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The Journal of Bone & Joint Surgery British Volume
Vol. 51-B, Issue 3 | Pages 494 - 497
1 Aug 1969
Lowy M

1. The literature on fractures of the postero-superior aspect of the calcaneus is reviewed.

2. The mechanical distinction between "beak" fractures and avulsion fractures is questioned, and the dangers of a purely radiological diagnosis are stressed.

3. When a complete avulsion is suspected on clinical grounds, open reduction should be done.

The Journal of Bone & Joint Surgery British Volume
Vol. 50-B, Issue 2 | Pages 290 - 305
1 May 1968
Byers PD Cotton RE Deacon OW Lowy M Newman PH Sissons HA Thomson AD

1. The literature on pigmented villonodular synovitis has been reviewed and a series of eighty additional cases is reported.

2. The condition usually presents either as a nodule in a finger or knee, or as a diffuse lesion in a knee. The lesions, although benign, sometimes erode or invade the tissue of adjacent bones.

3. Distinction from malignant synovioma can be made on the basis of the macroscopic appearance of the lesion at operation (relationship to joints or tendon sheaths: villonodular appearance: pigmentation), and by histological examination.

4. Treatment of the nodular form by excision is satisfactory but extensive synovectomy for diffuse lesions of the knee gives poor results.

5. The etiology of pigmented villonodular synovitis is unknown, but it appears to be a self-limiting process, possibly inflammatory in nature.