A Case of Recurred Malignant Proliferating Trichilemmal Tumor of the Scalp

ABSTRACT

PURPOSE: To report the case of recurred malignant proliferating trichilemmal tumor on scalp METHODS: Case report and literature review RESULTS: A 40-year-old man presented with a recurred malignant proliferating trichilemmal tumor, which developed on the occipital area. It was 8 x 9 x 4.5 cm in size, protruded, firm and non-tender mass. This tumor was widely excised including normal skin margin and pericranium. Immediate reconstruction using free latissimus dorsi muscle flap and skin graft were done. Histopathologic examination revealed abrubt, compact trichilemmal keratinization in the central area of lobular epithelial proliferation. CONCLUSION: There has been no recurrence of tumor during follow-up period of nine months without adjuvant chemotherapy or radiotherapy.