Abstract
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.
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Special thanks to Professor Brad Neville for the English stile review and advise during the diagnostic process.
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Pinheiro, T.N., Fayad, F.T., Arantes, P. et al. A new case of the pilomatrixoma rare in the preauricular region and review of series of cases. Oral Maxillofac Surg 22, 483–488 (2018). https://doi.org/10.1007/s10006-018-0724-8
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DOI: https://doi.org/10.1007/s10006-018-0724-8