Ancient schwannoma

Ancient schwannomas are long-standing, benign (WHO grade I) slow growing schwannomas with advanced degeneration. The term “ancient” has been traditionally used to describe schwannomas showing degenerative changes and diffuse hypocellular areas 1-3.


These tumors demonstrate nuclear pleomorphism microscopically, which should not be misinterpreted as malignant features 4

Radiographic features

Features of calcification, hyalinization, and cystic cavitation can be identified on imaging 1-3.

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Article information

rID: 41897
Tag: cases
Synonyms or Alternate Spellings:
  • Ancient schwannomas
  • Ancient neurilemmoma

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Cases and figures

  • Case 1
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  • Schwannoma
    Case 2
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