Orthopedics > OCOSH Classification > Bone Diseases > Orthopaedic Oncology > Connective and Soft Tissue Neoplasms > Bone Neoplasms > Osteosarcoma > Juxtacortical Osteosarcoma

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A form of osteogenic sarcoma of relatively low malignancy, probably arising from the periosteum and initially involving cortical bone and adjacent connective tissue. It occurs in middle-aged as well as young adults and most commonly affects the lower part of the femoral shaft. (Stedman, 25th ed)

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Juxtacortical Tumors eMedicine Orthopedics

Location: http://www.emedicine.com/orthoped/topic617.htm

Juxtacortical or surface tumors are broadly defined as those arising adjacent to the outer surface of cortical bone. These surface lesions may arise from any of the mesenchymal elements present along the bone surface or from the pluripotent cells found within the periosteum. However, in most cases, it is impossible...
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Parosteal Osteosarcoma Wheeless

Location: http://www.wheelessonline.com/ortho/parosteal_osteosarcoma

Discussion: - parosteal osteosarcoma is a low-grade malignant bone tumor that usually occurs on the surface of the metaphysis of long bones; - arises between cortex and muscle as a low grade stage...
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View Details Visit Resource Review It Rate It Bookmark It Added: Wed Mar 28 2007

Periosteal Osteosarcoma

Location: http://www.wheelessonline.com/ortho/periosteal_osteosarcoma

Ritts-GD; Pritchard-DJ; Unni-KK; Beabout-JW; Eckardt-JJ Clin-Orthop. 1987 Jun(219): 299-307 Periosteal osteosarcoma is a surface lesion without evidence of medullary involvement.
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View Details Visit Resource Review It Rate It Bookmark It Added: Wed Mar 28 2007