Xinqi Chen, Jian‐qun Cai, Jie Feng, W. Gong, Qiang Zhang, Wei Zhu, Wen Guo, Z. Han, Ya-li Zhang
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A clinical study of preoperative endoscopic assessment of the invasion depth of colorectal laterally spreading tumor
Objective
To compare the diagnostic accuracy of magnifying chromoendoscopy (MCE) and endoscopic ultrasonography (EUS) for preoperative endoscopic assessment of the invasion depth of colorectal laterally spreading tumour(LST).
Methods
Data of 104 cases of colorectal LST were included. With the final pathological diagnosis as the golden standard, the accuracies of MCE and EUS for preoperative assessment of the invasion depth of colorectal LST were compared.
Results
The diagnostic accuracies of MCE and EUS for evaluating the invasion depth of LST were 89.4%(93/104) and 73.1%(76/104), respectively(P<0.05). The lesion size and the endoscopist could affect the accuracy of the EUS evaluation(P=0.017, OR=3.561; P=0.035, OR=1.399). The accuracy of EUS seemed to show a downward trend for colorectal LST of larger diameters.
Conclusion
Both MCE and EUS are effective for evaluating the invasion depth of colorectal LST, but the accuracy of MCE may be higher than that of EUS. Large diameter of the lesion and the doctor's experience inadequacy may be the risk factors for the accuracy of EUS.
Key words:
Colorectal neoplasms; Endosonography; Program evaluation; Laterally spreading tumor; Magnifying chromoendoscopy
期刊介绍:
Chinese Journal of Digestive Endoscopy is a high-level medical academic journal specializing in digestive endoscopy, which was renamed Chinese Journal of Digestive Endoscopy in August 1996 from Endoscopy.
Chinese Journal of Digestive Endoscopy mainly reports the leading scientific research results of esophagoscopy, gastroscopy, duodenoscopy, choledochoscopy, laparoscopy, colorectoscopy, small enteroscopy, sigmoidoscopy, etc. and the progress of their equipments and technologies at home and abroad, as well as the clinical diagnosis and treatment experience.
The main columns are: treatises, abstracts of treatises, clinical reports, technical exchanges, special case reports and endoscopic complications.
The target readers are digestive system diseases and digestive endoscopy workers who are engaged in medical treatment, teaching and scientific research.
Chinese Journal of Digestive Endoscopy has been indexed by ISTIC, PKU, CSAD, WPRIM.