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Case reports illustrating acute and chronic osteomyelitis of these sesamoid bones of the feet have been presented. The infrequent occurrence, clinical picture, and treatment of the disease have been stressed.

• The finding of spondylolisthesis was accompanied by the complaint of backache with or without lower extremity pain in 72 of 73 patients; in the remaining case the symptom was that of unilateral sciatica. In 35 cases no history of trauma could be elicited. In five cases the fifth lumbar vertebra had slipped forward more than half the distance across the superior surface of the sacrum. The basic treatment in all 73 cases was an arthrodesis; in addition, protruding disks required excision in three cases. Sixty patients were restudied 3 to 19 years after the operation. The desired solid ankylosis had been achieved in only 24 patients. The pseudarthroses found in the other 36 were more frequent in the patients receiving bone grafts from a bone bank instead of iliac grafts, or confined to bed for only four weeks or less. Significant pain persisting in the legs after operation was explained by the finding of pseudarthrosis in 6 out of the 10 patients whose results were classified as fair or poor, but moderate pain continued also in 3 patients in whom solid fusion was achieved. It is recommended that further efforts be made to improve the technique of arthrodesis in this situation, that use of a bilateral spica cast to the knees be continued for three months after operation, and that early ambulation be avoided. The success of the operation should be verified by suitable roentgenograms, and a program of exercise and training should begin as soon as the patient becomes ambulatory.

From June, 1939, to January, 1953, 114 Vitallium mold arthroplasties of the hip for various disabilities were performed at the Lahey Clinic on 104 patients. The purpose of this paper is to evaluate, carefully and objectively, the end-results of this procedure by both history and clinical examination. 1 These patients ranged in age from 15 to 67 years, and 85% were between the ages of 20 and 59 at the time of operation. Fifty-eight per cent of the patients were females. The great majority of the patients complained of progressive, disabling pain in the hip, associated with stiffness, limp, and difficulty in walking. A few patients had ankylosis in poor position, which warranted operative correction. Arthroplasty was advised for 10 patients who had incapacitating bilateral hip disease. The exact diagnosis of the pathological process in the hip was readily indicated by the history, examination, and roentgenograms in the majority of

Subject to the limitations inherent in the small series of patients presented, the following conclusions concerning acromionectomy in the treatment of chronic tendinitis of the shoulder seem warranted. Acromionectomy is a simple operation which is compatible with excellent shoulder function and leaves little cosmetic defect. It removes the friction upon the tendon lesion, brings about spontaneous absorption of any calcific deposit, and relieves the symptoms. Because of the high percentage of excellent and good results, this operation is recommended for the treatment of a small, carefully selected group of patients with chronic disabling tendinitis of the shoulder which has not responded to conservative treatment.