Popis: |
Background: We describe the diagnostic dilemma and treatment challenges faced in a rare case of 1,25-OHD mediated hypercalcemia. Clinical Case: A 13 year old boy was admitted with severe hypercalcemia (calcium 15.5 mg/dl) in the setting of a non-specific rash, malaise, pancytopenia and acute kidney injury. He was incidentally also noted to have hypogammaglobulinemia a few months prior to presentation. Blood tests were suggestive of hypercalcemia mediated by 1,25-OHD (level >200 pg/ml; ref: 30-83 pg/ml). 25-hydroxy vitamin D was normal (29 ng/ml) and PTH was appropriately suppressed ( |