scholarly journals Facial Nerve Schwannoma: The Rare/Great Mimicker of Vestibular Schwannoma/Neuroma

Author(s):  
Deepthi Pathapati ◽  
Kiran Barla ◽  
Monal Dayal ◽  
Rajitha Gati ◽  
Praveen Kumar Lakota

AbstractSchwannomas are benign tumors arising from Schwann cells which are a protective casing of nerves, composing myelin sheath and can develop in any nerve where Schwann cells are present. Most common are vestibulocochlear nerve schwannomas. Facial nerve schwannomas (FNSs) are uncommon tumors involving seventh nerve of which geniculate ganglion involvement is most common. Clinical presentations and the imaging appearances of FNSs are influenced by the topographical anatomy of the facial nerve and vary according to the segments involved. We report a case of 73-year-old man presenting with right side facial weakness of lower motor neuron type involvement. Computed tomography and magnetic resonance imaging are clinching the diagnosis. An early diagnosis is important in containing the disease facilitating early surgical intervention.

Author(s):  
Suchina Parmar ◽  
Jai Lal Davessar ◽  
Gurbax Singh

<p class="abstract"><span lang="EN-IN">Schwannoma is a benign tumor arising from Schwann cells which is protective covering of nerves, called myelin sheath and can develop anywhere, where Schwann cells are present. Most common schwannomas are found with vestibulocochlear nerve. Facial nerve schwannoma are uncommon tumour involving 7th nerve out of which also most common site of involvement is geniculate ganglion. Facial nerve schwannoma is uncommon benign tumor. There are no typical patterns of presentation and can easily go untreated or misdiagnosed. Facial nerve palsy is most common mode of presentation. Here we present a case of 35 years male who presented with complaint of facial nerve paralysis. High degree of clinical suspicion and early imaging can lead to diagnosis. An early diagnosis is important as morbidity associated with this disease and as well as surgery leads to delay in diagnosis.</span></p>


2021 ◽  
Vol 14 (1) ◽  
pp. e239407
Author(s):  
Stuti Chowdhary ◽  
Saranya Thangavel ◽  
Sivaraman Ganesan ◽  
Arun Alexander

Schwannomas of the eighth nerve are common, usually found in syndromic association with neurofibromatosis-2. The occurrence of seventh nerve schwannoma, especially in its extratemporal course, is very rare. Here, we present a case report of an extratemporal facial nerve schwannoma diagnosed preoperatively with cytopathology and postoperative histopathologic confirmation. Histopathology provides the confirmatory diagnosis in such cases. An atypical diagnosis of neural schwannomas should be kept in mind when facial palsy is clinically encountered in the absence of any other aetiological factors.


2016 ◽  
Vol 2016 ◽  
pp. 1-4 ◽  
Author(s):  
Murat Damar ◽  
Aykut Erdem Dinç ◽  
Sultan Şevik Eliçora ◽  
Sultan Bişkin ◽  
Gül Erten ◽  
...  

Facial nerve schwannomas (FNS) are encapsulated benign tumors arising from Schwann cells of seventh cranial nerve. Most of the facial nerve schwannomas are localized in intratemporal region; only 9% of cases involve a portion of the extratemporal segment. Preoperative diagnosis is often unclear; diagnosis is often made intraoperatively. Management of intraparotid FNS is troublesome because of the facial nerve paralysis. In this report we presented a case of intraparotid schwannoma in a 55-year-old male patient complaining of a painless mass without peripheral facial nerve palsy in left parotid gland. Clinical features, preoperative and intraoperative diagnosis, and difficulties during management are discussed with the review of the literature.


2011 ◽  
Vol 2 (2) ◽  
pp. 103-108 ◽  
Author(s):  
Deepa Nair ◽  
Prathamesh S Pai ◽  
Shawn T Joseph ◽  
Aliasgar V Moiyadi

ABSTRACT Facial nerve schwannomas are rare conditions which can mimic many other conditions. A series of patients with facial nerve schwannomas were treated in our department, all of whom had a delay in diagnosis resulting in a significant morbidity. This prompted us to present this rare case series of schwannomas along different segments of facial nerve and also review the literature on such tumors—the different presentations, work-up issues in management and rehabilitation. A wide text and PubMed English literature-based search was done on the existing literature on facial nerve schwannomas and the summary presented. Facial nerve schwannomas can have multiple clinical presentations with or without a facial paresis. Only a high degree of clinical suspicion and early imaging can lead to this diagnosis. An early diagnosis of facial nerve schwannoma is important as the morbidity associated with the condition as well as the surgery increases with the delay in diagnosis.


Author(s):  
Michael J. Klebuc ◽  
Amy S. Xue ◽  
Paul A. Niziol ◽  
Andres F. Doval

Abstract Introduction Fascia lata and tendon grafts are frequently utilized to support the paralyzed midface and to extend muscular reach in McLaughin style, orthodromic temporalis transfers. The grafts are frequently placed in a deep subcutaneous positioning that can lead to the development of a, bowstring deformity in the cheek. This paper describes insertion of tendon grafts into the midfacial corridor collectively formed by the buccal, submasseteric and superficial temporal spaces. Methods Over a seven-year period, all patients that underwent insertion of facia lata and tendon grafts in the midfacial corridor were included. Demographic information, perioperative variables and clinical outcomes were collected and analyzed. Results A total of 22 patients were included with a mean age of 64.3 years (33–86). There were multiple etiologies for the facial weakness including acoustic neuroma (9.1%), Bell's palsy (13.6%), facial nerve schwannoma (9.1%), temporal bone fracture (4.6%) and malignancy (22.7%). Midfacial corridor grafts were utilized in combination with nerve transfers (V-VII and XII-VII) in nine patients, McLaughin style temporalis transfers in 12 and as a standalone procedure in one individual. During the study period, no patients exhibited a tethering, or concave deformity in the midface. Additionally, no impingement, difficulties with mastication, parotitis or hematoma were encountered. One patient developed a postoperative infection, that was successfully managed. Conclusion Placement of tendon or fascia grafts for static support or tunneling of an orthodromic temporalis transfer through the midfacial corridor can be performed rapidly while providing midfacial support and avoiding the creation of visible cutaneous deformities.


Skull Base ◽  
2007 ◽  
Vol 17 (S 1) ◽  
Author(s):  
E. Sauvaget ◽  
J. Cornelius ◽  
R. Kania ◽  
P. Herman ◽  
P. Tran Ba Huy

2013 ◽  
Vol 64 (6) ◽  
pp. 444-446
Author(s):  
Eduardo A. Mena-Domínguez ◽  
José I. Benito-Orejas ◽  
Darío Morais-Pérez ◽  
María A. Álvarez-Quiñones

Author(s):  
Sharon L. Cushing ◽  
Joel Fluss ◽  
Pamela Cooper ◽  
Jiri Vasjar ◽  
Manohar Shroff ◽  
...  

2021 ◽  
pp. 014556132110412
Author(s):  
Adamantios Kilmpasanis ◽  
Nikolaos Tsetsos ◽  
Alexandros Poutoglidis ◽  
Aikaterini Tsentemeidou ◽  
Sotiria Sotiroudi ◽  
...  

Significance Statement Facial nerve schwannoma is extremely uncommon. Despite its rarity, it is considered the most common facial nerve tumor and potentially affects any segment of the nerve. Presenting symptoms vary depending on the location of the neoplasm. Tumors pertaining to the extratemporal course of the nerve mainly appear as an asymptomatic parotid mass. We present a rare case of schwannoma of the zygomatic branch of the right facial nerve that was surgically resected, without facial nerve injury.


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