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Temporal Bone

A unique manifestation of Langerhans cell histiocytosis: Diagnostic and therapeutic considerations of atypical cases

April 30, 2018  |  Judit Kálmán, MD; Tamás Horváth, MD, PhD; Bálint Liktor, MD; Balázs Liktor, MD, PhD


Langerhans cell histiocytosis (LCH) is regarded as a clonal disease, usually carrying the activating BRAF mutation V600E. Although LCH theoretically may affect all types of human tissue and typically appears during childhood, temporal bone involvement in adult...

Primary melanoma of the petrous temporal bone

July 21, 2015  |  Jonathan L. McJunkin, MD; Richard J. Wiet, MD, FACS


Melanoma is a malignant tumor of melanocytes that is predominantly found in the skin. In rare cases, it arises from mucosal melanocytes. We describe a case of a solitary melanoma of the petrous apex of the temporal bone in a 67-year-old woman who presented with sudden hearing...

Chronic discharging ear and multiple cranial nerve pareses: A sinister liaison

April 28, 2015  |  Mainak Dutta, MS; Dipankar Mukherjee, MS; Subrata Mukhopadhyay, MS

SCC of the temporal bone might well represent the extreme of the “inflammation-metaplasia-dysplasia-carcinoma” sequence, with chronic otitis media representing the inflammation.

Osteoradionecrosis of the temporal bone

January 19, 2015  |  Edmund W. Lee, BA; Robert W. Jyung, MD

The pathogenesis of osteoradionecrosis is not completely understood, but it has been thought that radiation causes tissues to become hypoxic, hypovascular, and hypocellular, leading to tissue breakdown and a nonhealing wound.

Temporal bone chondrosarcoma: Presentation of 4 cases and review of the literature

December 19, 2014  |  Duoduo Tao, MD; Matthew R. Hoffman, MD; Bing Chen, MD, PhD

We describe 4 cases of chondrosarcoma of the temporal bone, which occurred in a 66-year-old man and in 3 women aged 34, 37, and 47 years. One of these patients was originally diagnosed with an epithelial cyst and another with a middle ear neoplasm. Three patients underwent surgical removal of...

Facial nerve palsy associated with a cystic lesion of the temporal bone

March 19, 2014  |  Na Hyun Kim, MD; Seung-Ho Shin, MD


Facial nerve palsy results in the loss of facial expression and is most commonly caused by a benign, self-limiting inflammatory condition known as Bell palsy. However, there are other conditions that may cause facial paralysis, such as neoplastic conditions of the facial nerve...

Acquired cholesteatoma presenting as a pars squamosa temporal bone mass

February 12, 2014  |  Christopher Vanison, MD; Eric M. Jaryszak, MD, PhD; Amanda L. Yaun, MD; and Diego A. Preciado, MD, PhD


Acquired cholesteatomas typically arise in the middle ear and mastoid cavities; they rarely present elsewhere. We describe a case of acquired cholesteatoma that presented as a large mass of the pars squamosa of the temporal bone in a 16-year-old girl. The mass was surgically...

How to approach a bilobed petrous apex granuloma: A case report

January 21, 2014  |  Aaron G. Benson, MD


Cholesterol granulomas are the most common lesions involving the petrous apex. However, they are still an uncommon finding overall, and they often remain undiagnosed until they have become extremely large and symptomatic. Many surgical approaches to the petrous apex exist....

Bilateral posterior semicircular canal dehiscence in the setting of Hallermann-Streiff syndrome

September 7, 2012  |  John C. Goddard, MD; Eric R. Oliver, MD; Ted A. Meyer, MD, PhD


Hallermann-Streiff syndrome, also known as oculomandibulofacial syndrome, is a rare congenital disorder affecting growth and cranial, dental, ocular, pilocutaneous, and mental development. In addition to routine audiologic testing in patients with...

Middle fossa repair of bilateral large congenital tegmental defects with meningoencephaloceles

June 4, 2012  |  Anil Joshi, MS(ENT), MRCS; Wendy Smith, FRCS(ORL–HNS); David A. Moffat, FRCS


Spontaneous temporal meningoencephaloceles are unusual. When they do occur, they present with a variety of signs and symptoms, which can make diagnosis and management challenging. We report the interesting case of a 49-year-old woman with bilateral...

Primary acquired cholesteatoma

May 1, 2012  |  Joseph A. Ursick, MD; Jose N. Fayad, MD

Cholesteatomas are believed to form as the result of poor eustachian tube function with resultant tympanic membrane retraction and a lack of normal epithelial migration.

Extraorbital pseudotumor of the petrous apex: Biopsy via a transnasal endoscopic approach

April 1, 2012  |  Jeffrey J. Nelson, MD and Parul Goyal, MD


Extraorbital idiopathic pseudotumors of the skull base are very uncommon. We report the case of a 50-year-old woman who presented with left ophthalmoplegia and vision loss. Imaging studies revealed an enhancing lesion involving the left petrous apex and cavernous sinus. A...


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