Nasopharyngeal carcinoma classification: Difference between revisions
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==Classification== | ==Classification== | ||
World Health Classification (2005) for NPC:{{cite book | last = Barnes | first = Leon | title = Pathology and genetics of head and neck tumours | publisher = IARC Press | location = Lyon | year = 2005 | isbn = 978-92-832-2417-4 }} | |||
World Health Classification (2005) for NPC | |||
{| class="wikitable" | {| class="wikitable" | ||
! Classification | ! Classification | ||
! Former name | ! Former name | ||
! EBV | ! EBV | ||
! Prevalence | ! Prevalence | ||
| Line 16: | Line 14: | ||
|- | |- | ||
| Keratinizing | | Keratinizing | ||
|Type 1, squamous cell | |Type 1, squamous cell carcinoma | ||
carcinoma | |||
| -ve | | -ve | ||
| | |almost 1/4 of NPC cases | ||
| poor | | poor | ||
|- | |- | ||
| Nonkeratinizing, differentiated | | Nonkeratinizing, differentiated | ||
|Type 2, transitional | |Type 2, transitional carcinoma | ||
carcinoma | |||
| +ve | | +ve | ||
| | |less than 1/6 of NPC cases | ||
| good | | good | ||
|- | |- | ||
| Nonkeratinizing, undifferentiated | | Nonkeratinizing, undifferentiated | ||
|Type 3, | |Type 3, lymphoepithelial carcinoma | ||
lymphoepithelial | |||
carcinoma | |||
|<nowiki>+ve</nowiki> | |<nowiki>+ve</nowiki> | ||
| most common | | most common | ||
| | |good | ||
|- | |- | ||
| Basaloid squamous cell carcinoma (BSCC) | | Basaloid squamous cell carcinoma (BSCC) | ||
| | | | ||
| | | | ||
| least common | | least common | ||
| | |poor | ||
|} | |} | ||
Revision as of 16:44, 19 February 2019
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Nasopharyngeal carcinoma Microchapters |
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Differentiating Nasopharyngeal carcinoma from other Diseases |
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Diagnosis |
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Treatment |
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Case Studies |
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Nasopharyngeal carcinoma classification On the Web |
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American Roentgen Ray Society Images of Nasopharyngeal carcinoma classification |
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Risk calculators and risk factors for Nasopharyngeal carcinoma classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Homa Najafi, M.D.[2]Faizan Sheraz, M.D. [3]
Overview
Nasopharyngeal carcinoma may be classified according to microscopic features into 3 subtypes: keratinizing squamous cell carcinoma, nonkeratinizing carcinoma, and undifferentiated type.
Classification
World Health Classification (2005) for NPC:Barnes, Leon (2005). Pathology and genetics of head and neck tumours. Lyon: IARC Press. ISBN 978-92-832-2417-4.
| Classification | Former name | EBV | Prevalence | Prognosis |
|---|---|---|---|---|
| Keratinizing | Type 1, squamous cell carcinoma | -ve | almost 1/4 of NPC cases | poor |
| Nonkeratinizing, differentiated | Type 2, transitional carcinoma | +ve | less than 1/6 of NPC cases | good |
| Nonkeratinizing, undifferentiated | Type 3, lymphoepithelial carcinoma | +ve | most common | good |
| Basaloid squamous cell carcinoma (BSCC) | least common | poor |