File:Histopathology of irritation fibroma.jpg

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Captions

Captions

Histopathology of irritation fibroma. Low magnification (left) characteristically shows a nonencapsulated nodular mass. High magnification (right) shows fibrous connective tissue with collagen bundles, and some blood vessels and fibroblasts.

Summary[edit]

Description
English: Histopathology of irritation fibroma on the lower lip, H&E stain, with characteristic[1] features: Low magnification (left) shows a non-encapsulated nodular mass covered by squamous epithelium. High magnification (right) shows fibrous connective tissue with collagen bundles, with some with fibroblasts and blood vessels. It often also displays scattered chronic inflammatory cells.

The squamous mucosa displays non-specific vacuolization in this case.

Reference

  1. ↑ Molly Housley Smith, D.M.D.. Oral cavity & oropharynx - Soft tissue tumors & proliferations - Irritation fibroma. pathology Outlines. Topic Completed: 26 October 2020. Minor changes: 26 October 2020
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Mikael Häggström, M.D. Author info
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Mikael Häggström, M.D.
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