Unusual maxillary chondrosarcoma

September 7, 2012
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Imaging Clinic

Chondrosarcomas can be distinguished from osteosarcomas because they have the distinction of producing chondroid (cartilaginous matrix) but not osteoid. When they occur in the head and neck, they usually are found in the anterior maxilla and sinonasal structures 

     A 72-year-old man presented with a 3-month history of a painful, nonhealing sore on his left upper gingiva. Computed tomography (CT) without contrast demonstrated a well-defined 2.1 × 1.8-cm expansile mass arising from the posterolateral wall of the left maxillary sinus, anterolateral to the base of the pterygoid plate (figure, A). Subsequent magnetic resonance imaging (MRI) showed that the mass was heterogeneously enhancing (figure, B, C, and D).

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CitationEar Nose Throat J. 2012 September;91(9):355-359