Cardiac tumors - benign
Inflammatory pseudotumor / inflammatory myofibroblastic tumor

Topic Completed: 1 November 2013

Revised: 26 February 2019

Copyright: 2007-2019, PathologyOutlines.com, Inc.

PubMed Search: Inflammatory pseudotumor heart

Nat Pernick, M.D.
Page views in 2018: 224
Page views in 2019 to date: 162
Cite this page: Pernick N Inflammatory pseudotumor / inflammatory myofibroblastic tumor . PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/hearttumorinflammatorypseudotumor.html. Accessed August 25th, 2019.
Definition / general
  • Previously called plasma cell granuloma
  • Extremely rare
  • Usually age 2 months to 17 years
  • May be intravascular in infants (Pediatr Dev Pathol 2002;5:400)
Case reports
Gross description
  • Up to 8 cm
Microscopic (histologic) description
  • Spindle cells larger than fibroblasts with obvious nucleoli, inflammatory cells, prominent vasculature, variable myxoid stroma
  • Occasional mitotic figures and necrosis
Microscopic (histologic) images
Missing Image

Liver tumor - various images

Positive stains
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