<unk>  is a cutaneous condition characterized by calcification of the skin resulting from the deposition of calcium and phosphorus often resulting from occupational exposure, as in cases reported in oil-field workers and coal miners.
Traumatic calcinosis cutis
Dystrophic calcinosis cutis
Metastatic calcinosis cutis
Iatrogenic calcinosis cutis
Calcinosis cutis
Tuberculosis verrucosa cutis
Folliculitis nares perforans
Granuloma annulare