We analyze ninty-seven cases of Colles fractures treated with closed reduction and sugar tong splint immobilization and followed for more than 1 year at Seoul National University from January 1981 to Decmber 1985. The results of this study were as follows; l. All of 97 cases were closed fractures and the incidence was high in females who aged over 6th decades. The main cause of this injury was slipping down accident comprising of 68.0%. 2. 63 cases (64.9%) were simple extra-articular fractures, and 34 cases (35.1%) were comminuted intra-articular fractures. 3. In a group of simple extra-articular fracture the functional end result was satisfactory in 88.9%, so closed reduction and sugar tong splint were thought to be a good procedure in this group. 4. In a group of comminuted intra-articular fracture the functional end result was satisfactory in 58.9% only. In the cases which show unacceptable loss of position during first two weeks of routine sugar tong splint immobilization we feel another technique is indicated, such as.pin and plaster immobilization or percutaneous pinning. 5. The main cause of unsatisfactory result was malunion, which was produced by loss of reduction position.
Clinical Study ; Colles' Fracture ; Female ; Fractures, Closed ; Humans ; Immobilization ; Incidence ; Intra-Articular Fractures ; Seoul ; Splints

Recently data about performances in radiology department tend to increase rapidly and appropriate use of computer system is needed to monitor variuos jobs including scheduling of the patient, reporting of radiologic examination and film library management. The authors describe experiences in computerizing several jobs of radiology departement using Aplle II personal computer during last uear, and our experiences suggest that with appropriate soft ware and peripheral devices, personal computer can handle relatively large amount of informations about a certain functions in radiology department. The authors also put emphasis on the point that meticulous characterization and cocumentation of data is mandatory for effective use of computer system and should be done by radiologist who use or want to use computer system.
Computer Systems ; Humans ; Microcomputers

PURPOSE: To evaluate the relative value of arterial, portal venous and delayed phase images of spiral CT in the detection of metastatic tumor of the liver. MATERIALS AND METHODS: Forty-three metastatic tumors in twelve patients were underwent tri-phasic spiral CT examination with injection of 120 ml ionic contrast material (36 g of iodine) at the rate of 3 ml/sec. Arterial, portal venous and delayed phase CT images were obtained 35, 65, and 360 seconds after the start of contrast injection, respectively. RESULTS: Arterial phase images detected 35(81%), portal venous phase images 43(100%), and delayed phase images 34(79%) lesions, respectively(p<0.05). All masses larger than 2cm(n=23) were detected in all three phases, whereas 60%, 100%, 55%of the masses smaller than 2cm(n=20) were detected in arterial, portal venous and delayed phase CT, respectively. The best contrast between masses and the hepatic parenchyma was in portal venous phase followed by arterial and delayed phase(p<0.01). In two hypervascular masses, the contrast was better in arterial phase. CONCLUSION: Portal venous phase of spiral CT is optimal in the detection of metastatic tumor of the liver. Arterial phase may be helpful for the detection of hypervascular metastasis. Delayed phase should be used restrictively.
Humans ; Liver* ; Neoplasm Metastasis ; Tomography, Spiral Computed*

PURPOSE: We evaluated the role of conventional CT for preoperative staging of gastric carcinoma. MATERIALS AND METHODS: Conventional CT was prospectively performed in 95 patients with gastric adenocarcinoma proved by means of endoscopic biopsy, and findings were compared with those of surgery or pathology. RESULTS: In the evaluation of pancreatic invasion of the primary tumor, the sensitivity, specificity, and diagnostic accuracy of CT were 71%(5/7), 95%(84/88), and 94%(89/95), respectively. CT depicted transverse mesocolon invasion in only one of the 4 cases(25%). In the evaluation of lymph node metastasis, the sensitivity, specificity, and diagnostic accuracy were 33%(24/72), 99%(867/878), and 94%(891/950), respectively. In lymph node staging, 49 patients(52%) were correctly staged, 39(41%) were understaged, and 7(7%) were overstaged with CT. CT failed to demdnstrate peritoneal carcinomatosis in all 10 patients. CONCLUSION: The role of conventional CT in the preoperative evaluation of gastric adenocarcinoma is limited due to poor sensitivity despite of good specificity and accuracy.
Adenocarcinoma ; Biopsy ; Carcinoma ; Humans ; Lymph Nodes ; Mesocolon ; Neoplasm Metastasis ; Pathology ; Prospective Studies* ; Sensitivity and Specificity

Mirizzi syndrom is a rare disorder characterized by obstruction of common hepatic duct due to impacted gallbladder neck or dystic duct stone and is an uncommon cause of obstructive jaundice. Authors experienced one case of Mirizzi syndrome mimicked lobulated intraductal tumor.
Gallbladder ; Hepatic Duct, Common ; Jaundice, Obstructive ; Mirizzi Syndrome ; Neck

No abstract available.
Biomarkers* ; Carcinoma, Hepatocellular* ; Hepatitis B* ; Hepatitis* ; Humans ; Korea* ; Prevalence*

