Kallmann's syndrome.

ABSTRACT

Kallmann's syndrome is a rare genetic disorder due to abnormal migration of olfactory axons and gonadotropin releasing hormone producing neurons, characterized by hypogonadism and anosmia. The prevalence of Kallmann's syndrome is 110,000 to 160,000 with a male to female ratio of 51. The inheritance of Kallmann's syndrome may be X-linked, autosomal recessive or autosomal dominant with variable penetrance, mutation involving KAL-1 and KAL-2 gene respectively. We report a case of Kallmann's syndrome in a 19-year-old boy with characteristic clinical, biochemical and MRI findings.