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Giant dermatofibrosarcoma protuberans head and neck: a diagnostic dilemma
Tashnin Rahman1, Anupam Das1, Sumanjit Boro2
1Department of Head and Neck Surgery, Dr. B. Borooah Cancer Institute, Guwahati, 781002 India.
Summary
Dermatofibrosarcoma protuberans (DFSP), a rare skin cancer, can present unusually in uncommon locations. Early diagnosis via histopathology and immunohistochemistry is crucial for effective surgical treatment.
Area of Science:
- Oncology
- Dermatology
- Surgical Pathology
Background:
- Dermatofibrosarcoma protuberans (DFSP) is a rare, slow-growing cutaneous neoplasm.
- DFSP typically affects the trunk and extremities, with head and neck involvement in only 10-15% of cases.
- Atypical presentations can mimic benign conditions, leading to diagnostic challenges.
Purpose of the Study:
- To highlight the diagnostic complexities of DFSP in uncommon anatomical sites.
- To emphasize the importance of histopathology and immunohistochemistry in diagnosing DFSP.
- To present case studies of DFSP in rare locations.
Main Methods:
- Review of clinical presentations and histopathological findings.
- Immunohistochemistry analysis for CD34 expression.
- Surgical case reporting.
Main Results:
- Histopathology revealed bland spindle cells in a subepithelial, whorled storiform pattern.
- Immunohistochemistry confirmed CD34 positivity, characteristic of DFSP.
- Two cases of DFSP in unusual locations were successfully diagnosed and managed.
Conclusions:
- DFSP can occur in atypical sites, presenting diagnostic challenges.
- Accurate diagnosis relies on histopathology and immunohistochemistry (CD34+).
- Surgical excision remains the primary treatment modality for DFSP.
