Skin nonmelanocytic tumor
Fibrous, fibrohistiocytic and myofibroblastic neoplasms
Inflammatory pseudotumor


Topic Completed: 1 September 2012

Revised: 19 April 2019

Copyright: 2001-2019, PathologyOutlines.com, Inc.

PubMed search: cutaneous inflammatory pseudotumor

Christopher S. Hale, M.D.
Page views in 2018: 338
Page views in 2019 to date: 207
Cite this page: Hale CS. Inflammatory pseudotumor. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/skintumornonmelanocyticinflammatorypseudotumor.html. Accessed July 21st, 2019.
Definition / general
  • Initially described in skin in 1990 (Am J Surg Pathol 1990;14:764)
  • Not a well defined entity - controversial if it represents an inflammatory myofibroblastic tumor
Case reports
Clinical images
Images hosted on other servers:

Brown palpable indurated nodule with rough surface on upper back

Gross description
  • Small, deep dermal nodule
Microscopic (histologic) description
  • Central fibrosis and hyalinized vascular center with plasma cells and lymphoid follicles
  • Usually spares epidermis
Microscopic (histologic) images
Images hosted on other servers:

Various images

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