AN OSTEOBLASTIC OSTEOID TISSUE-FORMING TUMOR OF A METACARPAL BONE

Abstract

Benign tumors of the short tubular bones of the hands and feet are relatively frequent. Malignant tumors occur rarely, and adequate information is not available to permit a full discussion of the nature of such lesions, or to draw conclusions concerning their clinical course and prognosis. We have observed a tumor of the fourth metacarpal bone that seems to be of interest clinically, roentgenologically and pathologically. REPORT OF A CASE The patient (C. Z.) was a girl, 15 years of age when she first came under our care. She had noticed a swelling in the region of the fourth metacarpal bone of the left hand in March, 1927, when she was 12 years of age. At first the enlargement was not great, but pain on pressure was present. Roentgen examination at that time showed expansion of the diaphysis of the fourth metacarpal bone by a tumor extending from the base