chondrosarcoma

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chondrosarcoma

 [kon″dro-sahr-ko´ma]
a malignant tumor derived from cartilage cells or their precursors.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

chon·dro·sar·co·ma

(kon'drō-sar-kō'mă), [MIM*215300]
A malignant neoplasm derived from cartilage cells, occurring most frequently in pelvic bones or near the ends of long bones, in middle-aged and older people; most chondrosarcomas arise de novo, but some may develop in a preexisting benign cartilaginous lesion.
Farlex Partner Medical Dictionary © Farlex 2012

chondrosarcoma

A malignant mesenchymal tumour caused by the uncontrolled proliferation of chondroblasts. It is the second most common primary malignancy of bone after osteosarcoma and represents 25% of such lesions.

Epidemiology
Arise in the axial and proximal skeleton of adults and older people.

Clinical findings
Often asyptomatic initially; later, pain for months to years, swelling.

Imaging
MRI is the modality of choice; CT, plain films, show destructive, aggressive permeation of diaphysis by tumour.
 
DiffDx
Metastatic carcinoma, enchondroma, chondromyxoid fibroma.

Types
Clear cell, de-differented, extraskeletal mesenchymal, juxtacortical, mesenchymal, myxoid.

Prognosis
Grade 1, 88% 5-year survival; grade 3, 40% 5-year survival.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

chon·dro·sar·co·ma

(kon'drō-sahr-kō'mă)
A malignant neoplasm derived from cartilage cells.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

chondrosarcoma

A rare malignant tumour of the cartilaginous parts of bone affecting mainly the pelvis, ribs and breastbone (sternum) and causes a slowly expanding swelling. The outlook after surgical removal is usually favourable.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

chon·dro·sar·co·ma

(kon'drō-sahr-kō'mă) [MIM*215300]
A malignant neoplasm derived from cartilage cells.
Medical Dictionary for the Dental Professions © Farlex 2012
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