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췌장 낭성 종양으로 오인된 췌장 내 부비장의 유표피 낭종 2예
김지현 ( Jee Hyun Kim ),정광현 ( Kwang Hyun Chung ),오수연 ( Soo Yeon Oh ),이준영 ( June Young Lee ),장승현 ( Seung Hyeon Jang ),이상협 ( Sang Hyub Lee ),류지곤 ( Ji Kon Ryu ),김용태 ( Yong Tae Kim ) 대한췌장담도학회 2014 대한췌담도학회지 Vol.19 No.1
Epidermoid cyst in the intrapancreatic accessory spleen is extremely rare condition which could be mistaken for pancreatic cystic neoplasm. We report two cases of epidermoid cysts of intrapancreatic accessory spleen which mimicking pancreatic cystic neoplasm. Two patients, both male, aged 47 and 53 respectively were referred to our department for pancreatic mass. One was asymptomatic, whereas the other presented worsening abdominal pain and progressive weight loss. In both cases, the mass with cystic component was detected in the pancreatic tail in a computed tomography scan. Under a suspicion of pancreatic cystic neuronendocrine tumor, they underwent a distal pancreatectomy. Pathologic feature of resected specimens were shown to benign squamous lined cyst with splenic tissue in and around cyst wall which suggested that epidermoid cysts in the accessory spleen. We should take into account the possibility of epidermoid cyst in the intrapancreatic accessory spleen in the differential diagnosis of pancreatic cystic lesion. Korean J Pancreatobiliary 2014;19(1):52-58
이하나(Ha-Na Lee),김기태(Gi-Tea Kim),정광현(Kwang-Hyeon Chung),차동혁(Dong-Hyuk Cha),정명진(Myung-Jin Chung) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
In this study, we propose an image processing position control system for 90-degree delta robot with four actuators. The robot places four actuators arranged at 90-degree to solve the problem of overloading the motor of the conventional 120 degrees delta robot. Inverse kinematics was used to move the delta robot in its exact location. Image processing can be used to control the position of the end effector of the delta robot. For image processing, position of the webcam at a 70-degree angle at 32cm height. The system allows us to determine the position, color, and slope of shapes. The measuring area is 30cm wide and 20cm long. The area that can be driven by image processing is the same as the measurement area. The operation of the proposed delta robot was confirmed, and the operation experiment was carried out.