HPV-16-associated lymphoepithelial-like carcinoma mimicking rectal tonsil

Clin J Gastroenterol. 2021 Jun;14(3):810-814. doi: 10.1007/s12328-021-01362-1. Epub 2021 Feb 19.

Abstract

Lymphoepithelial-like carcinoma is a rare malignancy characterized by lack of cellular differentiation and associated nonneoplastic lymphoplasmacytic cell infiltrate that is rarely seen in the colon. Although many cases are associated with EBV infection, HPV may be present in LELC arising in sites known for HPV-driven malignancies, like the anogenital region. We report a case of lymphoepithelial-like carcinoma mimicking a rectal tonsil in a 51-year-old female. Attentive evaluation must be taken to identify this tumor in locations where prominent lymphoid stroma is an expected finding.

Keywords: Lymphoepithelial-like carcinoma (LELC); Lymphoid tumor; Rectal tonsil.

Publication types

  • Case Reports

MeSH terms

  • Carcinoma*
  • Epstein-Barr Virus Infections*
  • Female
  • Human papillomavirus 16
  • Humans
  • Middle Aged
  • Palatine Tonsil
  • Rectum