Difference between revisions of "Granulation tissue"
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inflammatory infiltrate consisting of plasma cells, neutrophils and lymphocytes. | inflammatory infiltrate consisting of plasma cells, neutrophils and lymphocytes. | ||
No epithelial component is readily identified. No significant nuclear atypia is identified. | No epithelial component is readily identified. No elements of fallopian tube are identified. No significant nuclear atypia is identified. | ||
==See also== | ==See also== | ||
Revision as of 20:05, 21 March 2014
| Granulation tissue | |
|---|---|
| Diagnosis in short | |
 Granulation tissue. H&E stain. | |
|
| |
| LM | blood vessel rich - key element, proliferation of fibroblasts - key element, inflammation - especially lymphocytes (plasma cells common), +/- evidence of erosion/ulceration |
| LM DDx | mucocele, traumatized hemangioma, pyogenic granuloma |
| Gross | granular appearance, erythematous |
| Site | skin, gastrointestinal tract, other |
|
| |
| Clinical history | +/-trauma |
| Prevalence | common |
| Prognosis | benign |
| Treatment | +/-debridement |
Granulation tissue forms when wounds heal.
Gross
- Looks granular, ergo the name granulation tissue.
Image
Granulation. (WC)
Microscopic
Features:
- Blood vessel rich - key element.[1]
- Small size ~ 25 micrometers in diameter.[citation needed]
- Proliferation of fibroblasts - key element.
- Inflammation - especially lymphocytes.
- Plasma cells common.
DDx:
- Mucocele.
- Pyogenic granuloma.
- Traumatized hemangioma.
- Prolapsed fallopian tube - rare complication following hysterectomy.[2]
Images
GT. (WC/Patho)
GT. (WC/Patho)
GT. (WC/Patho)
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URINARY BLADDER, BIOPSY: - REGENERATIVE EPITHELIUM, INFLAMED SUBEPITHELIAL TISSUE AND GRANULATION TISSUE. - NO MUSCULARIS PROPRIA. - NEGATIVE FOR MALIGNANCY.
TISSUE, VAGINAL VAULT, BIOPSY: - GRANULATION TISSUE. - NEGATIVE FOR FALLOPIAN TUBE. - NEGATIVE FOR MALIGNANCY.
Micro
The sections show vascular tissue with plump fibroblasts, reactive endothelial cells and a mixed inflammatory infiltrate (granulation tissue). Focally, a dense cluster of neutrophils is seen at the luminal aspect.
A single layer of epithelium with pale, plump nuclei is present without apparent mitotic activity. Inflamed subepithelial tissue is present. No stratified urothelium is identified. No significant nuclear atypia is present.
Alternate
The sections show a polypoid fragment of vascular and edematous tissue with a mixed inflammatory infiltrate consisting of plasma cells, neutrophils and lymphocytes.
No epithelial component is readily identified. No elements of fallopian tube are identified. No significant nuclear atypia is identified.
See also
References
- ↑ Howdieshell TR, Callaway D, Webb WL, et al. (April 2001). "Antibody neutralization of vascular endothelial growth factor inhibits wound granulation tissue formation". J. Surg. Res. 96 (2): 173–82. doi:10.1006/jsre.2001.6089. PMID 11266270.
- ↑ Fan, QB.; Liu, ZF.; Lang, JH.; Sun, DW.; Leng, JH.; Zhu, L.; Ning, L. (Mar 2006). "Fallopian tube prolapse following hysterectomy.". Chin Med Sci J 21 (1): 20-3. PMID 16615279.
- ↑ URL: http://www.siumed.edu/~dking2/intro/inflskin.htm. Accessed on: 17 January 2011.