Calcific bursitis in a three-year-old boy: a case report.

This is a case report of calcific bursitis adjacent to the first metatarsophalangeal (MP) joint in a 3-year-old boy. The patient had two attacks of pain on the medial side of the first MP joint, resembling an acute gouty attack. Roentgenograms showed calcified opacity adjacent to the medial side of the first MP joint. Surgical removal of the calcified bursa was performed. X-ray analyses revealed that this calcified deposit was hydroxyapatite.