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Extraskeletal myxoid chondrosarcoma arising in the finger
Sumika Okamoto1, Kazuo Hara, Shusuke Sumita
1Department of Pathology and Oncology, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu 807-8555, Japan.
Skeletal Radiology
|May 1, 2002
Summary
Extraskeletal myxoid chondrosarcoma (EMCS), a rare soft tissue tumor, can uncommonly appear in the finger. Molecular detection of the EWS-CHN/TEC fusion gene aids in diagnosing this unusual presentation.
Area of Science:
- Oncology
- Molecular Pathology
- Genetics
Background:
- Extraskeletal myxoid chondrosarcoma (EMCS) is a rare malignant soft tissue neoplasm.
- Typically, EMCS presents in deep soft tissues of the proximal extremities and limb girdles.
Observation:
- This report details an exceptionally rare case of EMCS originating in a finger.
- The clinical presentation was atypical for this type of sarcoma.
Findings:
- Diagnosis was confirmed through molecular analysis.
- A characteristic EWS-CHN/TEC fusion gene transcript was identified, specific to EMCS.
Implications:
- Molecular detection of specific fusion genes is crucial for diagnosing EMCS.
- This technique is particularly valuable for cases with unusual clinicopathological features.
- Enhances diagnostic accuracy for rare soft tissue sarcomas.