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Small nonpolypoid colorectal carcinoma
Ruben Weil1, Gil Ohana, Marisa Halpern
1Department of Surgery B, Golda Campus, Rabin Medical Center, Kakal 7 Street, Petach-Tikva, Israel. rweil@inter.net.il
World Journal of Surgery
|March 23, 2002
Summary
Small nonpolypoid colorectal adenocarcinomas (SNPCC) were found in 1.8% of patients undergoing surgery for colorectal cancer. These small, flat lesions can be detected with high-resolution video-endoscopy, aiding early diagnosis.
Area of Science:
- Gastroenterology
- Surgical Oncology
- Endoscopic Imaging
Background:
- Small nonpolypoid colorectal adenocarcinomas (SNPCC) are a subset of colorectal cancer.
- Early detection of SNPCC is crucial for effective treatment and improved patient outcomes.
Purpose of the Study:
- To determine the frequency and characteristics of SNPCC in patients referred for colorectal cancer surgery.
- To assess the diagnostic capabilities of high-resolution video-endoscopy for SNPCC detection.
Main Methods:
- Retrospective review of medical, endoscopic, surgical reports, and histopathologic slides.
- Definition of SNPCC as malignant, nonpolypoid lesions <15 mm.
- Classification using the Japanese macroscopic classification of colorectal carcinoma.
Main Results:
- SNPCC accounted for 1.8% of colorectal cancers referred for surgery.
- Lesions averaged 10.8 mm, were predominantly flat or flat-elevated, and located in the distal colon.
- Most SNPCC patients were asymptomatic and diagnosed via high-resolution video-endoscopy without enhancement techniques.
Conclusions:
- SNPCC is an uncommon but significant finding in surgical colorectal cancer cases.
- High-resolution video-endoscopy is effective for detecting SNPCC, even without advanced techniques.
- Increased endoscopist awareness of SNPCC can improve detection rates and facilitate timely oncologic surgical resection.