Endocrine Abstracts

A 24 yr old man complaining of visual disturbances for 7 weeks presented with acute severe headache and bitemporal visual field defects. A high density lesion in the pituitary fossa suggestive of pituitary apoplexy was initially observed on a CT scan but an MRI of the pituitary revealed an irregular structure in the suprasellar cistern and the differential diagnoses of a pituitary adenoma or an aneurysm were proposed. Routine haematological and biochemical investigations were ...

Central diabetes insipidus (CDI) is an uncommon disorder characterised by a deficiency of arginine vasopressin. There are many causes of CDI including traumatic, infiltrative, inflammatory and neoplastic disorders of the pituitary or hypothalamus. CDI may be associated with a pituitary stalk lesion or thickening. Such thickening is commonly related to lymphocytic infundibular hypophysitis (LIH) or other granulomatous infiltrative disorders.We present a s...

An 18 year old lady was seen in endocrine clinic in October 2004 with 10 month history of polyuria, polydypsia and lethargy. Previous medical history includes Graves thyrotoxicosis which is treated with carbimazole.Clinical examination was unremarkable.Investigations and management: Urine osmolality −84 mosmol (250–750), serum osmolality −290 mosmol (288–298), full blood count, fasting glucose, renal, liver fu...