No abstract available.
Carcinoma, Hepatocellular* ; Ethanol*

Even though ultrasonography is a primary tool for evaluation of gynecological pelvic mass, CT can be helpful when ultrasonography is suboptimal either because of abundant intestinal gas or marked obesity. Authors experienced 3 cases of hydatidiform mole demonstrated by CT. The findings of hydatidiform mole are enlargement of uterus, low density in the uterine cavity, irregular soft tissue mass with small multiple cysts, and strong contrast enhancement of the soft tissue mass within the uterine cavity. CT can be a useful diagnostic tool for differentiation of hydatidiform mole from choriocarcioma because of good visualization of uterine wall and pelvic structures.
Female ; Hydatidiform Mole ; Obesity ; Pregnancy ; Ultrasonography ; Uterus

Acute suppurative cholangitis is a severe inflammatory process of the bile duct occurred as a result of partial or complete obstruction of the bile duct, and may manifest clinically severe from of disease, rapidly deterioration to life-threatening condition. We analyzed emergency percutaneous transhepatic biliary drainage in 20 patients of acute suppurative cholangitis with biliary sepsis to evaluate the therapeutic effect and complication of the procedure. The underlying causes were 12 benign diseases(stones) and eight malignant tumors and among eight malignant tumors, bile duct stones(n=4) and clonorchiasis (n=1) were combined. Percutaneous transhepatic biliary drainage was performed successfully in 17 of 20 patients improvement of general condition and failed in three patients. The procedures were preterminated due to the patient's condition in two and biliary-porto fistula was developed in one. After biliary decompression by percutaneous transhepatic biliary drainage, effective and successful elective surgery was performed in nine cases, which were seven biliary stones and two biliary cancer with stones. Our experience suggests that emergency percutaneous transhepatic biliary drainage is an initial and effective treatment of choice for acute suppurative cholangitis with sepsis and a safe alternative for nonsurgical treatment.
Bile Ducts ; Cholangitis* ; Clonorchiasis ; Decompression ; Drainage* ; Emergencies ; Fistula ; Humans ; Sepsis*

PURPOSE: To evaluate preoperative N staging of advanced gastric cancer(AGC) using helical CT according to thenew TNM classification. MATERIALS AND METHODS: Helical CT findings of AGCs in N staging were prospectivelyevaluated and correlated with pathologic staging in 60 patients with AGCs who underwent surgery. In all patients,contrast-enhanced helical CT with 5 -7 mm silce thickness and 5 -7 mm reconstruction was performed after ingestionof 600 - 800ml of water. A total of 150ml of contrast medium was administered intravenously at a rate of 4mL/secand CT scans were obtained 60 seconds after the initiation of intravenous administration of contrast medium. CTnodal status was assessed according to the 1997 UICC/AJCC N staging system as: N0, no lymph node metasta-sis; N1,1 -6 metastatic regional lymph nodes; N2, 7 -15 metastatic regional lymph nodes; N3, more than 15 metastaticregional lymph nodes. Lymph nodes at least 5mm in short-axis diameter or more than three lymph nodes in a focalarea (clustered appearance) regardless of size were interpretated as positive for metastasis. RESULTS: Of thetotal 1,334 lymph nodes dissected, 352(26%) were positive for metastasis. The sensitivity of helical CT scans in Nstaging of AGCs was 61%, specificity was 36 %, and overall accuracy was 55% (33 of 60cases), Nine(15 %) cases wereoverstaged and 18(30 %) were understaged. CONCLUSION: Our results indicate that the results of helical CT inpreoperative N staging of AGCs according to the new TNM classification showed no improvement despite theapplication of favorable criteria for lymph node metastasis. Further evaluation using various analytic approachesis necessary.
Administration, Intravenous ; Classification ; Humans ; Lymph Nodes* ; Neoplasm Metastasis ; Sensitivity and Specificity ; Stomach Neoplasms* ; Tomography, Spiral Computed* ; Tomography, X-Ray Computed ; Water

