MR-guided localization of suspected breast lesions detected exclusively by postcontrast MRI.

abstract：PURPOSE:To evaluate the agreement and correlation between attenuation values and vascular calcification volume for intra-abdominal structures from true noncontrast (TNC) images and those from virtual noncontrast (VNC) images obtained by dual-source dual-energy computed tomography (CT) using a quadriphasic dynamic proto...

journal_title：Journal of computer assisted tomography

authors： Kim S,Kang BS,Kwon WJ,Bang M,Lim S,Park GM,Lee TY

更新日期：2020-07-01 00:00:00

abstract：:Segmentation of vertebral bones in computed tomographic data is important as a first stage of image-based radiological tasks. However, it is a challenging problem to segment an affected spine correctly. In this study, we propose a new method of segmentation of thoracic and lumbar vertebral bodies from thin-slice compu...

journal_title：Journal of computer assisted tomography

authors： Hanaoka S,Nomura Y,Nemoto M,Masutani Y,Maeda E,Yoshikawa T,Hayashi N,Yoshioka N,Ohtomo K

更新日期：2010-01-01 00:00:00

abstract：:A method is outlined for obtaining direct longitudinal computed tomograms of the forearm using a conventional total body scanner. A case is described in which longitudinal scanning helped define a soft tissue tumor of the forearm and thereby assisted in surgical planning. ...

journal_title：Journal of computer assisted tomography

authors： Nesbit D,Levine E,Neff JR

更新日期：1981-02-01 00:00:00

abstract：OBJECTIVE:The aim of the study was to determine the effects of dose reduction and iterative reconstruction (IR) on pulmonary nodule volumetry. METHODS:In this prospective study, 25 patients scheduled for follow-up of pulmonary nodules were included. Computed tomography acquisitions were acquired at 4 dose levels with ...

journal_title：Journal of computer assisted tomography

authors： den Harder AM,Willemink MJ,van Hamersvelt RW,Vonken EP,Schilham AM,Lammers JW,Luijk B,Budde RP,Leiner T,de Jong PA

更新日期：2016-07-01 00:00:00

abstract：:Several inconstant skull base foramina can be observed on multi-detector-row computed tomographic studies. These include the meningo-orbital foramen, foramen of Vesalius, canaliculus innominatus, palatovaginal canal, persistent craniopharyngeal canal, transsphenoidal canal, canalis basilaris medianus, and fossa navicu...

journal_title：Journal of computer assisted tomography

authors： Ginat DT,Ellika SK,Corrigan J

更新日期：2013-07-01 00:00:00

abstract：:A 3% barium paste was used in the CT evaluation of 100 normal and 60 abnormal esophagi. Successful esophageal opacification occurred in 87% of both groups. In cases of extrinsic disease involving the esophagus the contrast medium administration assisted in separating the esophagus from adjacent mass lesions, as well a...

journal_title：Journal of computer assisted tomography

authors： Conces DJ Jr,Tarver RD,Lappas JC

更新日期：1988-03-01 00:00:00

abstract：OBJECTIVE:To determine the differences in enhancement of hepatocellular carcinoma during the first 5 minutes of postcontrast phases with gadoxetic acid (Gd-EOB-DTPA) vs gadobenate dimeglumine. METHODS:Ninety-five cirrhotic patients with hepatocellular carcinoma were examined on a 1.5-T scanner: 74 patients with Gd-BOP...

journal_title：Journal of computer assisted tomography

authors： Tirkes T,Mehta P,Aisen AM,Lall C,Akisik F

更新日期：2015-07-01 00:00:00

abstract：:The magnetic resonance appearance of three lesions of focal nodular hyperplasia observed in two patients is reviewed. All three lesions demonstrated isointensity with the liver on the short repetition time (TR) and echo time (TE) spin echo images. One lesion also showed a central area of low signal intensity that path...

journal_title：Journal of computer assisted tomography

authors： Schiebler ML,Kressel HY,Saul SH,Yeager BA,Axel L,Gefter WB

更新日期：1987-07-01 00:00:00

abstract：:Lumbar apophyseal fracture is an uncommon injury that occurs during adolescence. We described two cases in young adults with back pain. The radiographic findings were distinctive. In both cases CT demonstrated characteristic bony fragments displaced posteriorly into the spinal canal and a corresponding defect in the p...

journal_title：Journal of computer assisted tomography

authors： Dake MD,Jacobs RP,Margolin FR

更新日期：1985-07-01 00:00:00

abstract：:High-resolution contrast-enhanced dynamic MRI of the uterus can be performed with the combination of a phased-array multicoil and fast GE techniques. This technique can improve the ability to visualize normal anatomy of the uterus and periuterine tissues, including vascular structures and pelvic ligaments, and to dete...

