Endocrine Abstracts

Pseudohypercalcaemia is defined as an elevated total calcium level coincidental with a normal ionised calcium level. This rare phenomenon occurs in monoclonal gammopathy of unknown significance (MGUS). We report two cases of MGUS and a case of atopy with grossly elevated IgE levels exhibiting the phenomenon.Case 1: 31 year old female with MGUS, hypercalcaemia and normal parathyroid (PTH) levels. Parathyroid imaging normal. Consensus diagnosis of primary ...