Korean J Radiol.  2007 Oct;8(5):452-455. 10.3348/kjr.2007.8.5.452.

Myxoid Chondrosarcoma of the Sinonasal Cavity in a Child: a Case Report

Affiliations
  • 1Department of Radiology, Kangnam St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea. saim@catholic.ac.kr
  • 2Department of Otolaryngology-Head and Neck Surgery, Kangnam St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.
  • 3Department of Clinical Pathology, Kangnam St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.

Abstract

Chondrosarcomas are malignant tumors of cartilage that rarely involve the sinonasal region, and myxoid chondrosarcoma is a rare histologic variant of chondrosarcoma that usually occurs in the soft tissue of extremities. Although several case reports and results of small series of chondrosarcomas in the sinonasal region in children are available, myxoid type chondrosarcoma is extremely rare. We recently experienced a case of low grade myxoid chondrosarcoma involving the sinonasal cavity in a 10-year-old boy, and here we report its radiologic-pathologic findings. In this case, chondroid calcification on CT and septal and marginal enhancement on MRI suggested a chondrosarcoma. Whole body PET-CT demonstrated no definite metastatic lesion and a low peak standardized uptake value primary tumor. However, no definite distinguishing imaging features were observed that distinguished low grade myxoid chondrosarcoma from conventional chondrosarcoma.

Keyword

Myxoid chondrosarcoma; Sinonasal cavity; Child; Computed tomography (CT); Magnetic resonance (MR); PET-CT

MeSH Terms

Bone Neoplasms/*diagnosis/radiotherapy/surgery
Child
Chondrosarcoma/*diagnosis/radiotherapy/surgery
Diagnosis, Differential
Follow-Up Studies
Humans
Magnetic Resonance Imaging
Male
Myxosarcoma/*diagnosis/radiotherapy/surgery
Nasal Cavity/*pathology/*radiography/surgery
Paranasal Sinuses/*pathology/*radiography/surgery
Positron-Emission Tomography
Rare Diseases
Tomography, X-Ray Computed
Whole Body Imaging
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