A new case of the pilomatrixoma rare in the preauricular region and review of series of cases
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Universidade Federal de Minas Gerais
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Artigo de periódico
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Resumo
Pilomatrixoma is considered a rare benign tumor arising from the hair follicle, most common in the head and neck region, but it is
rarely diagnosed on a clinical basis. This report describes a new case of giant pilomatrixoma in a 36-year-old female patient. The
nodule was localized in the preauricular area on the right side, appearing as a slow-growing, fixed, painless, with a hardened
consistency, unusual giant (4.5 cm). A cone-beam computed tomography (CBCT) examination showed a slightly hyperdense
lesion, and fine-needle aspiration cytology (FNAC) revealed peripheral blood and mononucleated inflammatory cells. After
enucleation of lesion, a diagnosis of pilomatrixoma was confirmed. The differential diagnosis of pilomatrixoma is broad, because
its characteristics also can be found in other lesions common to the head and neck. Thus, a lesion in the head and neck, adherent to
the skin, and well demarcated, mainly in the young and in females, should be suspected as pilomatrixoma
Abstract
Assunto
Pilomatrixoma, Neoplasms, Head, Neck, Skin
Palavras-chave
Pilomatrixoma, Pilomatricoma, Calcifying epithelioma of Malherbe, Head and neck, Skin
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https://link.springer.com/article/10.1007/s10006-018-0724-8