journal_title：Journal of computer assisted tomography

authors： Ito K,Honjo K,Fujita T,Awaya H,Matsumoto T,Matsunaga N

更新日期：1998-09-01 00:00:00

abstract：OBJECTIVE:The dimensions of the optic nerves, chiasm, and tracts were determined in normal patients and in patients with clinical evidence of optic atrophy to establish whether there was a significant difference between the two groups. MATERIALS AND METHODS:The authors analyzed thin section coronal MRI of 110 patients...

journal_title：Journal of computer assisted tomography

authors： Parravano JG,Toledo A,Kucharczyk W

更新日期：1993-09-01 00:00:00

abstract：:Radiological findings in three cases of sigmoid colon carcinoma invading the urinary bladder are reported. An irregular spiculated margin or nodular indentations in region of bladder dome were seen on intravenous urography. A soft tissue mass contiguous with an irregularly thickened urinary bladder wall and a circumfe...

journal_title：Journal of computer assisted tomography

authors： Kim SH,Na DG,Choi BI,Han JK,Han MC

更新日期：1992-09-01 00:00:00

abstract：:Dialysate leakage into subcutaneous tissues occurs not uncommonly in patients on continuous ambulatory peritoneal dialysis. When the leakage site cannot be localized clinically, CT with intraperitoneal contrast medium administration may localize the site. We report our experience with three cases in which this techniq...

journal_title：Journal of computer assisted tomography

authors： Brown DL,Johnson JB Jr,Kraus AP Jr,Duke RA,Barrett MR

更新日期：1987-03-01 00:00:00

abstract：PURPOSE:The aim of this study was to evaluate the exclusive performance of quality-assured high-resolution breast magnetic resonance imaging (MRI) for early detection of breast cancer in a population of asymptomatic women. MATERIALS AND METHODS:A total of 1189 MRI examinations performed in 789 asymptomatic women (mean...

journal_title：Journal of computer assisted tomography

authors： Fischer U,Luftner-Nagel S,Baum F,Marten-Engelke K,Wienbeck S

更新日期：2018-01-01 00:00:00

abstract：OBJECTIVE:This study evaluated the incidence and course of a hematoma occurring after femoral arterial sampling. MATERIALS AND METHODS:We studied 270 patients who underwent computed tomography (CT) including the pelvis and blood gas sampling from femoral artery using a 22-gauge needle during 2010. This population comp...

journal_title：Journal of computer assisted tomography

authors： Ishii S,Miyajima M,Shishido F,Sakuma K

更新日期：2012-03-01 00:00:00

abstract：:The computed tomography (CT) and ultrasound findings in 18 patients (35 kidneys) with non-Hodgkin lymphoma involving the kidneys are presented. Renal involvement was bilateral in 13 patients. The most common presentation was that of multiple intraparenchymal nodules (15 kidneys). Other types of involvement included di...

journal_title：Journal of computer assisted tomography

authors： Heiken JP,Gold RP,Schnur MJ,King DL,Bashist B,Glazer HS

更新日期：1983-04-01 00:00:00

abstract：:The anatomy of the teeth and surrounding bony structures is easily illustrated by computed CT image protocols, which produce detailed surface renderings of this complex area. The purpose of this article is to label the dental and bony landmarks of the maxilla, mandible, and palatine bones together with the adjacent re...

journal_title：Journal of computer assisted tomography

authors： Hayman LA,Duncan G,Gordon M,Taber KH

更新日期：2002-09-01 00:00:00

abstract：OBJECTIVE:The purpose of the study was to evaluate the safety and efficacy of Gd-BOPTA for liver imaging and to determine the most appropriate clinical dose to administer. METHODS:Gd-BOPTA was administered at a dose of 0.05 (group A), 0.1 (group B), or 0.2 (group C) mmol/kg to 201 patients suspected of having malignan...

journal_title：Journal of computer assisted tomography

authors： Kuwatsuru R,Kadoya M,Ohtomo K,Tanimoto A,Hirohashi S,Murakami T,Tanaka Y,Yoshikawa K,Katayama H

更新日期：1999-11-01 00:00:00

abstract：OBJECTIVE:The objective of the study was to characterize the enhancement pattern of hyperfunctioning parathyroid adenomas on multiphase multidetector computed tomography (CT) or 4-dimensional CT. METHODS:We retrospectively studied the enhancement patterns of 48 pathologically confirmed parathyroid adenomas with 4-dime...

journal_title：Journal of computer assisted tomography

authors： Vu TH,Guha-Thakurta N,Harrell RK,Ahmed S,Kumar AJ,Johnson VE,Perrier ND,Hamberg LM,Hunter GJ,Schellingerhout D

更新日期：2011-09-01 00:00:00

abstract：PURPOSE:The purpose of this study was to assess helical and electron beam CT scanning in the evaluation of renal vein involvement in patients with renal cell carcinoma (RCC). METHOD:Seventy-three patients with 76 pathologically proven RCC who underwent surgical resection or autopsy were evaluated for the accuracy of h...

