An uncanny case of paraneoplastic calcitriol mediated hypercalcaemia.

Paraneoplastic hypercalcaemia may manifest even without overt detection of the primary cancer. The workup for paraneoplastic hypercalcaemia should be meticulous. Both bisphosphonates and steroids are useful in the initial management of calcitriol-mediated hypercalcaemia, but the definitive management is the treatment of the cause.