Endocrine Abstracts

A previously well 75 year old man, presented with progressive right sided weakness and ataxia of three months duration that had worsened considerably during the previous 3 weeks. On examination, there was right hemiparesis, marked ataxia, sluggish pupillary responses and an extensive right sided visual field deficit confirmed by formal visual field testing. CT brain large suprasellar mass extending into pituitary fossa. MRI brain confirmed it to be a large pituitary macroadeno...

Hyperparathyroidism jaw tumour syndrome (HPT-JT) is an autosomal dominant disease with variable penetrance. Onset is typically in late adolescence or early adulthood. Primary hyperparathyroidism is typically caused by a single parathyroid adenoma but parathyroid carcinoma occurs in 10–15%. Ossifying fibroma of the mandible or maxilla occurs in 30–40%, and may be locally aggressive. 15% of patients have renal manifestations which include polycystic kidney disease, Wil...

Adrenal mineralocorticoid biochemistry differs between people of African and European ancestry. The aldosterone/renin ratio (ARR) is the initial screening test for primary hyperaldosteronism (PHA), but little data exists regarding ethnic variations in this.Following clinical observation of a high prevalence of abnormal ARR in patients of African origin, we retrospectively reviewed all ARR measurements in a single centre over 10 years. Rates of hypokalaem...