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Chapter-078 Management of Parapharyngeal Tumors

BOOK TITLE: Head & Neck Surgery (2 Volumes)

Author
1. Myers Eugene N
ISBN
9788184486797
DOI
10.5005/jp/books/10351_78
Edition
1/e
Publishing Year
2009
Pages
11
Author Affiliations
1. University of Pittsburgh, Pittsburgh, Pennsylvania, USA, University of Pittsburgh School of Medicine; The Eye & Ear Institute, Suite 500, Pittsburgh, Pennsylvania, USA, Eye and Ear Foundation; University of Pittsburgh School of Medicine, The Eye and Ear Institute, Pittsburgh, PA, USA
Chapter keywords
parapharyngeal tumors, parapharyngeal space, hyoid bone, pharyngeal wall, blood vessels, prestyloid pharyngeal space, parotid gland, pharynx

Abstract

This chapter discusses management of parapharyngeal tumors, where parapharyngeal space (PPS) is described as being an inverted triangle with its base at the base of the skull and the apex at the hyoid bone. Since two sides of the PPS are bone, tumors arising in the PPS expand along the path of least resistance towards the soft tissue of the pharyngeal wall displacing the wall and the tonsil and present as a mass in the pharynx. The prestyloid PPS contains the deep lobe of the parotid gland, adipose tissues, small blood vessels, lymphatics and minor nerves. The tumors of the prestyloid pharyngeal space are usually salivary gland in origin, where tumors arising in the poststyloid PPS are almost always neurogenic in origin. The signs and symptoms associated with tumors which arise in the PPS are numerous and depend both on the location within the PPS as well as the histological type.

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