Endocrine Abstracts

A 19-year-old man attended his optician with an 18-month history of decreased visual acuity. Formal visual field testing revealed significant bitemporal hemianopia. On further questioning in hospital, his voice had deepened only 6 months previously. He had no facial hair. He had no difficulty with erections or libido. He had felt fatigued for months, but had no headaches, weight loss or postural dizziness. There was no history of galactorrhoea, gynaecomastia, nocturia, or exce...