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보리수나무 뿌리혹으로부터 Frankia EuIKI 공생균주의 분리
김성천(Sung Chun Kim),구창덕(Chang Duck Ku),박민철(Min Chul Park),김준호(Chun Ho Kim),송승달(Seung Dal Song),안정선(Chung Sun An) 한국식물학회 1993 Journal of Plant Biology Vol.36 No.2
The root nodules of Elaeagnus umbellata were coralloid-shape due to repeated dichotomous branching of nodule meristem. The filamentous endophyte with vesicle cluster ranging from 30 ㎛ to 60 ㎛ in diameter was present only in the cortical cells. The isolated endophytes in vitro culture showed typical Frankia morphology, consisting of highly branched hyphae ranging from 0.8 ㎛ to 1.0 ㎛ in diameter, terminal and intraphyphal sporangia varing in shape and size up to 60 ㎛ in length and laminated vesicles. Its infectivity and effectivity were confirmed by induction of nitrogen-fixing root nodules on the inoculated seedlings of two Elaeagnus species. Consequently, the isolate was confirmed as a true symbiont of Elaeagnus umbellata root nodule and named Frankia EuIK1.
식도 이완불능증이 장기간 지속된 환자에서 발생한 조기 식도암 1 예
이구,김창덕,류호상,현진해,김광희,송훤택,구양서 대한내과학회 1994 대한내과학회지 Vol.46 No.1
Achalasia is belived to be a predisposing factor for the development of esophageal cancer. The prevalence rate of esophageal cancer is 3 to 7% among all patient with achalasia. the presumed mechanism responsible for the development of cancer are gastroesophageal reflux and food stasis. Recently, we experienced a 58-year-old man complained of dysphasia for 10years duration. Esophagogram showed marked dilatation of the entire esophagus with tapering of the lower end and smooth round filling defect at mid-esophagus, Esophagoscopy showed a small elevated lesion with erosive surface on the midesophagus and the endoscopic biopsies from lesion re- ported as showing the squamous cell carcinoma. Manometry showed a high LES pressure with impaired relaxation. So, partial esophagectomy and esophagogastrostomy were perfomed. Histopathologically, the esophagus showed segmental absence of ganglion cells in myenteric plexus and the elevated lesion was revealed to squamous cell carcinoma localized to the level of submucosa without metastasis. We present this case with a review of the literature.
김재선,김창덕,류호상,현진해,송훤택,이구 대한소화기내시경학회 1991 Clinical Endoscopy Vol.11 No.2
The pancreatobiliary ductal system is one of the most frequent areas of anatomic variations. Rcently despite the improvement in diagnosis and management of pancreatobiliary lesion, a lack of s more through knowledge and understanding of these variations is undoubtedly reaponsible for many problems of medical and surgical management. Especially, drainage of the common bile duct and the pancreatic duct at sites other than the second portion of the duodenum is an anotomical curiosity. We report two cases of anomalous termination of the common bile duct and the pancreatic duct into the duodenal bulb diagnosed by ERCP and Gastroscopy.