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An unusual cause of pulmonary calcification


Metastatic pulmonary calcification (MPC) is an uncommon entity resulting from abnormalities in calcium-phosphorus homoeostasis. Most cases reported in the literature are among patients with chronic kidney disease receiving haemodialysis. Primary hyperparathyroidism is a relatively common condition affecting calcium homoeostasis, in which MPC can rarely occur. We report the case of one such patient who presented with severe hypercalcaemia and features of interstitial lung disease. Radiographic imaging was normal and the diagnosis was clinched by diffuse pulmonary uptake in 99mTechnetium-methylene diphosphate scan.

  • calcium and bone
  • lung function

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