Purpose: To prospectively evaluate accuracy of multi–detector row computed tomographic (CT) images for preoperative staging gastric cancer by using surgical and histopathologic results as reference standards. Materials Methods: This study had institutional review board approval; informed consent was obtained from all patients. Multi–detector CT included acquisition virtual gastroscopy after air distention contrast material–enhanced dynamic transverse multiplanar reformation (MPR) water...

To prospectively investigate the apparent diffusion coefficient (ADC) and choline levels measured at hydrogen 1 ((1)H) magnetic resonance (MR) spectroscopy, to monitor therapeutic responses of hepatocellular carcinoma (HCC) transcatheter arterial chemoembolization (TACE).Institutional review board approval was obtained, all patients control subjects provided informed consent. Histologically proved large HCCs (>3 cm in diameter) were evaluated 20 (16 men four women; mean age, 59 years; range,...

To evaluate the association of pleural tags with visceral invasion non-small cell lung cancer (NSCLC) that does not abut surface.This retrospective study was approved by institutional review board. Informed consent waived. The NSCLC pleura in 141 patients (44 [31.2%] proved pathologic analysis and 97 [68.8%] without invasion) conducted at a single tertiary center. were classified into three types (type 1, one or more linear tag; type 2, tag soft tissue component end; 3, cord-like tag)...

The pelvic girdle, thigh, and calf muscles of 29 patients with Duchenne muscular dystrophy (DMD) were evaluated magnetic resonance (MR) imaging. that most resistant to disease the gracilis, followed by sartorius, semitendinous, semimembranous. Sixteen had asymmetric involvement in part muscle bundles thigh. An MR grading system was developed assess number preserved thigh muscles, severity fatty infiltration calf, increase subcutaneous fat. Statistically significant correlations obtained...

<h3>BACKGROUND AND PURPOSE:</h3> ESRD results in excessive accumulation of urea and toxic metabolites. Hemodialysis is usually performed to maintain health patients with ESRD; however, it may cause silent white matter alterations the earlier stages. Hence, this study aimed perform voxelwise diffusion tensor analysis for global detection subtle ESRD. <h3>MATERIALS METHODS:</h3> Twenty-eight 25 age-matched control subjects were enrolled study. Each subject underwent CASI assessment DTI. After...

PURPOSE: To evaluate the usefulness of magnetic resonance (MR) cholangiography in excluding biliary atresia as cause neonatal cholestasis. MATERIALS AND METHODS: MR was performed on 10 control and 16 jaundiced neonates infants aged 3 days to 5 months. Diagnosis (n = 6) confirmed with surgery liver biopsy, or without surgical cholangiography. hepatitis 9) clinical follow-up until jaundice resolved. In one infant, paucity intrahepatic ducts diagnosed at biopsy. respiratory-triggered, heavily...

Objective: Diffusion-weighted imaging (DWI) is usually performed before administration of intravenous contrast agents. Repetition DWI occasionally necessary after administration, but the effects material on and apparent diffusion coefficient (ADC) values in abdomen have not yet been fully examined. The purpose this work to assess whether gadolinium-based significantly affects ADC at focal hepatic lesions. Methods: results 3.0 T (Signa VH3; GE Medical Systems, Milwaukee, WI) were examined 20...

Background: When implanting a permanent central venous catheter, the usual aim is to place tip at superior vena cava/right atrial (SVC/RA) junction. However, data validating radiographic landmarks of SVC/RA junction are limited. This investigation was undertaken compare with as determined by transesophageal echocardiography (TEE). Methods: In 20 adult oncologic patients undergoing implantation subcutaneous catheter placed in under TEE guidance. The position on chest X‐ray, which represented...

