An 11 year old girl was brought in Aug. 2, 1939 because of pain in the ball of the right foot, which had been present for six months. The family physician had taken roentgenograms, which were negative, and he was of the opinion that she had a calcified bursa on the plantar surface of the foot. With no improvement after six months the parents consulted another physician, who referred her to me. She gave a history of having had pyelitis, and on getting up after prolonged bed rest the foot was painful. She also had had some callus form under the anterior arch, which had since disappeared. There was some pain in the region of the longitudinal arch.
Examination showed a definite tumor on the plantar surface of the foot, which was very tender. This tumor was beneath the shaft of the first metatarsal bone and was felt to be