Nasopharyngeal carcinoma pathophysiology

	Nasopharyngeal carcinoma Microchapters
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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

On microscopic histopathological analysis, abundant dense eosinophilic cytoplasm and prominent lymphoid component are characteristic findings of nasopharyngeal carcinoma.

Genes involved in the pathogenesis of nasopharyngeal carcinoma include:

The tumor arises from epithelial cells on the surface of the nasopharynx.

Features:^[2]

Prominent lymphoid component (Lymphoepithelioma) - key feature
Features of squamous cell carcinoma:
- Cohesive cells with:
  - Abundant dense eosinophilic cytoplasm
  - Central nuclei +/- small/indistinct nucleoli

Immunohistochemistry stains for nasopharyngeal carcinoma include:

Conditions associated with [disease name] include:

On gross pathology, nasal cavity involvement - common in early disease, [feature2], and [feature3] are characteristic findings of [disease name].

On microscopic histopathological analysis, [feature1], [feature2], and [feature3] are characteristic findings of [disease name].

↑ Abdel Khalek Abdel Razek, A.; King, A. (2012). "MRI and CT of nasopharyngeal carcinoma". AJR Am J Roentgenol. 198 (1): 11–8. doi:10.2214/AJR.11.6954. PMID 22194474. Unknown parameter |month= ignored (help)
↑ Nasopharyngeal carcinoma http://librepathology.org/wiki/index.php/Nasopharyngeal_carcinoma
↑ Richard Cote, Saul Suster, Lawrence Weiss, Noel Weidner (Editor). Modern Surgical Pathology (2 Volume Set). London: W B Saunders. ISBN 0-7216-7253-1.
↑ Gulley ML, Nicholls JM, Schneider BG, Amin MB, Ro JY, Geradts J (1998). "Nasopharyngeal carcinomas frequently lack the p16/MTS1 tumor suppressor protein but consistently express the retinoblastoma gene product". Am. J. Pathol. 152 (4): 865–9. PMC 1858242. PMID 9546345. Unknown parameter |month= ignored (help)