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double contrast-enhanced ultrasonography improves diagnostic accuracy of T staging compared with multi-detector computed tomography in gastric cancer patients

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World Journal of Gastroenterology 2024年第23期30卷 3005-3015页

作者： Yan-Fen Xu Hui-Yun Ma Gui-Ling Huang Yu-Ting Zhang Xue-Yan Wang Ming-Jie Wei Xiao-Qing Pei Department of Ultrasound State Key Laboratory of Oncology in South ChinaGuangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and TherapyGuangdong Provincial Clinical Research Center for CancerSun Yat-sen University Cancer CenterGuangzhou 510060Guangdong ProvinceChina Department of Radiology State Key Laboratory of Oncology in South ChinaGuangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and TherapyGuangdong Provincial Clinical Research Center for CancerSun Yat-sen University Cancer CenterGuangzhou 510060Guangdong ProvinceChina Department of Medical Ultrasound State Key Laboratory of Oncology in South ChinaGuangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and TherapyGuangdong Provincial Clinical Research Center for CancerSun Yat-sen University Cancer CenterGuangzhou 510060Guangdong ProvinceChina

BACKGROUND Gastric cancer(GC)is the most common malignant tumor and ranks third for cancer-related deaths among the *** disease poses a serious public health problem in China,ranking fifth for incidence and third for *** of the invasive depth of the tumor is vital to treatment *** To evaluate the diagnostic performance of double contrast-enhanced ultrasonography(DCEUS)for preoperative T staging in patients with GC by comparing with multi-detector computed tomography(MDCT).METHODS This single prospective study enrolled patients with GC confirmed by preoperative gastroscopy from July 2021 to March *** underwent DCEUS,including ultrasonography(US)and intravenous contrast-enhanced ultrasonography(CEUS),and MDCT examinations for the assessment of preoperative T *** of GC were identified on DCEUS and criteria developed to evaluate T staging according to the 8th edition of AJCC cancer staging *** diagnostic performance of DCEUS was evaluated by comparing it with that of MDCT and surgical-pathological findings were considered as the gold *** A total of 229 patients with GC(80 T1,33 T2,59 T3 and 57 T4)were *** accuracies were 86.9%for DCEUS and 61.1%for MDCT(P<0.001).DCEUS was superior to MDCT for T1(92.5%vs 70.0%,P<0.001),T2(72.7%vs 51.5%,P=0.041),T3(86.4%vs 45.8%,P<0.001)and T4(87.7%vs 70.2%,P=0.022)staging of *** DCEUS improved the diagnostic accuracy of preoperative T staging in patients with GC compared with MDCT,and constitutes a promising imaging modality for preoperative evaluation of GC to aid individualized treatment decision-making.

关键词： double contrast-enhanced ultrasonography Multi-detector computed tomography Gastric cancer T staging

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double contrast-enhanced ultrasonography of a small intestinal neuroendocrine tumor:a case report of a recommendable imaging modality

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Precision Clinical Medicine 2020年第2期3卷 147-152页

作者： Jie-ying Zhao Hua Zhuang Yuan Luo Ming-gang Su Mo-li Xiong Yu-ting Wu Department of Ultrasound West China Hospital of Sichuan University37#Guo Xue XiangChengduSichuan 610041China Department of Nuclear Medicine Imaging West China Hospital of Sichuan University37#Guo Xue XiangChengduSichuan 610041China Department of Pathology West China Hospital of Sichuan University37#Guo Xue XiangChengduSichuan 610041China

A 57-year-old male presenting with spontaneously relieved abdominal cramp and distension was admitted to theWest China *** diagnosis remained unclear after colonoscopy and computed *** contrast-enhanced ultrasonography was then performed and a neoplasm in the small intestine was suspected,supported by a thin-section computed tomography and positron emission tomography/computed *** was confirmed pathologically after surgery to be a small intestinal G1 neuroendocrine *** was performed to remove approximately 25 cm of small bowel and a 3-cm solid mass located in the *** patient had a complete recovery and was tumor-free at the final *** intestinal tumors including neuroendocrine tumors have always posed a diagnostic *** case indicated that double contrastenhanced ultrasonography is feasible in detection of small intestinal neuroendocrine tumors,and it may be an advisable approach assisting diagnosis of small intestinal tumors.

关键词： double contrast-enhanced ultrasonography neuroendocrine tumor small intestinal tumor carcinoid

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