Endocrine Abstracts

A 34-year-old male presented in March 2006 to the eye department with reduced visual acuity in left eye over 2 months and was initially diagnosed as retrobulbar neuritis. His vision was not improving in the next 2 months and so an MRI of the optic nerve was arranged which revealed a pituitary tumour impinging on the optic chiasma and his visual fields showed an early bitemporal hemianopia. Initial bloods revealed T4 13.5 pmol/l, TSH 1.4 μ/l, cortisol 305 nmol/l, prolactin...