemotherapy Noonan’s syndrome X-irradiation Lawrence–Moon–Bardet–Biedl syndrome Retroperitoneal fibrosis Myotonic dystrophy Amyloidosis Sickle…