Prevalence and clinicopathological features of nonpolypoid colorectal neoplasms: Should we pay more attention to identifying flat and depressed lesions?

Digestive Endoscopy

Volumn 22, Issue SUPPL. 1, 2010, Pages

  Matsuda, Takahisa ^a   Saito, Yutaka ^a   Hotta, Kinichi ^b   Sano, Yasushi ^c   Fujii, Takahiro ^d  

^a NATIONAL CANCER CENTER HOSPITAL   (Japan)

^b TF Clinic   (Japan)

^c Nagano Prefectural Federation of Agricultural Cooperative for Health and Welfare   (Japan)

^d National Hospital Organization   (Japan)

Author keywords

Japan Polyp Study; Nonpolypoid colorectal neoplasm; Screening colonoscopy

Indexed keywords

ADULT; ASIA; CANCER DIAGNOSIS; CANCER GRADING; CANCER INVASION; CANCER MORPHOLOGY; CANCER RISK; CLINICAL FEATURE; COLORECTAL ADENOMA; COLORECTAL CANCER; COLORECTAL TUMOR; DISEASE CLASSIFICATION; DYSPLASIA; FEMALE; HISTOPATHOLOGY; HUMAN; JAPANESE; MAJOR CLINICAL STUDY; MALE; REVIEW; TUMOR GROWTH; TUMOR VOLUME; WESTERN HEMISPHERE; COLON POLYP; COLONOSCOPY; COLORECTAL NEOPLASMS; DIFFERENTIAL DIAGNOSIS; HEALTH; INTESTINE MUCOSA; PATHOLOGY; PREVALENCE; PROCEDURES;

COLONIC POLYPS; COLONOSCOPY; COLORECTAL NEOPLASMS; DIAGNOSIS, DIFFERENTIAL; HUMANS; INTESTINAL MUCOSA; PREVALENCE; WORLD HEALTH; GLOBAL HEALTH;

EID: 77952163917     PISSN: 09155635     EISSN: 14431661     Source Type: Journal    
DOI: 10.1111/j.1443-1661.2010.00967.x     Document Type: Review

References (16)

1. The Japanese Research Society for Cancer of Colon and Rectum. General Rules for Clinical and Pathological Studies on Cancer of Colon, Rectum and Anus, 2nd edn.
2. Muto T, Kamiya J, Sawada T et al. Small 'flat adenoma' of the large bowel with special reference to its clinicopathologic features. Dis. Colon Rectum 1985 28 : 847 851.
3. Kariya A. A case of early colonic cancer type IIc associated with familial polyposis coli. 1977 12 : 1359 1364 (in Japanese with English abstract).
4. Kudo S. Endoscopic mucosal resection of flat depressed type of early colorectal cancer. Endoscopy 1993 25 : 455 461.
5. Fujii T, Rembacken BJ, Dixon MF et al. Flat adenomas in the United Kingdom: are treatable cancers being missed? Endoscopy 1998 30 : 437 443.
6. Saitoh Y, Waxman I, West AB et al. Prevalence and distinctive biologic features of flat colorectal adenomas in a North American population. Gastroenterology 2001 120 : 1657 1665.
7. Tsuda S, Veress B, Toth E, Fork FT. Flat and depressed colorectal tumours in a southern Swedish population: A prospective chromoendoscopic and histopathological study. Gut 2002 51 : 550 555.
8. Wolber RA, Owen D. Flat adenomas of the colon. Hum. Pathol. 1991 22 : 70 4.
9. Matsui T, Yao T, Iwashita A. Natural history of early colorectal cancer. World J. Surg. 2000 24 : 1022 1028.
10. Rembacken BJ, Fujii T, Cairns A et al. Flat and depressed colonic neoplasms: a prospective study of 1000 colonoscopies in the UK. Lancet 2000 355 : 1211 1214.
11. Parra-Blanco A, Gimeno-Garcia AZ, Nicolas-Perez D et al. Risk for high-grade dysplasia or invasive carcinoma in colorectal flat adenomas in a Spanish population. Gastroenterol. Hepatol. 2006 29 : 602 609.
12. O'Brien MJ, Winawer SJ, Zauber AG et al. Flat adenomas in the National Polyp Study: is there increased risk forhigh-grade dysplasia initially or during surveillance? Clin. Gastroenterol. Hepatol. 2004 2 : 905 911.
13. Soetikno RM, Kaltenbach T, Rouse RV et al. Prevalence of nonpolypoid (flat and depressed) colorectal neoplasms in asymptomatic and symptomatic adults. JAMA 2008 5 (299 1027 1035.
14. Chiu HM, Lin JT, Chen CC et al. Prevalence and characteristics of nonpolypoid colorectal neoplasm in an asymptomatic and average-risk Chinese population. Clin. Gastroenterol. Hepatol. 2009 7 : 463 470.
15. Goto H, Oda Y, Murakami Y et al. Proportion of de novo cancers among colorectal cancers in Japan. Gastroenterology 2006 131 : 40 6.
16. Sano Y, Fujii T, Oda Y et al. A multicenter randomized controlled trial designed to evaluate follow-up surveillance strategies for colorectal cancer: the Japan Polyp Study. Dig. Endosc. 2004 16 : 376 378.