Joint tumors
Synovial hemangioma

Topic Completed: 1 June 2013

Revised: 8 March 2019

Copyright: 2002-2019,, Inc.

PubMed Search: Synovial hemangioma [title]

Vijay Shankar, M.D.
Page views in 2018: 1,577
Page views in 2019 to date: 1,240
Cite this page: Shankar V Synovial hemangioma. website. Accessed September 20th, 2019.
Definition / general
  • Uncommon; usually young adults, more common in males
  • Presents as nontraumatic joint swelling with recurrent effusions
  • Knee, elbow, finger
Radiology images

Images hosted on other servers:

MRI of knee of 32 year old man

Case reports
Gross description
  • Tumor usually confined to intra-articular synovium, may be in adjacent bursa
Gross images

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Heavily pigmented soft tissue mass

Microscopic (histologic) description
  • Resembles either cavernous hemangioma, lobular capillary hemangioma, arteriovenous hemangioma or venous hemangioma
Microscopic (histologic) images

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Hyperplastic synovium

Dilated vascular spaces

Cavernous blood vessels

Differential diagnosis
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