Difference between revisions of "Ditzels"
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Features: | Features: | ||
*Benign fibrous tissue. | *Benign fibrous tissue. | ||
==Cholesteatoma== | |||
===General=== | |||
*Squamous epithelium in the middle ear - leading to accumulation of keratinaceous debris.<ref>URL: [http://www.harrisonspractice.com/practice/ub/view/Harrisons%20Practice/141015/all/otitis_media_and_mastoiditis http://www.harrisonspractice.com/practice/ub/view/Harrisons%20Practice/141015/all/otitis_media_and_mastoiditis]. Accessed on: 16 March 2011.</ref> | |||
===Microscopic=== | |||
Features:<ref>{{cite journal |author=Iino Y, Toriyama M, Ohmi S, Kanegasaki S |title=Activation of peritoneal macrophages with human cholesteatoma debris and alpha-keratin |journal=Acta Otolaryngol. |volume=109 |issue=5-6 |pages=444–9 |year=1990 |pmid=1694387 |doi= |url=}}</ref> | |||
*Keratinaceous debris - '''key feature'''. | |||
*Squamous epithelium. | |||
*Macrophages +/- giant cell (containing keratinceous debris). | |||
*Chronic inflammation (lymphocytes). | |||
==See also== | ==See also== | ||
Revision as of 12:35, 16 March 2011
This article collects ditzels, which are, in the context of pathology, little specimens that are typically one or two slides and usually of little interest.[1]
Ditzels
Common
- Hernia sac.
Neuropathology
- Vertebral disc - see spine.
Pediatric
- Bands of Ladd.
- Cholesteatoma.
Hernia sac
General
- Hernia repair.
Microscopic
Features:
- Fibrous tissue.
- +/-Adipose tissue.
- +/-Mesothelial cells.
Bands of Ladd
General
- Associated with intestinal malrotation.
- Removed by Ladd's procedure.
Microscopic
Features:
- Benign fibrous tissue.
Cholesteatoma
General
- Squamous epithelium in the middle ear - leading to accumulation of keratinaceous debris.[2]
Microscopic
Features:[3]
- Keratinaceous debris - key feature.
- Squamous epithelium.
- Macrophages +/- giant cell (containing keratinceous debris).
- Chronic inflammation (lymphocytes).
See also
References
- ↑ Weedman Molavi, Diana (2008). The Practice of Surgical Pathology: A Beginner's Guide to the Diagnostic Process (1st ed.). Springer. pp. 37. ISBN 978-0387744858.
- ↑ URL: http://www.harrisonspractice.com/practice/ub/view/Harrisons%20Practice/141015/all/otitis_media_and_mastoiditis. Accessed on: 16 March 2011.
- ↑ Iino Y, Toriyama M, Ohmi S, Kanegasaki S (1990). "Activation of peritoneal macrophages with human cholesteatoma debris and alpha-keratin". Acta Otolaryngol. 109 (5-6): 444–9. PMID 1694387.