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  • Title: Malignant proliferating trichilemmal tumor of the scalp: a case report.
    Author: Trabelsi A, Stita W, Gharbi O, Kanani N, Sriha B, Korbi S.
    Journal: Dermatol Online J; 2008 Aug 15; 14(8):11. PubMed ID: 19061571.
    Abstract:
    BACKGROUND: Malignant proliferating trichilemmal tumor is a rare skin tumor that affects mainly older women. It mimicks differential squamous cell carcinoma and its biological behavior is unpredictable. OBJECTIVE: To report on a new case of malignant proliferating trichilemmal tumor of the scalp and to describe the clinical and histopathologic findings. METHODS: A tumor measuring 2 cm was surgically excised with a 0.5 cm conservative margin of normal tissue RESULTS: Based on the histopathologic findings of tumor, this case was diagnosed as proliferating trichilemmal tumor of the scalp. Eleven months after tumor resection, the patient is free of disease. CONCLUSION: Malignant proliferating trichilemmal tumor is a rare malignant lesion with an unpredictable biological behavior. After wide excision, long term clinical follow up of the patient for early diagnosis of metastases is judicious.
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