eISSN: 2084-9842
ISSN: 1643-9279
Postępy w chirurgii głowy i szyi/Advances in Head and Neck Surgery
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2/2023
vol. 22
 
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abstract:
Case report

Facial nerve schwannoma referred to the clinic as an endolymphatic sac tumor – case report

Filip Waśniewski
1
,
Bartosz Skulimowski
1
,
Marta Pietraszek
2
,
Julia Gawęcka
1
,
Andrzej Balcerowiak
2
,
Wojciech Gawęcki
2

  1. Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu
  2. Klinika Otolaryngologii i Onkologii Laryngologicznej, Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu
Postępy w Chirurgii Głowy i Szyi 2023; 2: 28–31
Online publish date: 2024/03/07
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Facial nerve schwannoma (neurilemmoma – FNS) is a benign, slowly growing tumor arising from the Schwann cells of the facial nerve sheath. Its most common symptom is progressive facial nerve palsy, but if it develops in the intratemporal region, it may also cause unilateral hearing loss. Another, much less common neoplasm that develops in the temporal bone is the endolymphatic sac tumor (ELST). In some cases of this tumor, facial nerve palsy is also observed, but dominant symptom of this tumor is unilateral, progressive hearing loss. Imaging play an important role in differentiating both neoplasms. This article presents a description of a 67-year-old patient operated on for a facial schwannoma, who was referred to a clinic with suspected endolymphatic sac tumor.
keywords:

facial nerve schwannoma, endolymphatic sac tumor, facial nerve palsy
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