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Cutaneous Ancient Schwannoma of the Ear
Author(s) -
Sofia AntunesDuarte,
Pablo Espinosa Lara,
Marta Aguado Lobo,
Tiago Oliveira,
Ana Fraga,
Dolores LópezPresa,
Luís SoaresdeAlmeida,
Paulo Filipe
Publication year - 2021
Publication title -
journal of the portuguese society of dermatology and venereology
Language(s) - English
Resource type - Journals
eISSN - 2182-2409
pISSN - 2182-2395
DOI - 10.29021/spdv.79.2.1312
Subject(s) - schwannoma , dermis , nodule (geology) , medicine , pathology , anatomy , histopathological examination , asymptomatic , nerve sheath , histology , biology , paleontology
Schwannoma is a benign encapsulated nerve sheath tumor composed of Schwann cells, that may arise anywhere along the course of a nerve. Cutaneous schwannomas, associated with peripheral nerves, usually present as a slow-growing well-circumscribed nodule, localized in the dermis or subcutaneous tissue. They are generally asymptomatic; however, they may become painful by the nervous compression. Since the clinical signs are non-specific, histology is required for a definitive diagnosis. Herein, we present a case of a solitary cutaneous ancient schwannoma of the ear, a histopathological variant of schwannoma with distinctive morphological characteristics.

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