Inflammatory fibroid polyp(IFP), a localized non-neoplastic growth of the digestive wall, is a rare diseaseand arising from the deep mucosa and submucosa of the gut wall. It is not a true neoplastic tumor; forconve-nience, however, it is referred to as a submucosal tumor. Although the exact pathogenesis of an IFP isun-known, it thought to result from a reactive process rather than a neoplasm. We report the radiologic findingsof IFP of the stomach, demonstrating histopathologic correlation.
Leiomyoma* ; Mucous Membrane ; Polyps* ; Stomach*

PURPOSE: Percutaneous trasnluminal angioplasty (PTA) of a malfunctioning arteriovenous fistula (AVF) in hemodialysis patients requires the use of contrast angiography and fluoroscopy guidance. We attempted to perform this procedure under duplex ultrasound guidance to reduce the amount of contrast agent administered and to reduce the radiation dose during the interventional procedures. MATERIALS and METHODS: From September 2006 to February 2007, 45 patients received interventional treatment due to malfunctioning hemodialysis access in our hospital. Among the patients, we selected 10 patients diagnosed with stenosis of an autogenous arteriovenous fistula based on a physical examination. There were six males and four females aged 51-78 years (mean age, 59 years). Seven of these patients had a Brescia-Cinimo type fistula and three patients had a basilic vein transposition. All procedures were performed in the angiography suite. All procedures that required angioplasty were performed under duplex ultrasound guidance and then contrast angiography was performed to confirm the final patency of the vessels. Conventional angioplasty was also performed under fluoroscopy guidance for any lesions that required an additional angioplasty. The volume flow before and after the PTA and procedure time were recorded. Clinical success was defined as the performance of one or more successful hemodialysis sessions after treatment. RESULTS: Eight of ten patients did not require an additional angioplasty by conventional angiography after the duplex- guided angioplasty. One case showed recoiling of stenosis after the duplex-guided PTA and another case was missed at duplex scanning due to the extremely short nature of the recoiling of stenosis. The mean volume flow before and after PTA was 167 ml/min (range, 80-259 ml/min) and 394.2 ml/min (range, 120-586 ml/min), respectively. No complications associated with the duplex-guide procedure occurred. In nine cases, PTA enabled hemodialysis to be conducted more than one time. In one case, hemodialysis was not possible to perform due to an inadequate maturation of a fistula. The mean duration of the procedure was 38 minutes (range, 23-50 minutes). CONCLUSION: Duplex-guided percutaneous angioplasty of autogenous AVF stenosis in hemodialysis patients is technically feasible and can be used as an ancillary method in addition to the use of the conventional fluoroscopy- guided method.
Angiography ; Angioplasty ; Angioplasty, Balloon* ; Arteriovenous Fistula* ; Constriction, Pathologic ; Female ; Fistula ; Fluoroscopy ; Humans ; Male ; Ocimum basilicum ; Physical Examination ; Renal Dialysis ; Ultrasonography ; Veins

We had a retrospective study for taumatic fracture of spines with simple X-ray and CT. During the period of 2years from June 1983, the radiological and clinical evaluation had been made on 36 patients suffered from traumatic fracture of spines which were confiremd by the radilgocial examination. The results were as follows; 1.Among 36 patients, single spinal injury was 26 cases(72.2%), multiple level injuries was 10 cases(27.7%). 2. Levelof spinal injuries were as follows; Most frequent site was thoracolumbar junction (T11-L2) in 19 cases(52.7%), andlower cervical spine(C3-C7) in 9 cases(25%). 3. Simple fracture was in 15 cases(41.6%), burst fractures was in 21cases(58%). Neurologic symptoms were appeared in 11 cases(52%) in 21 cases of burst fractures. 4. Manifestationsof spinal canal narrowing: 2 of 15 cases in simple fracture, all of 21 cases of burst fractures,and we were foundexactly posterior element fractures with CT, which were difficult to detect with simple X-ray film. 5. Multiplanar reconstruction images were more favorable to detect the distraction of facet joint, fracture through the vertebralendplate, subluxation and kyphosis, which were difficult to detect with axial CT images.
Humans ; Kyphosis ; Neurologic Manifestations ; Retrospective Studies ; Spinal Canal ; Spinal Fractures ; Spinal Injuries ; Spine ; X-Ray Film ; Zygapophyseal Joint

