Colonic cast
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Colonic cast, also colon cast, is a soughed off fragment of colonic wall due to colonic ischemia.
| Colonic cast | |
|---|---|
| Diagnosis in short | |
 Colonic cast. H&E stain. (WC) | |
|
| |
| LM | ischemic colorectal wall (ghost-like crypts without nuclei, muscle without nuclei), mild inflammation |
| LM DDx | infectious colitis |
| Gross | membranous material, fish bladder-like |
| Site | colon |
|
| |
| Associated Dx | ischemic colitis, atherosclerosis |
| Clinical history | typically post-AAA repair or after colorectal surgery |
| Prevalence | rare |
| Prognosis | benign |
| Clin. DDx | fecal material |
| Treatment | see ischemic colitis |
General
- Rare.
- Due to colonic ischemia.[1]
- Typically post-AAA repair or after colorectal surgery.[2]
Gross
- Membranous appearance; described as airbladder of fish-like.[3]
DDx:
Images
Microscopic
Features:
- Ischemic colorectal wall.
Images
CC - extremely low mag. (WC)
CC - very low mag. (WC)
CC - low mag. (WC)
CC - intermed. mag. (WC)
IHC
- AE1/AE3, desmin - may be useful to delineate the morphology.
Sign out
Submitted as "Colonic Cast": - Compatible with colorectal cast (necrotic partial colorectal wall with identifiable mucosa and submucosa). - NEGATIVE for malignancy.
See also
References
- ↑ Abe, S.; Yamaguchi, H.; Murono, K.; Kanazawa, T.; Ishihara, S.; Sunami, E.; Watanabe, T.. "Passage of a sigmoid colon cast in a patient with ischemic colitis.". Int Surg 99 (5): 500-5. doi:10.9738/INTSURG-D-14-00066.1. PMID 25216411.
- ↑ Erguney, S.; Yavuz, N.; Ersoy, YE.; Teksoz, S.; Selcuk, D.; Ogut, G.; Dogusoy, G.; Alver, O. (Aug 2007). "Passage of "colonic cast" after colorectal surgery: report of four cases and review of the literature.". J Gastrointest Surg 11 (8): 1045-51. doi:10.1007/s11605-007-0194-z. PMID 17564753.
- ↑ Yoshiji, H.; Nakae, D.; Sugiya, R.; Mizumoto, Y.; Tsutsumi, M.; Hiriguchi, K.; Yokose, Y.; Sakurai, R. et al. (Feb 1994). "Spontaneous passage of a colon cast in the absence of abdominal aneurysm.". J Gastroenterol 29 (1): 80-3. PMID 8199700.
- ↑ Anaspure, RS; Cheatle, TR (2005). "Spontaneous Passage of a ‘Colon Cast’ Following Aortic Bypass Operation: A Case Report". EJVES Short Reports 9 (5): 96-97. doi:10.1016/j.ejvsextra.2005.02.016.