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Perforating Fibrous Histiocytoma Mimicking Keratoacanthoma: A Case Report
Alina Lungu1, Aurélie Hsieh2, Gürkan Kaya1,2
1Department of Clinical Pathology, Geneva University Hospitals (HUG), 1205 Geneva, Switzerland.
Dermatopathology (Basel, Switzerland)
|January 22, 2024
Summary
A rare skin condition, perforating fibrous histiocytoma, presented as a persistent nodule. Histological analysis confirmed this rare variant of fibrous histiocytoma, marking the third reported case.
Area of Science:
- Dermatopathology
- Oncology
Background:
- Fibrous histiocytoma is a common skin neoplasm.
- Perforating fibrous histiocytoma is an extremely rare histopathologic variant.
- Keratoacanthoma is a common differential diagnosis for such lesions.

