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. 2023 Feb:137:106303.
doi: 10.1016/j.oraloncology.2022.106303. Epub 2023 Jan 2.

Malignant trichilemmal carcinoma misdiagnosed with parotid gland malignant tumor

Valentina Terenzi  1 , Salvatore Martellucci  2 , Fiorenza Dal Cortivo  3 , Andrea Stolfa  4 , Francesco Fiorentino  5 , Veronica Clemenzi  4 , Andrea Gallo  6 , Valentino Valentini  3 , Giulio Pagliuca  2
Affiliations

Malignant trichilemmal carcinoma misdiagnosed with parotid gland malignant tumor

Valentina Terenzi et al. Oral Oncol. 2023 Feb.

Abstract

Malignat proliferating trichilemmal tumor (MPTT) are rare tumors usually presenting in photo-exposed areas, especially on the face, scalp, neck,and dorsal part of the hand. Differential diagnosis include squamous cell carcinoma, basal-cell carcinoma, keratoacanthoma and malignant nodular melanoma, so that only incisional biopsy can lead to pre-operative diagnosis. We present case MPTT misdiagnosed with parotid gland malignant tumor that underwent radical surgical excision and adijuvant radiotherapy.

Keywords: Malignant proliferating trichilemmal tumor (MPTT); Parotid gland tumor; Parotidectomy.

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Conflict of interest statement

Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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