ea0013p251 | Neuroendocrinology and behaviour (including pituitary) | SFEBES2007
Chowdhury Sharmistha Roy
, Evans PMS
, Penney MD
, Page MD
Two patients presented to us with polyuria and polydipsia.Case 1 A 34 year old gentleman was referred with polyuria, polydipsia, diffuse headaches and poor sleep. Initial plasma and urine osmolality were 306 and 272 milliosmol/kg respectively. Water deprivation test demonstrated normal concentrating ability. Starting urinary osmolality was 788 milliosmol/kg, rising to 877 milliosmol/kg. MRI pituitary was normal. Hypertonic saline infusion test prod...