Spinal tuberculosis is curable disease, and early diagnosis is mandatory for early treatment. We reviewedconventional radiographies and CT from Histopathologically confirmed 30 cases of spinal tuberculosis, and comparedthese findings with radiologic findings from 2 cases of pyogenic spondylitis and 4 cases of meastasis. The resultswere as follows: 1. The frequnet site of involvement were thoracolumbar juntion and low lumbar vertebrae, and themost frequent type is multisegmented subligamentous type (93.3%). 2. CT was not of great use in the diferentaldiagnosis of the tuberculosis. Dominant CT findings of tuberculous spondylitis were anterior vertebral bodydestruction, paravertebral soft-tissue mass and thick walled abscess formation occasionally containingcalcification and disc space narrowing, in the setting of an indolent or relatively benign course. 3. CT is thebest modality for imaging the extent and anatomy of the destructive process, the degree of canal encroachment, andthe change of adjacent vital structure. So CT was particularily useful in pre-operative planing of debridement andstabilization surgery. 4. The most common causes of neurologic manifestations in tuberculous spondylitis were thecompression of spinal cord by sequestrated bony fragments and disc material, granulation tissue or abscess in thespinal canal.
Abscess ; Debridement ; Early Diagnosis ; Granulation Tissue ; Lumbar Vertebrae ; Neurologic Manifestations ; Spinal Cord ; Spondylitis ; Tuberculosis ; Tuberculosis, Spinal

PURPOSE: To evaluate MRI(Magnetic Resonance Imaging) findings of miliary tuberculosis of the brain. MATERIALS AND METHODS: Six patients with miliary tuberculosis of the brain diagnosed by characteristic clinical or laboratory findings were studied with spin echo MRI before and after contrast enhancement. We retrospectively evaluated MRI findings acording to the appearance, distribution, location, and enhancement pattern of the granulomas as well as associated other abnormalities. RESULTS: In six patients, contrast-enhanced MRI of thebrain showed numerous punctate, contrast enhancing lesions scattered throughout the brain. Unenhanced MRI failed to demonstrate small granulomas except a few small foci of high signal intensity on T2-weighted images. The shapes of enhancing granulomas were homogeneous nodular enhancement in 86% of cases and small ring enhancement in 14%.98% of granulomas were smaller than 3-mm and 2% were larger. Although several lesions were located in the basalganglia, thalamus, and brain stem, the majority were located in the subpial and subarachnoid space. There was no significant difference in distribution of granulomas between the supratentorial and the infratentorial areas. Other associated abnormalities were focal meningitis in five cases and focal cerebritis in one. On chest radiograph, all patients had miliary tuberculosis in the lungs. CONCLUSION: Contrast-enhanced T1-weighted MRimaging showed numerous round, very small enhancing lesions scattered throughout the brain. The majority of lesions were located in the subpial and subarachnoid space. Contrast-enhanced T1-weighted images are helpful inthe detection and diagnosis of miliary disseminated tuberculous granulomas and meningitis.
Brain Stem ; Brain* ; Diagnosis ; Granuloma ; Humans ; Lung ; Magnetic Resonance Imaging* ; Meningitis ; Subarachnoid Space ; Thalamus ; Tuberculosis, Central Nervous System ; Tuberculosis, Miliary*

Polyarteritis nodosa is a systemic inflammatory disease resulting from necrotizing angitis of small to medium sized arteries. It involves various organs, including the gastrointestinal tract, which is involved in about 50% of all cases. Numerous complications-including abdominal pain, vomiting, and hematemesis-have been reported, but the CT findings have not been described. We report the CT findings in a case of gastric polyarteritis nodosa, and correlate these with the histopathologic findings.
Abdominal Pain ; Arteries ; Arteritis ; Gastrointestinal Tract ; Polyarteritis Nodosa* ; Stomach* ; Vomiting