PURPOSE: The purpose.of this study was to characterize the enhancing patterns of hepatocellular carcinoma (HCC) on two-phase dynamic incremental liver scan with spiral CT. MATERIALS AND METHODS: Two-phase dynamic incremental liver scan using spiral CT was performed on 230 lesions in 107 patients with HCC. CT scanning was performed with a table speed of 13mm/sec and a section thickness of 10 mm;120 mL of contrast medium was injected intravenously with a automatic injector at the rate of 3mL/sec. CT scans were started 35 sec(early phase) and 3 min(delayed phase) after beginning injection of contrast medium. The tumors were divided into 2 groups according to size(< or = 3cm and > 3cm), the contrast enhancement patterns of HCCs and capsules in the early and delayed phases were analyzed in each group. RESULTS: Most of HCCs appeared as high-attenuating lesions in the early phase(75% in tumors smaller than 3cm and 61% in tumors larger than 3cm), and as low-attenuating lesions in the delayed phase(68% in tumors smaller than 3cm and 90% in tumors larger than 3cm). Forty-eight percent of HCCs smaller than 3cm and 58% of HCCs larger than 3cm were high-attenuating in the early phase and low-attenuating in the delayed phase. Thirty-two percent of capsules were low- or iso-attenuating in the early phase and high-attenuating in the delayed phase. Capsules were demonstrated in 22% in HCCs smaller than 3cm and 67% in HCCs larger than 3 cm(p <. 01). CONCLUSION: Two-phase dynamic scan with spiral CT is useful in the diagnosis of HCC because of a precise display of hemodynamic characteristics of HCCs.
Capsules ; Carcinoma, Hepatocellular* ; Diagnosis ; Hemodynamics ; Humans ; Liver ; Tomography, Spiral Computed* ; Tomography, X-Ray Computed

PURPOSE: To evaluate the efficacy of the arterial phase of dynamic spiral CT in the detection of pancreatic adenocarcinoma compared with the late phase. MATERIALS AND METHODS: Two phase spiral CT images of seventeen patients with pathologically proven pancreatic ductal adenocarcinomas were compared retrospectively. CT scans were performed with 5mm collimation at 1:1 pitch table speed. Images of arterial and late phases were obtained at 35 seconds and 180 seconds after initiation of administration of 100mL of contrast material(3mL/sec), respectively. Images of the arterial phase were compared with those of the late phase. RESULTS: Images of the arterial phase showed sufficient contrast between the tumor and adjacent pancreatic parenchyma in 12 cases, insufficient in four cases, and no significant contrast in one case. Images of the late phase showed sufficient contrast in five cases, insufficient in five cases, and no significant contrast in seven cases. Images of the arterial phase was superior to that of the late phase in 12 patients(70.6%). In six of the 12 patients, only the images of the arterial phase showed contrast between the tumor and the adjacent parenchyma. The images of late phase showed only one case of three metastasis detected on the images of the arterial phase. CONCLUSION: The arterial phase of spiral CT is superior to the late phase that is comparable with conventional CT in the detection of pancreatic adenocarcinoma.
Adenocarcinoma* ; Humans ; Neoplasm Metastasis ; Pancreatic Ducts ; Retrospective Studies ; Tomography, Spiral Computed* ; Tomography, X-Ray Computed

PURPOSE: To compare the efficacy and safety of ultrasound guided automated gun biopsy with fine needle aspiration biopsy of focal liver lesions. MATERIALS AND METHODS: We performed 32 automated gun(19.5G Autovac Biopsy Needle) biopsies and 27 fine needle aspiration(22G Westcott Style Biopsy Needle) biopsies in 48 patients with malignant focal liver lesion under the guidance of ultrasound. We compared the "positive for malignancy rate" and "pathologic diagnosis rate" of both methods with final diagnosis, and the rate of complications. RESULTS: The "positive for maiignancy rate" of automated gun biopsy and needle aspiration are 84.4%(27/32) and 66.7%(18/27) respectively(p=0.11). The "pathologic diagnosis rate" are 84.4%(27/32) and 55.6%(15/27) with significant statistical difference(p<0.05). And there is no difference of the rates of significant complications. CONCLUSION: When compared with the fine needle aspiration biopsy, ultrasound-guided automated gun biopsy is safe and more effective method for malignant focal liver lesion.
Biopsy* ; Biopsy, Fine-Needle* ; Diagnosis ; Humans ; Liver* ; Needles ; Ultrasonography*

Digital subtraction angiography(DSA) was made in 72 patients at department of radiology, Seoul National University hospital from February 1982 to January 1983 with our system, SRM-II, developed by cooperation of department of medical engineering, Seoul National University Hospital. The results were as follows; 1. In the total 72 cases, vascular disease was 28 cases in which aortic disease including Takayasu's aortitis was 18 cases. Others were vascular tumors in 32 cases and various conditions such as renal donor and artificial arteriovenous shunt. 2. Extent of the lesion was well delineated especially in aortic disease in cluding 8 cases of Takayasu's aortitis, 6 cases of aortic aneurysm and 2 cases of Behcet's syndrome. 3. DSA can be done to outpatient without admission because of its simplicity and non-invasiveness. DSA is useful especially in the evaluation and follow-up of vascular disease and the diagnostic value is expected to grow continuously according to the renewal of system.
Angiography, Digital Subtraction* ; Aortic Aneurysm ; Aortic Diseases ; Aortitis ; Behcet Syndrome ; Follow-Up Studies ; Humans ; Outpatients ; Seoul ; Tissue Donors ; Vascular Diseases