Endocrine Abstracts

Approximately 70% of clinical laboratories in the United Kingdom use assays from Abbott Laboratories and Roche Diagnostics. We carried out a cross-sectional study between two neighbouring hospital laboratories in our regional pathology network, comparing the potential impact of Abbott and Roche PTH and calcium assays in the diagnosis of normocalcaemic hyperparathyroidism. Over 4 months, forty-one vitamin D replete (>50 nmol/l) normocalcaemic hyperparathyroidism patients (3...

A 65-year-old gentleman was referred by his GP because of acute kidney injury and hypercalcaemia, which was associated with low levels of parathyroid hormone. He had been fit and well and was on no regular medications. Whilst his hypercalcaemia was partly correctible with saline rehydration, cautious use of bisphosphonates and cinacalcet were not effective in preventing rebound, and his nephropathy persisted. Curiously, he had longstanding low plasma alkaline phosphatase, but had normal denti...