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January 1950

PROGRESS IN ORTHOPEDIC SURGERY FOR 1945 A Review Prepared by an Editorial Board of the American Academy of Orthopaedic Surgeons: TUMORS OF BONE AND OF SYNOVIAL MEMBRANE

Author Affiliations

From the Section on Orthopedic Surgery, Mayo Clinic.

Arch Surg. 1950;60(1):170-181. doi:10.1001/archsurg.1950.01250010186018


Osteoid-Osteoma.  —Hamilton1 reviews the literature and the clinical picture and points out that sclerosis may obscure the nidus on roentgenologic examination unless overexposure and several views are employed. He further brings out that more sclerosis occurs when the lesion is in the cortex than when it is in the medulla. In differential diagnosis, osteoid-osteoma may be distinguished from Garré's osteomyelitis, Brodie's abscess, osteogenic sarcoma or Ewing's tumor. Hamilton reports 5 cases; in 2 the lesion occurred in the tibia, and in 1 each it occurred in the humerus, the talus and the second cervical vertebra.

Ed. Note.  —We agree that roentgenograms made at several different angles will often bring out the nidus, which otherwise might be overlooked.]Jaffe2 reports that an osteoid-osteoma is a small, oval or round, nidus-like benign neoplasm of bone, usually not more than 1 cm. in diameter. Men are affected twice