Iatrogenic calcinosis cutis is a cutaneous condition characterized by calcification of the skin resulting from the deposition of calcium and phosphorus introduced by a medical procedure, either inadvertently:528 or as a specific therapy. Iatrogenic calcinosis cutis is a cutaneous condition characterized by calcification of the skin resulting from the deposition of calcium and phosphorus introduced by a medical procedure, either inadvertently:528 or as a specific therapy.