The purpose of this study is to evaluate the image quality split-bolus portal venous phase urography and potential reduction radiation dose by using a second-generation dual-source dual-energy CT (DECT) scanner.DECT was performed in 84 patients. Unenhanced 20 minutes after drinking 800 mL water. protocol consisted sequence injections, as follows: 200 normal saline (2.0 mL/s), 50 contrast medium (2.5 mL/s) at 0 second, 70 360 seconds, flush 25 mL. scan started 420 seconds. Virtual unenhanced...

To investigate the correlation between muscle function and metabolism in tissue of Duchenne muscular dystrophy (DMD) patients by vivo proton magnetic resonance spectroscopy. Materials Methods: In this prospective study, we enrolled 8 boys with DMD healthy volunteers. spectroscopy soleus muscles was performed using a whole-body 3.0-Tesla imaging unit knee coil. The levels trimethyl ammonium (TMA) total creatine (tCr) were measured. We compared TMA/water, tCr/water, TMA/tCr ratios, scores for...

The purpose of this study is to evaluate the diagnostic performance split-bolus portal venous phase dual-energy CT (DECT) urography in patients with hematuria.True unenhanced and contrast-enhanced weighted-average images were obtained 171 hematuria. Virtual iodine-overlay reconstructed from 80-kVp tin-filtered 140-kVp scans. Images independently reviewed by two radiologists who blinded final diagnoses separate reading sessions: virtual (single phase) first session true (dual second (mean ±...

To retrospectively compare computed tomographic virtual gastroscopy (VG) and conventional optical gastroendoscopy for the differentiation of malignant benign gastric ulcers.The institutional review board approved this study confirmed that informed consent was not required. Gastric ulcers in 115 patients (mean age, 64.7 years; range, 31-86 61 men, 54 women) were evaluated by using endoscopy VG. Ulcer shape, base, margin periulcer folds two independent reviewers. Malignant identified...

The purpose of this study was to evaluate the efficacy MDCT in differentiation diseases involving giant gastric folds and identify features most useful for predicting presence malignant disease.Blinded reviewers retrospectively analyzed 16-MDCT scans 64 patients who had endoscopic findings folds. Thirty these histopathologic results showing scirrhous carcinoma; 15, large B-cell lymphoma; 14, acute mucosal lesions; five, Ménétrier disease. Unenhanced transparent volume-rendered images were...

To evaluate the diagnostic accuracy and potential radiation dose reduction of dual-energy CT (DECT) for tumor (T) staging colorectal cancer (CRC) using iodine overlay (IO) virtual nonenhanced (VNE) images.This retrospective study included 103 consecutive patients who underwent enhanced DECT preoperative CRC staging. Enhanced weighted-average (WA), IO VNE images were reconstructed from 80 kVp Sn140 scans. Two radiologists assessed image qualities true (TNE) images. For T-staging, another two...

The aim of the study is to evaluate use tumor border in peripheral non-small cell lung cancer (NSCLC) as an indicator pleural invasion. This retrospective was performed at a single tertiary center. analysis 136 patients with NSCLC included 101 (74.3%) pathologically proven invasion and 35 (25.7%) without borders on conventional computed tomography (CT) were classified into 5 types window setting: type 1, S or reverse blunt angle; 2, sharp 3, concave 4, straight perpendicular 5, convex angle....

MDCT for Differentiation of Category T1 and T2 Malignant Lesions from Benign Gastric UlcersChiao-Yun Chen1 2, Deng-Chyang Wu3, Yu-Ting Kuo1 Chien-Hung Lee4, Twei-Shiun Jaw1 Wan-Yi Kang5 Jui-Sheng Hsu1 6Audio Available | Share

ABSTRACT Background: Apathy is a condition characterized by lack of motivation that manifests in emotional, behavioral, and cognitive domains. Although previous studies have indicated apathy associated with frontal lesions, few focused on the different subdomains apathy, no vivo human biochemical data been obtained to examine neurochemical changes related patients Alzheimer's disease (AD). Thus, we investigated alterations among AD using proton magnetic resonance spectroscopy ( 1 H MRS)....