Carcinoma ex-pleomorphic adenoma of parotid gland presenting as a gigantic cervicofacial mass

BMJ Case Rep. 2024 Jul 1;17(7):e260063. doi: 10.1136/bcr-2024-260063.

Abstract

When neglected for a long time, salivary gland pleomorphic adenoma (PA) can attain a considerable size, increasing the patient's morbidity along with the risk of malignant transformation. Very few case reports are available describing PA of the parotid glands presenting as a large cervicofacial mass. We report a case of epithelial myoepithelial carcinoma -a rare subtype of carcinoma ex-PA (Ca-Ex-PA) of non-luminal differentiation, that developed over a long period in a primary PA of the parotid gland and presented as a giant cervicofacial mass.

Keywords: Head and neck cancer; Head and neck surgery.

Publication types

  • Case Reports

MeSH terms

  • Adenoma, Pleomorphic* / diagnosis
  • Adenoma, Pleomorphic* / diagnostic imaging
  • Adenoma, Pleomorphic* / pathology
  • Adenoma, Pleomorphic* / surgery
  • Carcinoma / diagnosis
  • Carcinoma / pathology
  • Diagnosis, Differential
  • Humans
  • Middle Aged
  • Parotid Gland / diagnostic imaging
  • Parotid Gland / pathology
  • Parotid Neoplasms* / diagnosis
  • Parotid Neoplasms* / diagnostic imaging
  • Parotid Neoplasms* / pathology
  • Salivary Gland Neoplasms

Supplementary concepts

  • Salivary Gland Adenoma, Pleomorphic