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T Upile, W Jerjes, F Sipaul, A Sandison, P Kafas, M Al-Khawalde and H Radhi
Abstract
Although pilomatrixomas are frequently encountered by dermatologists and pathologists in the differential diagnosis of head and neck lesions, this is not usually the case among head and neck surgeons. A pilomatrixoma (calcifying epithelioma of Malherbe) is a benign tumour of the hair matrix cells. Histologically it is characterised by the presence of ghost cells, basophilic cells and foreign body cells. It may sometimes be difficult to histologically distinguish it from its malignant counterpart, the pilomatrix carcinoma. We report an interesting case of an ulcerated pilomatrixoma of the pinna in a middle-aged Caucasian female.
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Concepts
Oncology, Head and neck anatomy, Hospital, Differential diagnosis, Benign tumor, Anatomical pathology, Cancer, Medical terms
MeSH headings
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