Malignant degeneration of an osteochondroma with unusual intra-bursal invasion.
Multiple hereditary osteochondromatosis is an uncommon autosomal dominant condition in which patients are predisposed to the development of chondrosarcoma. We report a case of a patient who developed a secondary low-grade chondrosarcoma in this setting. The tumor was associated with an unusual multinodular invasive growth pattern into a pre-existing bursa that was present overlying the osteochondroma.
Martin
C
C
Department of Radiology, Vancouver General Hospital (VH&HSC), University of British Columbia, 855 W. 12th Avenue, Vancouver, BC V5Z 1M9, Canada.
Munk
P L
PL
O'Connell
J X
JX
Lee
M J
MJ
Masri
B
B
Wambeek
N
N
D000328:Adult; D002061:Bursa, Synovial / Q000473:pathology; D002813:Chondrosarcoma / Q000175:diagnosis* / Q000473:pathology; D005097:Exostoses, Multiple Hereditary / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D009361:Neoplasm Invasiveness; D012782:Shoulder; D012983:Soft Tissue Neoplasms / Q000175:diagnosis* / Q000473:pathology; D014057:Tomography, X-Ray Computed