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Mendeley readers
| Title |
Role of random biopsies in surveillance of dysplasia in ulcerative colitis patients with high risk of colorectal cancer
|
|---|---|
| Published in |
Intestinal Research , June 2016
|
| DOI | 10.5217/ir.2016.14.3.264 |
| Pubmed ID | |
| Authors |
Sawan Bopanna, Maitreyee Roy, Prasenjit Das, S Dattagupta, V Sreenivas, V Pratap Mouli, Saurabh Kedia, Rajan Dhingra, Rajesh Pradhan, N Suraj Kumar, Dawesh P Yadav, Govind Makharia, Vineet Ahuja |
| Abstract |
Recent data suggest that the incidence of ulcerative colitis (UC) related colorectal cancer (CRC) in India is similar to that of West. The optimum method for surveillance is still a debate. Surveillance with random biopsies has been the standard of care, but is a tedious process. We therefore undertook this study to assess the yield of random biopsy in dysplasia surveillance. Between March 2014 and July 2015, patients of UC attending the Inflammatory Bowel Disease clinic at the All India Institute of Medical Sciences with high risk factors for CRC like duration of disease >15 years and pancolitis, family history of CRC, primary sclerosing cholangitis underwent surveillance colonoscopy for dysplasia. Four quadrant random biopsies at 10 cm intervals were taken (33 biopsies). Two pathologists examined specimens for dysplasia, and the yield of dysplasia was calculated. Twenty-eight patients were included. Twenty-six of these had pancolitis with a duration of disease greater than 15 years, and two patients had associated primary sclerosing cholangis. No patient had a family history of CRC. The mean age at onset of disease was 28.89±8.73 years and the duration of disease was 19.00±8.78 years. Eighteen patients (64.28%) were males. A total of 924 biopsies were taken. None of the biopsies revealed any evidence of dysplasia, and 7/924 (0.7%) were indefinite for dysplasia. Random biopsy for surveillance in longstanding extensive colitis has a low yield for dysplasia and does not suffice for screening. Newer techniques such as chromoendoscopy-guided biopsies need greater adoption. |
Mendeley readers
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 41 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Bachelor | 8 | 20% |
| Student > Ph. D. Student | 6 | 15% |
| Student > Master | 4 | 10% |
| Lecturer | 3 | 7% |
| Researcher | 3 | 7% |
| Other | 11 | 27% |
| Unknown | 6 | 15% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 26 | 63% |
| Biochemistry, Genetics and Molecular Biology | 2 | 5% |
| Computer Science | 2 | 5% |
| Nursing and Health Professions | 1 | 2% |
| Social Sciences | 1 | 2% |
| Other | 1 | 2% |
| Unknown | 8 | 20% |