Inflammatory myofibroblastic tumour

Inflammatory myofibroblastic tumours (IMT), also known as plasma cell granulomas, are rare neoplasms that have a diverse spectrum of biological behaviour. 

These tumours were previously referred as inflammatory pseudotumour.  

They can occur at any age and there is currently no recognised gender predilection.

Composed of spindle cells (key feature) with a variable infiltrate of inflammatory cells and fibrous tissue. They can occur at numerous sites:

Imaging characteristics depend on the organ of involvement:

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Article information

rID: 11033
Tag: cases
Synonyms or Alternate Spellings:
  • Inflammatory myofibroblastic tumour (IMT)
  • Plasma cell granuloma
  • Inflammatory myofibroblastic tumours
  • Inflammatory myofibroblastic tumor
  • Inflammatory myofibroblastic tumors
  • Plasma cell granulomas
  • Plasma-cell granuloma
  • Plasma-cell granulomas

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