Black Bone Disease of the Foot: A Two-Year Follow-Up Case Study

The Journal of Foot and Ankle Surgery : Official Publication of the American College of Foot and Ankle Surgeons
Adam Cornejo, Gerard J Kerbleski

Abstract

"Black bone disease" is a term commonly used to describe a condition characterized by a blue/green/brown discoloration to the bone that often resembles infracted or necrotic bone. The chronic use of minocycline or tetracycline has been reported in previous data as a cause of this discoloration to the skin, bone, and teeth. However, the occurrence in bone is rare, with few studies reported regarding the discoloration. We previously presented a case of this condition encountered during cheilectomy of the first metatarsophalangeal joint in a patient who had had long-term usage of minocycline for adult acne. Two years after the initial case, the patient returned for correction of a hammertoe deformity on the second left proximal phalanx of the same foot. We present the findings and photographs from the second surgery. In addition, we have provided the relevant case data and figures from the first case for ease of comparison.

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