Paraganglioma classification: Difference between revisions

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Revision as of 19:09, 28 August 2015

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Classification

According to the World Health Organization, paragangliomas are classified as having a neural cell line of origin. In the categorization proposed by Wick, the paragangliomas belong to Group II.

Paragangliomas are also described by their site of origin and are often given special names:

Carotid paragangliomas
Glomus tympanicum and Glomus jugulare paragangliomas
Vagal paragangliomas
Other sites such as larynx, nasal cavity, paranasal sinuses, thyroid gland, thoracic inlet, as well as the bladder in extremely rare cases.

References

Template:Epithelial neoplasms

Template:WikiDoc Sources

@@ Line 9: / Line 9: @@
 Paragangliomas are also described by their site of origin and are often given special names:
-* '''Carotid paraganglioma''': ([[carotid body]] tumor): Is the most common of the head and neck paragangliomas.  It usually presents as a painless neck mass, but larger tumors may cause cranial nerve palsies, usually of the [[vagus nerve]] and [[hypoglossal nerve]].
+* '''Carotid paragangliomas'''
+* '''Glomus tympanicum''' and '''Glomus jugulare''' paragangliomas
-* '''Glomus tympanicum''' and '''Glomus jugulare''': Both commonly present as a middle ear mass resulting in [[tinnitus]] (in 80%) and hearing loss (in 60%).  The cranial nerves of the [[jugular foramen]] may be compressed, resulting swallowing difficulty.  These patients present with a reddish bulge behind an intact ear drum.  This condition is also known as the "Red drum".  On application of pressure to the external ear canal with the help of a pneumatic ear speculum the mass could be seen to blanch.  This sign is known as "Brown's sign".
+* '''Vagal paragangliomas'''
+* '''Other sites''' such as [[larynx]], nasal cavity, paranasal sinuses, [[thyroid]] gland, [[thoracic inlet]], as well as the bladder in extremely rare cases.
-* '''Vagal paragangliomas''': These are the least common of the head and neck paragangliomas.  They usually present as a painless neck mass, but may result in [[dysphagia]] and hoarseness.
-* '''Other sites''': Rare sites of involvement are the [[larynx]], nasal cavity, paranasal sinuses, [[thyroid]] gland, and the [[thoracic inlet]], as well as the bladder in extremely rare cases.
 ==References==
 {{reflist|2}}
 {{Epithelial neoplasms}}
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 {{WikiDoc Sources}}
 [[Category:Disease]]
 [[Category:Types of cancer]]
 [[Category:Mature chapter]]

Paraganglioma classification: Difference between revisions

Revision as of 19:09, 28 August 2015

Overview

Classification

References

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