journal_title：Journal of computer assisted tomography

authors： Welch TJ,LeRoy AJ

更新日期：1997-05-01 00:00:00

abstract：OBJECTIVE:To determine if gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid (Gd-EOB-DTPA)-enhanced magnetic resonance (MR) cholangiography can detect and localize bile duct leaks in postcholecystectomy patients. MATERIAL AND METHODS:Four blinded independent radiologists performed a retrospective review of 16...

journal_title：Journal of computer assisted tomography

authors： Ratcliffe GE,Kirkpatrick ID,Anik Sahni V,Greenberg HM,Henderson B,Radulovic D,Mottola JC

更新日期：2014-07-01 00:00:00

abstract：:Congenital hyperinsulinism can be divided into diffuse or focal form. The treatment and outcome depend on distinguishing between the 2 forms. Pancreatic venous sampling was the only method available to localize the insulin secretion. [F]Fluoro-levodopa, 3,4-dihydroxy-L-phenylalanine positron emission tomography/comput...

journal_title：Journal of computer assisted tomography

authors： Subramaniam RM,Karantanis D,Peller PJ

更新日期：2007-09-01 00:00:00

abstract：:Image quality in cranial computed tomography (CT) was evaluated with phantom and patient studies on both a first (single beam) and a second (multiple beam) generation scanner. When comparable radiation doses were used, there were only minor differences in resolution, low contrast detectability, and noise level. The pa...

journal_title：Journal of computer assisted tomography

authors： Zatz LM

更新日期：1978-07-01 00:00:00

abstract：:We present three cases of glioblastoma with CSF dissemination that contrast-enhanced fluid-attenuated inversion recovery MRI was sensitive enough to detect compared with contrast-enhanced T1-weighted MRI. An autopsy was performed on one patient, and its histologic findings proved the existence of CSF dissemination. ...

journal_title：Journal of computer assisted tomography

authors： Misaki K,Nakada M,Hayashi Y,Tachibana O,Yamashita J,Ueda F,Suzuki M

更新日期：2001-11-01 00:00:00

abstract：:The anatomy of 60 right and 80 left normal suprarenal (adrenal) glands in 90 patients was studied. In the transaxial view, the glands have a triradiate shape, which varies on serial sections. The medial posterior limbs of each gland were visualized on the more cranial sections. The transaxial positions of the glands a...

journal_title：Journal of computer assisted tomography

authors： Brownlie K,Kreel L

更新日期：1978-01-01 00:00:00

abstract：PURPOSE:The aim of this study was to evaluate the diagnostic accuracy and complication rates of a side-exiting coaxial needle system for fine needle aspiration (FNA) biopsies. METHOD:Between 1995 and 1998, 127 nonconsecutive biopsies were performed on 122 patients (74 males, 48 females). CT guidance was used in 111, u...

journal_title：Journal of computer assisted tomography

authors： Broderick LS,Kopecky KK,Cramer H

更新日期：2002-03-01 00:00:00

abstract：:Cystic hygromas of the neck can simulate other benign lesions and occasionally extend into the mediastinum. Using computed tomography, we were able to confirm the suspected diagnosis, exclude other diagnostic considerations, and clearly demonstrate absence of mediastinal extension. ...

journal_title：Journal of computer assisted tomography

authors： Silverman PM,Korobkin M,Moore AV

更新日期：1983-06-01 00:00:00

abstract：:Forty-two patients with hepatocellular carcinoma (HCC) were examined by magnetic resonance (MR) imaging. The presence of tumor was suggested in 41 of 42 cases by a high-intensity area on T2 weighted spin-echo (SE) images with a repetition time (TR) of 1.6 s. Specific findings of HCC such as the presence of a capsule, ...

journal_title：Journal of computer assisted tomography

authors： Itai Y,Ohtomo K,Furui S,Minami M,Yoshikawa K,Yashiro N

更新日期：1986-11-01 00:00:00

abstract：OBJECTIVE:To assess the feasibility of a time-efficient, high-resolution magnetic resonance lymphangiography (HR MRL) protocol without image subtraction for the detection of lymphatic vessels in patients with primary and secondary lymphedema. METHODS:Three consecutive patients with lymphedema of the lower extremities ...

journal_title：Journal of computer assisted tomography

authors： Lohrmann C,Foeldi E,Bartholomä JP,Langer M

更新日期：2007-03-01 00:00:00

abstract：:Computed tomography of a benign mesenchymoma in a 7-year-old boy demonstrated bone and fat intermingled with nonspecific soft tissue. ...

journal_title：Journal of computer assisted tomography

authors： Hudson TM,Bertoni F,Enneking WF

更新日期：1985-01-01 00:00:00