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Title: Malignant proliferating trichilemmal cyst of the scalp: histological aspects and nosology. Author: Khaled A, Kourda M, Fazaa B, Kourda J, Ben Jilani S, Kamoun MR, Zermani R. Journal: Pathologica; 2011 Jun; 103(3):73-6. PubMed ID: 22007570. Abstract: BACKGROUND: Malignant proliferating trichilemmal cyst is a rare tumour usually located on the scalp of elderly women. About 40 cases of malignant proliferating trichilemmal tumour have been documented. CASE REPORT: We report a case of a malignant proliferating trichilemmal cyst of the scalp in a 57-year-old woman. On the vertex she had a voluminous vegetated and multinodular tumour measuring 7 x 5 cm with spontaneous and abundant bleeding, and another lesion of the scalp corresponding to a trichilemmal cyst. Based on histopathological findings, the case was diagnosed as malignant proliferating trichilemmal cyst. CONCLUSION: Diagnostic, clinicoprognostic and histological features of this tumour are discussed. Treatment is not yet standardized given its rarity.[Abstract] [Full Text] [Related] [New Search]