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Abstract
Objective: Evaluate the characterization imaging of endoscopic ultrasound in rectal cancer and role of endoscopic ultrasound in diagnostic staging of rectal cancer
Materials and method: 34 patients were diagnosed with colorectal cancer who indicatied for operation and underwent endoscopic ultrasonography from April 2017 to June 2018.
Result: Upper and middle rectal tumors accounted for 35.3%, the highest rate was 61.8%. The mean tumor thickness was 12.21 ± 4.93 mm (27mm – 5mm). There are 20.6% of cases of invasive anal sphincter and 29.4% of cases with regional nodal tumors, tumors in the T3 stage is highest rate of 58.9%, lymph nodes of ≥ 5mm appear over 29.4% of cases and was diagnosed with N1 stage. The correct diagnostic capacity for T-stages of endoscopic ultrasound versus post operative anapathology results: 82.4%. Sensitivity, specificity, accuracy for T1: 75%, 100%, 97.1%, T2: 63.6%, 95.6%, 85.3%. Stage T3 were 94.4%, 81.3%, 88.2%. Possible diagnostic accuracy for N-stages of endoscopic ultrasound versus postoperative anapathology 85.3%. Nodal sizes greater than 5 mm were 85.7%, 85.2%, 85.3% for sensitivity, specificity and accuracy in diagnostic nodal metastases.
Conclusion: Endoscopic ultrasound has hight accuracy in preoperative assessment of invasive and regional nodal metastasis in rectal cancer
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| Published | 13-01-2025 | |
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| Issue | No. 57 (2019) | |
| Section | Original article | |
| DOI | 10.38103/jcmhch.2019.57.13 | |
| Keywords | Từ khóa: Siêu âm nội soi, ung thư trực tràng Keywords: Endoscopic ultrasound; rectal cancer |
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