Skin nonmelanocytic tumor
Fibrous, fibrohistiocytic and myofibroblastic neoplasms
Inflammatory pseudotumor

Topic Completed: 1 September 2012

Minor changes: 19 April 2019

Copyright: 2001-2019,, Inc.

PubMed search: cutaneous inflammatory pseudotumor

Christopher S. Hale, M.D.
Page views in 2019: 408
Page views in 2020 to date: 340
Cite this page: Hale CS. Inflammatory pseudotumor. website. Accessed August 6th, 2020.
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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