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Schwannoma

Schwannoma of the cervical esophagus: Report of 2 cases and a review of the literature

September 21, 2015  |  Yu-Long Wang, MD; Jian-Guang Sun, MD; Jian Wang, MD; Wen-Jun Wei, MD; Yong-Xue Zhu, MD; Yu Wang, MD; Guo-Hua Sun, MD; Kuan Xu, MD; Hui Li, MD; Ling Zhang, MD; Qing-Hai Ji, MD

Abstract

Schwannomas of the cervical esophagus are extremely rare, as fewer than a dozen reports have been published in the literature. Therefore, their clinical characteristics and management have not been definitively elucidated. We report 2 cases of cervical esophageal schwannoma (...

Surgical resection of cervical schwannoma and paraganglioma: Speech and swallowing outcomes

August 27, 2015  |  Noah P. Parker, MD; Noel Jabbour, MD; Amy Anne Lassig, MD; Bevan Yueh, MD, MPH; Samir S. Khariwala, MD

Abstract

We conducted a retrospective study (1999 to 2009) at our tertiary care institution to evaluate speech and swallowing outcomes after the resection of cervical schwannoma or paraganglioma. Of 6 patients treated for schwannoma, 5 (83.3%) had immediate dysphonia and dysphagia. All...

Base of tongue schwannoma

August 27, 2015  |  Gautam Bir Singh, MS; Rubeena Arora, MS; Sunil Garg, MS, DNB; Kiran Aggarwal, MD

On T1-weighted MRI, these lesions appear hypointense or isointense relative to the tongue muscle.

Plexiform schwannoma of the posterior pharyngeal wall in a patient with neurofibromatosis 2

March 2, 2015  |  Luca Raimondo, MD; Massimiliano Garzaro, MD; Jasenka Mazibrada, MD, PhD; Giancarlo Pecorari, MD; Carlo Giordano, MD

Abstract

We report a case of plexiform schwannoma of the posterior pharyngeal wall that occurred in a 37-year-old man who had been previously diagnosed with neurofibromatosis type 2 (NF2). Plexiform schwannoma has been rarely reported in association with NF2. Moreover, as far as we know...

Contralateral hearing loss after vestibular schwannoma excision: A rare complication of neurotologic surgery

January 19, 2015  |  Robert H. Deeb, MD; Jack P. Rock, MD; Michael D. Seidman, MD, FACS

Abstract

We report a rare case of contralateral hearing loss after vestibular schwannoma excision in a 48-year-old man who underwent surgery via a suboccipital approach for removal of a nearly 2-cm lesion involving the right cerebellopontine angle. Postoperatively, the patient awoke...

Acoustic neuroma: An investigation of associations between tumor size and diagnostic delays, facial

August 28, 2014  |  Marc Olshan, MD, MBA; Visish M. Srinivasan, MD; Tre Landrum, DO; Robert T. Sataloff, MD, DMA, FACS

Abstract

We conducted a retrospective case review to ascertain the clinical characteristics associated with acoustic neuromas and their treatment. Our study population was made up of 96 patients-41 men and 55 women, aged 17 to 84 years (mean: 54)-who had undergone treatment for acoustic...

Nasal vestibule schwannoma: Report of a rare case

June 9, 2014  |  Ismail Fadzilah, MSurg(ORL-HNS); Husain Salina, MSurg(ORL-HNS); Baharudin Khairuzzana, MSurg(ORL-HNS); Omar Rahmat, MSurg(ORL-HNS); SHA Primuharsa Putra, MSurg(ORL-HNS)

Abstract

Schwannomas of the nasal cavity and paranasal sinuses are quite rare, especially in the nasal vestibule. We report the case of a 61-year-old woman who presented with a 2-month history of progressively worsening right-sided epistaxis and nasal blockage. Rigid nasoendoscopy...

Laryngeal schwannoma presenting as a pedunculated mass in the glottis

March 19, 2014  |  Hideki Nakagawa, MD; Naoyuki Kohno, MD; Toshiyuki Kusuyama, MD; Hiroyuki Fukuda, MD

This is the first case of laryngeal schwannoma that presented as a pedunculated tumor arising from the true vocal fold.

Schwannoma of the nasal septum: An unusual finding

March 19, 2014  |  Shruti Dhingra, MS, DNB; Jaimanti Bakshi, MS, DNB; Satyawati Mohindra, MS, DNB

Abstract

Schwannomas of the nasal cavity are rare benign tumors, and those that arise from the nasal septum are even rarer. When they do occur, they usually become symptomatic early because of the close confines of the nasal cavity. We describe a case of nasal septal schwannoma that was...

Pediatric cervical sympathetic chain schwannoma with Horner syndrome: A rare case presentation

March 19, 2014  |  Sanjeev Bhagat, MS; Saurabh Varshney, MS; Sampan S. Bist, MS; and Nitin Gupta, MS

Abstract

Schwannomas are rare, benign, slowly growing neurogenic tumors that originate in peripheral, spinal, or cranial nerves other than the optic and olfactory nerves. In the head and neck, these tumors usually arise from the vagus nerve and the cervical sympathetic chain in the...

Delayed recovery of speech discrimination after fractionated stereotactic radiotherapy for vestibular schwannoma in neurofibromatosis 2

February 12, 2014  |  Michael Hoa, MD; Eric P. Wilkinson, MD; and William H. Slattery III, MD

Abstract

Hearing loss commonly occurs after radiation therapy for an acoustic neuroma, and it is highly unusual for hearing to return after a prolonged period of time. We report the case of a 12-year-old boy with neurofibromatosis 2 who underwent fractionated stereotactic radiotherapy...

Intrapharyngeal schwannoma in a pediatric patient

June 12, 2013  |  Nader Nassif, MD; Mariaelisabetta Cottelli, MD; Davide Farina, MD; and Marco Berlucchi, MD

Abstract

Schwannomas are benign peripheral nerve neoplasms that arise from Schwann cells. They usually occur in the adult population. The most common site in the head and neck region is the parapharyngeal space. Intrapharyngeal schwannomas are extremely rare, and those that have been...

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