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The frequency of histopathologic findings in flat and depressed colorectal lesions in patients referring to Taleghani hospital in 2006
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Mohammad Ebrahim Ghamarchehreh1   , Babak Noorinayer , Hamid Mohaghegh Shalmani , Mohammad Reza Zali |
| 1- , article@rcgld.com |
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Abstract: (23860 Views) |
Background: Non-polypoid colorectal neoplasms and related malignancies are difficult to be detected using traditional colonoscopy. In this study, we attempted to evaluate frequency of flat and depressed colorectal neoplasms using high-magnifying colonoscopy.
Materials and methods: Patients with medical indication of colonoscopy who referred to Talaghani hospital in 1385 were evaluated. After preparation, total colonoscopy (Olympus, CF-Q240TL, Japan) was performed up to cecum. Lesions were classified according to macroscopic presentation and Paris classification, and then they were evaluated regarding pit patterns after 100-fold magnification. Pathologic findings of lesions were studied by two expert pathologists.
Results: One hundred patients with mean age of 44.3 ± 16.1 were studied. In total 27 lesions (17 polypoid, 10 non-polypoid) were found in 18 patients. Peduculated polyps (9 polyps) were the most common lesions. We found 8 flat and 2 slightly elevated polyps. There was no depressed lesion. In pathologic examination, there were 21(77.8%) adenomas, mostly tubular (12, 66.6%). One adenocarcinoma was also detected. Pit pattern II was the most common pattern found.
Conclusion: As non-polypoid neoplasms are frequent lesions in Iran, we recommend performing high-magnifying colonoscopy in patients with suspected presentations in traditional colonoscopy. |
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| Keywords: Flat colorectal neoplasm, Depressed colorectal neoplasm, High magnify colonoscopy, Iran |
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Full-Text [PDF 223 kb]
(4977 Downloads)
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Subject:
Epidemiology
Received: 2006/09/6 | Published: 2008/07/15
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