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Schwannoma

Columellar schwannoma

October 1, 2009  |  Taylor Tidmore, MD, Karen H. Calhoun, MD, Scot Hirschi, MD, and Ronald Miick, MD

Abstract

Schwannomas of the nose or paranasal sinuses are very rare. In fact, only 19 cases of schwannoma of the nasal septum have been reported in the otolaryngology literature. In all of those cases, only the cartilaginous or bony septum was involved. To the best of our knowledge, no...

Intraparotid facial nerve schwannoma: Clinician beware

August 1, 2009  |  Neil Tanna, MD, MBA, Philip E. Zapanta, MD, Leela Lavasani, MD, and Nader Sadeghi, MD

Abstract

Intraparotid facial nerve schwannomas are rare neoplasms that are challenging to diagnose and manage. Many patients present with a painless, palpable facial mass. The presence of facial paralysis is variable. Imaging studies and fine-needle aspiration cytology are not always...

A facial nerve schwannoma masquerading as a vestibular schwannoma

September 1, 2008  |  Amit Prasai, MRCS, Stephen E.M. Jones, FRCS (ORL-HNS), Justin Cross, MRCP, FRCR, and David A. Moffat, MA, FRCS

Abstract

Schwannoma of the facial nerve is an extremely rare condition with an incidence far lower than that of vestibular schwannoma. We discuss the case of a woman who had been diagnosed as having vestibular schwannoma and referred to our hospital. Initially, we concurred with the...

Auditory brainstem response threshold differences in patients with vestibular schwannoma: A new diagnostic index

August 1, 2008  |  Matthew L. Bush, MD, Raleigh O. Jones, MD, and Jennifer B. Shinn, PhD

Abstract

Auditory brainstem response (ABR) testing is less sensitive in detecting small vestibular schwannomas than medium-size tumors. Magnetic resonance imaging (MRI) is more sensitive than ABR alone for small and large tumors, but it carries with it increased cost and issues of...

Vocal fold paralysis secondary to a jugular foramen schwannoma

October 1, 2007  |  Enrique Palacios, MD, FACR

Vocal fold paralysis can be caused by deficits in the superior laryngeal nerve, recurrent laryngeal nerve, or the complete vagal nerve. When it occurs, the radiologist should examine the neck for the presence of a lesion along the course of the vagus nerve (cranial nerve X), which passes through...

Paranasal sinus melanoma masquerading as chronic sinusitis and nasal polyposis

September 1, 2007  |  Brian Kung, MD; Geoffrey R. Deschenes, BA; William Keane, MD; Mary Cunnane, MD; Marie-Paule Jacob-Ampuero, MD; Marc Rosen, MD
Abstract
Malignant melanoma of the nose and paranasal sinuses can be a devastating disease, typically presenting at an...

Transcranial trigeminal schwannoma

September 1, 2007  |  Daniel H. Coelho, MD; Nilesh Vasan, MD, FRACS

A 51-year-old man fell while hiking and sustained a mild concussion and a fractured lower leg. Computed tomography (CT) of the head detected no intracranial pathology, but it did incidentallyshow a mass in the right infratemporal fossa. 

Schwannoma of the tonsil

June 1, 2007  |  Byung-Joo Lee, MD, PhD; Soo-Geun Wang, MD, PhD; Jin-Choon Lee, MD, PhD; Il-Woo Lee, MD, PhD
Abstract

Between 25 and 48% of schwannomas have been reported to occur in the head and neck region; the acoustic nerve is...

Schwannoma of the nasal cavity

April 1, 2007  |  Amee Dharia, MD; Collin S. Karmody, MD; Elie E. Rebeiz, MD, FACS
 

Facial nerve schwannoma presenting as a tympanic mass

June 1, 2006  |  Sejal P. Sarolia, BS; Christopher J. Danner, MD; Eren Erdem, MD

Inferior turbinate schwannoma: Report of a case

June 1, 2006  |  Riad Khnifies, MD; Milo Fradis, MD; Alexander Brodsky, MD; Jacob Bajar, MD; Michal Luntz, MD
Abstract
Schwannomas of the nasal cavity are extremely rare. We evaluated a 42-year-old woman who presented with a 4-year...

Schwannoma of the true vocal fold: A rare diagnosis

January 1, 2006  |  Jennifer Taylor, BS; Marc Stiefel, MD; Steven Y. Park, MD
Abstract
Schwannomas of the larynx are rare, benign, slowly growing tumors. When they do occur, they are most often...

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