Benign and malignant parotid pleomorphic adenomas: CT and MR studies

Peter M. Som, Joel M.A. Shugar, Michael Sacher, Aryeh L. Stollman, Hugh F. Biller

Research output: Contribution to journalArticlepeer-review

61 Scopus citations

Abstract

Parotid pleomorphic adenomas are usually benign, solitary, ovoid masses. Occasionally, these tumors may be highly lobulated and clinically mimic multiple lesions. Actual multiple benign mixed tumors are rare as are malignancies that occur in these pleomorphic adenomas. Of these malig-nancies, the most common type is the carcinoma ex pleomorphic adenoma. Two patients are presented, one of whom had a markedly lobulated benign mixed tumor and the other patient had an ex pleomorphic malignancy asso-ciated with multiple benign mixed tumors. Both cases are documented with CT and magnetic resonance studies. The relative merits of these modalities are discussed as they apply to these parotid masses.

Original languageEnglish
Pages (from-to)65-69
Number of pages5
JournalJournal of Computer Assisted Tomography
Volume12
Issue number1
DOIs
StatePublished - 1988
Externally publishedYes

Keywords

  • Computed tomography
  • Magnetic resonance imaging
  • Parotid gland, neoplasms
  • Salivary gland, neoplasms

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