SARCOIDOSIS MIMICKING TOXOPLASMOSIS WITH SEVERE HYPERCALCEMIA AND NORMAL 1,25-DIHYDROXYVITAMIN-D

We report a case of a female patient with sarcoidosis who presented wi th a generalized lymphadenopathy and a strong IgG serological test-of toxoplasmosis. Progressive lymphadenopathy with a rising plasma calciu m (up to 15 mg dL(-1)) with a normal plasma 1,25-dihydroxy vitamin D c oncentration occurred later. Corticosteroid therapy resulted in prompt clinical and biochemical responses with normalization of plasma calci um and a significant reduction in 1,25-dihydroxy vitamin D concentrati on. This is an exceptional presentation of sarcoidosis with severe hyp ercalcaemia and normal vitamin D metabolites.