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

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A slowly growing malignant neoplasm derived from cartilage cells, occurring most frequently in pelvic bones or near the ends of long bones, in middle-aged and old people. Most chondrosarcomas arise de novo, but some may develop in a preexisting benign cartilaginous lesion or in patients with ENCHONDROMATOSIS. (Stedman, 25th ed)

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Mesenchymal Chondrosarcoma (8)
A rare aggressive variant of chondrosarcoma, characterized by a biphasic histologic pattern of small compact cells intermixed with islands of cartilaginous matrix. Mesenchymal chondrosarcomas have a predilection for flat bones; long tubular bones are rarely affected. They tend to occur in the younger age group and are highly metastatic OCOSH Code C04.557.450.565.280.280_BD_BN_CTS_CT_CS_M

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Chondrosarcoma Doctors Doctor

Location: http://www.thedoctorsdoctor.com/diseases/bone_chondrosarcoma.htm

Chondrosarcomas are malignant tumors of the bone formed by malignant cartilage. These tumors present with pain in 75% of patients. Symptoms usually last about 33 months before diagnosis. Like osteosarcomas, there are many important variants, differing both in clinical and histological presentation. These variants are covered in the outline below.
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Chondrosarcoma SA Registrars Notebook

Location: http://som.flinders.edu.au/FUSA/ORTHOWEB/notebook/disease/tumour3.html#chondrosar

Brief notes (Incidence, Clinical, Xrays, Pathology, Treatment, Prognosis) - Primary tumour whose cells produce cartilage matrix May arise de novo or secondarily to an existing benign cartilaginous tumour
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Chondrosarcoma Wheeless

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

Discussion: - malignant cartilaginous tumor of bone; - it is less common and less aggressive than osteosarcoma; - staging: - most often presents as a low grade - intracompartmental lesion; ...
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View Details Visit Resource Review It Rate It Bookmark It Added: Wed Mar 28 2007

extraosseous chondrosarcoma Wheeless

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

Discussion: - also known as extraskeletal myxoid chondrosarcoma; - it is known also as chordoid sarcoma because of its resemblance to Chordoma; - accounts for <2 % of all...
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Extraskeletal Chondrosarcoma Doctors Doctor

Location: http://www.thedoctorsdoctor.com/diseases/chondrosarcoma_extraskeletal.htm

These rare soft tissue tumors are related to chondrosarcomas of the bone by a similar histopathology. The majority of these tumors are classified as myxoid chondrosarcomas. Although the majority of the tumors present in the extremities, various organs around the body have reported cases.
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Low Grade Cartilage Tumors eMedicine Orthopedics

Location: http://www.emedicine.com/orthoped/topic648.htm

Cartilage tumors vary in severity from benign enchondroma to low-grade malignant chondrosarcoma to the highest-grade dedifferentiated chondrosarcoma. Chondrosarcoma is the second most common primary malignant bone tumor, accounting for 10-20% of all primary bony malignancies (Healey, 1986; Rizzo, 2001). Enchondroma, which consists of benign endosteal cartilage, is much more common...
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Secondary chondrosarcoma of the cuboid bone in a patient with multiple exostose

Location: http://www.cma.ca/multimedia/staticContent/HTML/N0/l2/cjs/vol-51/issue-1/pdf/pgE5.pdf

M. Chadha, A.P. Singh Can J Surg, Vol. 51, No. 1, February 2008
T his report describes the occurrence of a secondary chrondrosarsoma in the cuboid bone, a most unusual loca- tion. All practitioners, especially residents and trainees, should be aware of this con- dition. Of interest is the increased risk...
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Secondary Chondrosarcoma Pre-Test and Tutorial

Location: http://dev.slackinc.com/aaosdemo/Tutorials/tumors/2ndchondro/default.cfm

Section of Orthopedics Hyperguide Chondrosarcomas are malignant tumors that are derived from cartilage cells or their precursors. They can be primary chondrosarcomas (those that arrive from cartilage cells) or secondary to a pre-existing benign lesion. For instance, secondary chondrosarcomas include an osteochondroma, enchondroma in Ollier disease, and enchondroma in Maffucci syndrome.
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View Details Visit Resource Review It Rate It Bookmark It Added: Tue Mar 27 2007

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