Endocrine Abstracts

Familial hypocalciuric hypercalcaemia (FHH) is a rare condition and can be mistaken for primary hyperparathyroidism (PHPT). Distinguishing this from the later is vital to avoid un-necessary surgery as this is a benign condition. Ca:Cr excretion ratio >0.01 in a spot urine is widely used to rule out FHH. However this was calculated from 24 h urine samples on the original studies.We present a case of 46-year-old lady who presented with symptomatic hype...