Thyroid gland
Other malignancies

Topic Completed: 1 February 2014

Minor changes: 24 September 2020

Copyright: 2014-2020,, Inc.

PubMed Search: hemangiopericytoma thyroid

Sheren Younes, M.D.
Page views in 2019: 331
Page views in 2020 to date: 733
Cite this page: Younes S. Hemangiopericytoma. website. Accessed September 24th, 2020.
Definition / general
  • Uncommon tumor that arises from pericytes, rare in thyroid
  • Usually 6th - 7th decades
  • Males and females are equally affected
Case reports
Clinical images

Images hosted on other servers:

Tumor of lateral cervical region

Lung metastases

Microscopic (histologic) description
  • Cellular tumor composed of plump spindle cells
  • Blood vessels are thin, slit-like, irregular, branching (staghorn)
  • Increased atypia and mitotic rate predict aggressive behavior
Microscopic (histologic) images

Images hosted on other servers:

Various images

Positive stains
Differential diagnosis
  • Other spindle cell lesions of thyroid
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