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[Malignant pilomatrixoma of the face]
V Carbonaro1, F Pietribiasi, A Penno
1Servizio di Anatomia ed Istologia Patologica, Ospedale S. Croce, Moncalieri.
Summary
Malignant pilomatricoma is a rare skin neoplasm. Surgical excision and monitoring are crucial for managing this condition, which has a low malignancy but can recur or metastasize.
Area of Science:
- Dermatology
- Oncology
- Pathology
Background:
- Malignant pilomatricoma is an exceptionally rare skin neoplasm.
- Only 36 cases have been documented globally, with a few occurring in the head and neck region.
Observation:
- A case of malignant pilomatricoma in the right preauricular region of a 66-year-old woman is presented.
- Diagnostic challenges include differentiating it from benign pilomatricoma, various skin cancers, parotid masses, and cysts.
Findings:
- Histological examination is definitive for diagnosing malignant pilomatricoma.
- Despite a low degree of malignancy, it exhibits a propensity for local recurrence and distant metastasis.
- The presented case underwent surgical excision and remains disease-free for 67 months.
Implications:
- Early and accurate diagnosis, primarily through histology, is vital.
- Aggressive surgical excision followed by vigilant surveillance is the recommended treatment approach.
- This case highlights successful long-term management of a rare malignancy.