Inflammatory fibroid polyps (IFPs) are rare mesenchymal tumors of the gastrointestinal tract that consist of spindle-shaped stromal cells and an inflammatory infiltrate rich in eosinophils. Their etiology and histogenesis remain unknown.

Immunochemistry

 CD34+ (#14707872#)
 fascin+ (#14707872#)
 cyclin-D1+ (#14707872#)

References

 Pantanowitz L, Antonioli DA, Pinkus GS, Shahsafaei A, Odze RD. Inflammatory fibroid polyps of the gastrointestinal tract: evidence for a dendritic cell origin. Am J Surg Pathol. 2004 Jan;28(1):107-14. PMID: #14707872#