Difference between revisions of "Lymphoepithelioma-like carcinoma"

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Revision as of 02:13, 12 May 2011

Lymphoepithelioma-like carcinoma, abbreviated LELC, is a very rare, poorly differentiated, malignant epithelial tumour.

General

It is thought to be related to nasopharyngeal carcinoma (AKA lymphoepithelioma).[1][2]

Epidemiology:

  • Common in Inuit and some Asians.[3]

Etiology:

  • Associated with EBV,[1] like nasopharyngeal carcinoma.

Microscopic

Features:

  • Clusters of cohesive squamoid cells with:
    • Aundant dense eosinophilic cytoplasm.
    • Central nuclei +/- small/indistinct nucleoli.
    • Surrounded by a prominent lymphoid component - key feature.

DDx:

Images:

See also

References

  1. 1.0 1.1 Mayer, EK.; Beckley, I.; Winkler, MH. (Mar 2007). "Lymphoepithelioma-like carcinoma of the urinary bladder--diagnostic and clinical implications.". Nat Clin Pract Urol 4 (3): 167-71. doi:10.1038/ncpuro0725. PMID 17347662.
  2. 2.0 2.1 URL: http://dermatology.cdlib.org/148/case_presentations/lymphoepithelioma/arsenovic.html. Accessed on: 11 May 2011.
  3. URL: http://www.pathconsultddx.com/pathCon/diagnosis?pii=S1559-8675%2806%2970335-7. Accessed on: 11 May 2011.