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Cutaneous epithelioid angioleiomyoma with clear-cell change
Jian Ying Liu1, Song Lin Liao, Jie Zheng
1Department of Pathology, Health Science Center of Peking University, Beijing, China. liujianying@hsc.pku.edu.cn
The American Journal of Dermatopathology
|April 7, 2007
Summary
Epithelioid angioleiomyoma, a rare skin tumor, can present with clear-cell changes, challenging diagnosis. This tumor may represent an intermediate form between angioleiomyomas and glomus tumors.
Area of Science:
- Dermatopathology
- Surgical Pathology
- Oncology
Background:
- Epithelioid angioleiomyoma is an uncommon benign neoplasm typically found in the skin and subcutaneous tissues.
- This tumor is characterized by epithelioid smooth muscle cells and a prominent vascular component.
Observation:
- This report details an unusual case of epithelioid angioleiomyoma exhibiting significant clear-cell changes.
- The histological features included extensive clear-cell change, marked hyalinization, and calcification, complicating the differential diagnosis.
Findings:
- Immunohistochemical staining confirmed smooth muscle differentiation.
- The histological findings suggest that epithelioid angioleiomyoma may represent an intermediate entity linking angioleiomyomas and glomus tumors.
- The presence of clear-cell change adds complexity to the histological interpretation.
Implications:
- This case highlights the importance of considering epithelioid angioleiomyoma in the differential diagnosis of skin tumors with clear-cell morphology.
- Understanding the relationship between epithelioid angioleiomyoma and glomus tumors can aid in accurate diagnosis and classification.
- Further research into the spectrum of epithelioid angioleiomyoma may refine our understanding of smooth muscle neoplasms.
