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Case Reports
. 2020 Jan 20:9:S2239253X20031448.

Ancient schwannoma mimicking a carotid body tumor A case report and review of the literature

  • PMID: 31957705
Case Reports

Ancient schwannoma mimicking a carotid body tumor A case report and review of the literature

Roberta Garbuglio et al. Ann Ital Chir. .

Abstract

Ancient Schwannoma is a type of peripheral neurogenic tumor formed by the Schwann cells presenting mainly as a benign and asymptomatic lesion. The neurilemmoma tumor appears in different sites and, in cases of cervical location, can mimic a carotid body tumor. Herein we describe a clinical case of a 51-year-old woman with latero-cervical swelling. A contrast-enhanced computed tomography scan revealed a classical wineglass image mimicking a carotid body tumor. During surgery the tumor appeared connected to the cervical sympathetic trunk without carotid involvement. The histological exam confirmed the nature of the mass which consisted of an ancient schwannoma. A subsequent systematic review of the literature on ancient schwannoma incidence and treatment confirms it being a benign and rare lesion primarily treatable with open surgery. KEY WORDS: Ancient Schwannoma, Carotid body tumor, Carotid artery, Vascular surgery.

L’ancient schwannoma è un tumore che origina dalle cellule di Schwann presenti nella guaina dei nervi periferici. Si presenta solitamente come lesione benigna ed asintomatica. Questo tipo di tumore può essere riscontrato in differenti sedi, e nei casi in cui si localizza a livello cervicale, tale lesione può apparire come un tumore del glomo carotideo. Descriviamo in questo articolo un caso clinico di una donna di 51 anni con una tumefazione latero-cervicale. La TC preoperatoria mostrava la classica immagine “wineglass”, a calice, tipica del tumore del glomo carotideo con divaricazione della biforcazione carotidea. Durante l’intervento chirurgico la lesione sembrava adesa alla catena cervicale del simpatico senza coinvolgimento dei vasi carotidei. L’esame istologico ha confermato che tale massa era uno schwannoma del tipo “ancient”. Infine abbiamo effettuato una revisione sistematica della letteratura sull’incidenza e il trattamento dell’ancient schwannoma, confermando quest’ultima come una lesione benigna e rara, trattabile preferibilmente con la chirurgia aperta.

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