Endocrine Abstracts

Hereditary hypercalcaemia can be a diagnostic challenge. We present a family with autosomal dominant hypercalcaemia that illustrates this. A 48-year-old man was referred with asymptomatic long standing hypercalcaemia (2.8–3.04 mmol/l), with plasma PTH levels between 45 and 48 ng/l (normal 15–65), and a high urinary calcium excretion, (24 h calcium collection 10.4 mmol/l (2.5–7.5), with high calcium excretion indexes) all consistent with primary hyperparathyroidi...