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Keywords:

  • Papillary endothelial hyperplasia;
  • Masson's tumor;
  • internal auditory canal;
  • intracranial;
  • vascular;
  • sudden hearing loss;
  • vertigo

Abstract

Intravascular papillary endothelial hyperplasia (IPEH), also known as Masson's tumor, is a rare vascular lesion characterized by intravascular proliferation of endothelial-lined papillae and a propensity for manifestation in the head and neck. Signs and symptoms associated with IPEH generally occur due to compressive effects of the lesion on adjacent structures. A rare instance of IPEH occurring in the internal auditory canal is presented herein. Clinical presentation, radiographic and pathologic findings, and management strategies are discussed.