Benign tumors / other nonneoplastic
Inflammatory myofibroblastic tumor

Topic Completed: 1 November 2013

Minor changes: 24 August 2020

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

PubMed Search: Inflammatory pseudotumor heart

Nat Pernick, M.D.
Page views in 2019: 237
Page views in 2020 to date: 246
Cite this page: Pernick N. Inflammatory myofibroblastic tumor . PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/hearttumorinflammatorypseudotumor.html. Accessed September 30th, 2020.
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
Back to top
Image 01 Image 02