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급성충수염(急性蟲垂炎)의 단순복부촬영상(單純腹部撮影像)의 방사선학적(放射線學的) 고찰
이종태,서정호,최병숙 대한소화기학회 1975 대한소화기학회지 Vol.7 No.2
In 24 cases of surgically proven acute appendicitis, the X-ray findings of simple abdomen prior to operation were analysed at the Department of Radiology, Severance Hospital. We have proved the possibility of accurate roentgen diagnosis, even in cases with vague and nonsuggestive clinical symptoms. he radiological findings are as follows: 1. In 92.7% of cases the reflex ileus findings of bowel are noted. 2. In over 71% of cases the gaseous distension of bowel around appendix is noted. It has the significant diagnositic value of acute appendicitis when correlated with t.he clinical symptoms. 3. In 4.0% of cases the extra-alimentary free-air shadows are noted, they are found almost at the subhepatic region. 4. In 1.6% of cases the coproliths are noted, it has almost definite diagnostic significance. 5. The obliteration of right flank line or inferior hepatic angle shows diagnostic value in the cases of local or pan-peritonitis with the acute appendicitis. 6. The shadows of much fecal densities (over 58.9% of cases) will be significantly related to the acute appendicitis.
이종태 대한영상의학회 1986 대한영상의학회지 Vol.22 No.5
Percutaneous catheter drainage has been reported to be an effective method in the management of selected patients with abscess adn fluid collection. Its high success rate and relatively low complications make the procedure an alternative to surgery in the individual cases. During past two years percutaneous catheter drainage in 25 patients with itraabdominal abscesses and fluid collection was performed at the Department of Raiology, Yonsei University College of medicine. Here the technique and author's results were summarized : 1. The total 25 patients who had percutaneous catheter drainage are 10 liver abscesses, 3 subphrenic,one sughepatic,4 renal and perirenal,2 pelvic, one psoas, one anterior pararenal fluid from acute pancreatitis, one pancreas psudocyst and 2 malignant tumor necrosis. 2. The modified Seldinger technique used for all cases of abscess and fluid drainage under guidence of ultrasound scan. The used catheters were 10 F. Pigtail and 14 F. Malecot (Cook c/o) c theters. 3. The abscesses and fluid o f17 patients among 25 were cured by the percutaneous catheter drainage and 4 patients were clinically improved. The catheter drainage was failed in 2 patients and 3 complications were developed. 4. The success rate of this procedure was 91.3%, failure rate was 8.7% and complication rate was 12%.
간세포암의 초음파상 및 초음파영상을 이용한 경피세침 흡인생검의 세포학적 진단
이종태 대한영상의학회 1990 대한영상의학회지 Vol.26 No.5
Two hundred and eight patients with hepatocellular carcinoma were examined and analysed from the point of ultrasonographic features and ultrasonoguided percutaneous fine needle aspiration biopsy cytologic evaluation. In addition to these, hepatitis B surface (HBs) antigen and serum alpha-fetoprotein (AFP) levels were reviewed in 174 cases among these patients. Hepatitis-B surface antigen in serum was positive in 67.5% of cases studied, which was considered to be higher than that of other reports. Serum alpha-fetoprotein level was elevated above 20ng/$m\ell$ in 62.8%, as not related with tumor size. All cases of 208 patients ultrasonically had liver mass or masses, which were smaller than 5cm in diameter in 49 cases, and larger than 5cm in 159 cases. In general, ultrasound findings of mass or masses smaller than 5cm showed well margination(81%), low echo halo(44.9%), posterior acoustic enhancement(44.9%) and various internal echoes with low(32.7%), high(36.75), mixed(30.6%) and mosa c pattern (22.4%). But in cases of larger than 5cm, all of the above ultrasound findings were variable; they were poorly marginated(43%), mostly high and mixed internal echoes rather than low(5.1%), halo (2033%) and mosaic pattern(31.6%). The accuracy of cytologic diagnosis of hepatocellular carcinoma by percutaneous ultrasonoguided fine needle aspiration biopsy done in 208 patiens, was 93.1% as the results similar to other reports. The cytologic characteristics of hepatocellular carcinoma are hypercellularity, trabecular arrangement of cells, hepatocyte-like cells, endothelial lining, multinucleated giant cells, intranuclear inclusion and prominent nucleioli.
이종태 대한영상의학회 1989 대한영상의학회지 Vol.25 No.6
During the past one and half year we performed ESWL therapy in 13 patients with common bile dust and intrahepatic duct stones applying Lithostar-R (Siemens co, West Germany) and analyzed their results. In 13 patients 9 residual common bile duct stones and 7 intrahepatic duct stones were selected postoperatively. The size of stones were ranged from 0.7cm to 3.5 cm in diameter. 2 stones were multiple and the remained 14 were single in number. The visualization of stones were done with fluoroscopy after the injection of contrast media via cholangiogrgraphic T-tube or ERCP. ESWL were applied continuosly until stone disintegra-tion was visible or upto maximumu number of 3500 discharge of shock wave. If not disinte-grated upto 3500 patientw were underwent second or third lithotripsy session with interval of one week. Our resultw showed that among 9 common bile duct stones 4 were completely disintegrated and passed out spontaneously but 3 partially fragmented and removed by the additional procedure. 2 were failed. Among 7 intrahepatic stones 3 completely and 2 partially were succeeded One stone partially fragmented were retained without removal and other one were failed. Skin petechia in all patients were revealed on the entry port of shock wave but no serous complication was not occured.