CAJ | 학술논문

目的描述胰腺转移瘤的螺旋cT平扫和动态增强的表现及其特征.方法收集23例胰腺转移瘤患者,分析胰腺转移瘤的大小、数量、部位、密度形态、强化特征以及继发征象(胆胰管有无扩张、血管有无包绕、远端胰腺有无萎缩).结果 23例胰腺转移瘤患者共发现肿瘤35枚,其中7例为多发癌灶,16例为单发转移.肿瘤最大径平均3.3 cm,主要位于胰体尾.大部分病灶动脉期无明显强化(30枚),门脉期呈相对低密度(23枚)、等密度(4枚)或明显边缘强化(3枚);5枚转移灶动脉期呈明显强化,门脉期呈持续强化.仅l例伴胰胆管扩张,2例伴胰管轻度扩张,1例包绕脾静脉.23例中13例伴有其他部位转移.结论胰腺转移瘤cT有一定的特征,熟悉其表现并结合病史能提高其诊断的准确性.
목적 묘술이선전이류적라선cT평소화동태증강적표현급기특정.방법 수집23례이선전이류환자,분석이선전이류적대소、수량、부위、밀도형태、강화특정이급계발정상(담이관유무확장、혈관유무포요、원단이선유무위축).결과 23례이선전이류환자공발현종류35매,기중7례위다발암조,16례위단발전이.종류최대경평균3.3 cm,주요위우이체미.대부분병조동맥기무명현강화(30매),문맥기정상대저밀도(23매)、등밀도(4매)혹명현변연강화(3매);5매전이조동맥기정명현강화,문맥기정지속강화.부l례반이담관확장,2례반이관경도확장,1례포요비정맥.23례중13례반유기타부위전이.결론 이선전이류cT유일정적특정,숙실기표현병결합병사능제고기진단적준학성.
Objective To evaluate MDCT findings and characteristics of metastatic pancreatic tumors. Methods A total of 23 cases with metastatic pancreatic tumors were collected and the CT findings including the size, number, location, density patterns, enhancement patterns and secondary signs (dilatation of the pancreatic duct and/or bile duct, involvement of peripancreatic vessels, atrophy of distal pancreas) were analyzed retrospectively. Results A total of 35 metastatic pancreatic tumors were identified in the 23 patients. Tumors were multiple in 7 patients, the other 16 patients had single metastatic pancreatic tumor. The mean maximum diameter of the tumors was 3. 3 cm; the majority was located in the pancreatic body/tail. Thirty tumors demonstrated no enhancement in the arterial phase, and in the portal phase 23 tumors were hypodensive compared with normal pancreatic tissue, 4 tumors were isodense and 3 tumors showed a peripheral rim of enhancement. Five tumors showed markedly enhancement in the arterial and portal phase. Only 1 patients had dilated biliary and pancreatic duct, and 2 patients had dilated pancreatic duct. Only 1 case demonstrated involvement of splenic vein. 13 of the 23 patients had extra-pancreatic metastasis. Conclusions Pancreatic metastasis showed certain imaging characteristics. The accuracy of CT diagnosis could be improved by understanding of these CT findings and clinical features.