Thyroid gland
Other malignancies

Author: Sheren Younes, M.D. (see Authors page)

Revised: 17 February 2017, last major update 2014

Copyright: (c) 2014-2017,, Inc.

PubMed Search: hemangiopericytoma thyroid

Cite this page: Hemangiopericytoma. website. Accessed May 21st, 2018.
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