Eric J. Hazan

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Wide resection of tumors involving the glenoid region of the scapula compromises a center of motion in the shoulder joint and can cause significant loss of function. Two patients with aggressive tumor of the scapula were treated with wide resection and reconstruction using an osteoarticular acetabular allograft. The ball and socket geometry of the newly(More)
Long-term clinical data have shown that reconstruction using bone allografts provide adequate function after extensive tumor surgery. Complications such as nonunion of allograft-host interface, infection, and allograft fracture often require major revision surgeries. Allograft fractures usually do not induce the same repair process that is seen in normal(More)
Two hundred lower extremity osteoarticular allografts (in 200 patients) performed for aggressive or malignant bone tumors between 1976 and 1997 included 124 grafts of the distal femur, 46 of the proximal tibia, and 30 of the proximal femur. Seventy-four patients did not receive chemotherapy, and 126 received either adjuvant or neoadjuvant therapy. The(More)
This study describes a rat model of allograft osteotomy healing. An intercalary skeletal defect was created in adult Lewis rats by resecting a 2-cm segment of the femur in the diaphysis, including the periosteum and the cuff of muscle layers. The skeletal defects were replaced with fresh-frozen devascularized intercalary allografts from Sprague-Dawley rats.(More)
Computer Aided Orthopaedic Surgery (CAOS) is now about 25 years old. Unlike Neurosurgery, Computer Aided Surgery has not become the standard of care in Orthopaedic Surgery. In this paper, we provide the technical and clinical context raised by this observation in an attempt to elucidate the reasons for this state of affairs. We start with a brief outline of(More)
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