Kallmann syndrome: a case of hypogonadotropic hypogonadism

An eighteen years old boy hailing from Nandail, Mymensingh was complaining of small external genitalia, small testes, and gradual enlargement of breast, weight gain, absence of facial, axillary and public hair, absence of sense of smell. His height was 162 cm, weight 59 kg, BMI-22.52 kg/m2 with eunuchoid body habitus. His stretch penile length was 5 cm, testicular volume < 5 ml, stage B3 development of breast and absence of facial, axillary and public hair. He was found anosmic of standard odors. Patient was clinically and biochemically in euthyroid state with low level of testosterone, LH and FSH and normal serum prolactin level. He was diagnosed as a case of hypogonadotropic hypogonadism due to Kallmann syndrome.