Revision 4 for 'Hemangiopericytoma of the spleen'

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Haemagiopericytoma of spleen

A hemangiopericytoma of the spleen is is a very rare vasular neoplasm with only a few case reports available at the time of writing.

Clinical presentation

A splenic hemangiopericytoma is typically asymptomatic or can result in splenomegaly

Pathology

As with heamangiopericytoma's in general is a soft tissue vascular neoplasm arising from capillary pericytes 1. It is often characterized as having variable biologic behavior, but it is regarded as a tumor that may have very high malignant potential 3.

Radiograhphic features

General

Since the tumors are very rare only occasional case reports have described imaging findings.

CT

Reported CT findings include 3

  • a large splenic mass with polylobular contours  or
  • smaller disseminated lesions throughout the spleen

Speckled calcification may be seen on CT scans, and contrast-enhanced studies may show discrete hyperattenuation of solid portions and septation.

Etymology

It was first reported by Guadalajara Jurado et al in 1989 4

See also

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