Progressive multifocal leukoencephalopathy: unusual MR findings.

abstract：OBJECTIVE:The aim of this study was to explore the diagnostic difference among the combination of diffusion-weighted imaging (DWI) and T2-weighted imaging (T2WI), diffusion-weighted imaging (DWI), and dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) in predicting deep myometrial invasion of endometrial ...

journal_title：Journal of computer assisted tomography

authors： Deng L,Wang QP,Chen X,Duan XY,Wang W,Guo YM

更新日期：2015-09-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to describe the computed tomography (CT) findings and correlate pulmonary function tests (PFTs) of silicosis patients with emphasis on the findings in lung transplantation (LTX) recipients. METHODS:We studied the chest CT scans from 82 marble workers exposed to artificial stone dust...

journal_title：Journal of computer assisted tomography

authors： Grubstein A,Shtraichman O,Fireman E,Bachar GN,Noach-Ophir N,Kramer MR

更新日期：2016-11-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to classify the types of medial synovial fold of the posterior cruciate ligament (PCL) on magnetic resonance imaging (MRI) and to identify the relationships between fold type and impingement of the PCL on arthroscopy. SUBJECTS AND METHODS:Ninety-nine patients who underwent knee ...

journal_title：Journal of computer assisted tomography

authors： Yoon KH,Tak DH,Park JS,Joo YB,Lee S

更新日期：2016-09-01 00:00:00

abstract：:The diagnosis of abdominal actinomycosis is difficult because of its relative infrequency and imitation of other diseases. We present four cases in which these difficulties in diagnosis were experienced and show the utility of CT in suggesting this disease. Aspiration, biopsy, and proper culture technique, in conjunct...

journal_title：Journal of computer assisted tomography

authors： Shah HR,Williamson MR,Boyd CM,Balachandran S,Angtuaco TL,McConnell JR

更新日期：1987-05-01 00:00:00

abstract：PURPOSE:The purpose of this study was to evaluate the usefulness of the "bridging vascular sign" in the diagnosis of an exophytic uterine leiomyoma and differentiation of a uterine leiomyoma from some other mass arising in the adnexa on pelvic MRI. METHOD:Of 52 women with a pelvic mass in whom pelvic MRI was performed...

journal_title：Journal of computer assisted tomography

authors： Kim JC,Kim SS,Park JY

更新日期：2000-01-01 00:00:00

abstract：:An increase in the effective atomic number of blood is among the factors allowing or influencing the visualization of the major cerebral vessels on noncontrast CT. Bromine (atomic number, 50) attenuates 70 keV X-rays significantly and was responsible for a striking enhancement of the major cerebral vessels on the nonc...

journal_title：Journal of computer assisted tomography

authors： Osborne DR,Bohan T,Hodson A

更新日期：1984-10-01 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：:We present a case of a clinically suspected cerebral infarction that was diagnosed as a seizure focus on pulsed arterial spin labeling. The finding of hyperperfusion with perfusion imaging significantly impacted clinical management of the patient. ...

journal_title：Journal of computer assisted tomography

authors： Pollock JM,Deibler AR,West TG,Burdette JH,Kraft RA,Maldjian JA

更新日期：2008-03-01 00:00:00

abstract：:This paper reports two cases of benign extramedullary tumors of the foramen magnum studied by computed tomography (CT). The first case was a neurinoma; the second was a meningioma. Several different CT findings allowed a correct preoperative diagnosis of the location and nature of the tumors. In view of the invasivene...

journal_title：Journal of computer assisted tomography

authors： Spallone A,Tanfani G,Vassilouthis J,Dazzi M

更新日期：1980-04-01 00:00:00

abstract：:Computed tomography assessment of 634 surgically proven solitary pulmonary nodules included 12 pulmonary carcinoid tumors. Five were central (involving or directly abutting the bronchial tree), and seven were peripheral (surrounded by parenchyma). Three central and one peripheral lesion had CT numbers indicative of fo...

journal_title：Journal of computer assisted tomography

authors： Magid D,Siegelman SS,Eggleston JC,Fishman EK,Zerhouni EA

更新日期：1989-03-01 00:00:00

abstract：:A case of cerebral toxoplasmosis in a patient with acquired immune deficiency syndrome who was evaluated by both CT and magnetic resonance is reported. Magnetic resonance proved to be far more sensitive in detecting the intracranial lesions than CT. ...

journal_title：Journal of computer assisted tomography

authors： Zee CS,Segall HD,Rogers C,Ahmadi J,Apuzzo M,Rhodes R

更新日期：1985-07-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to demonstrate the feasibility of whole-body diffusion tensor imaging (DTI) as a promising tool for research applications, for instance, for investigation of systemic muscle diseases. MATERIALS AND METHODS:Twelve healthy volunteers (mean age, 26.6 years; range, 20-39 years) underwen...

journal_title：Journal of computer assisted tomography

authors： Kenkel D,von Spiczak J,Wurnig MC,Filli L,Steidle G,Wyss M,Boss A

更新日期：2016-01-01 00:00:00

abstract：:We present a case of a child with acute bacterial leptomeningeal infection caused by Streptococcus pneumoniae. There was an extension of infection along multiple Virchow-Robin spaces into the brain parenchyma, resulting in multiple microabscesses. These abscesses showed restricted diffusion on the diffusion-weighted i...

journal_title：Journal of computer assisted tomography

authors： Gordon M,Parmar H,Ibrahim M

更新日期：2009-07-01 00:00:00

abstract：OBJECTIVE:Compared the performance of computer-aided detection (CAD) software for quantitative analysis of airway using computed tomography (CT) images reconstructed with versions of model-based iterative reconstruction (MBIR) that either balances spatial and density resolution (MBIRSTND) or prefers spatial resolution ...

journal_title：Journal of computer assisted tomography

authors： Jia Y,Zhai B,He T,Yu Y,Yu N,Duan H,Yang C,Li JY

更新日期：2021-01-01 00:00:00

abstract：:We present the case of a young man with compression of both renal arteries by the crura of the diaphragm. Correct diagnosis of renal artery entrapment is difficult but crucial. The investigations rely on an high index of suspicion and include Doppler ultrasound and spiral computed tomography angiography, which permits...

journal_title：Journal of computer assisted tomography

authors： Déglise S,Corpataux JM,Haller C,Binaghi S,Meuwly JY,Qanadli SD

更新日期：2007-05-01 00:00:00

abstract：:This study illustrates detailed cerebral anatomy that can be consistently visualized on computed tomography scans after a rapid high dose of contrast substance has been infused. A thorough knowledge of anatomy is required not only to detect and precisely localize lesions but to avoid ascribing pathological significan...

journal_title：Journal of computer assisted tomography

authors： Hayman LA,Evans RA,Hinck VC

更新日期：1979-04-01 00:00:00

abstract：:Subcutaneous fat provides excellent contrast for water density tissue. Five patients with subcutaneous metastases visualized on computed tomography (CT) scans are presented. In some cases, CT proved to be the optimal diagnostic modality for visualizing these lesions and documenting their response to therapy. ...

journal_title：Journal of computer assisted tomography

authors： Dunnick NR,Schaner EG,Doppman JL

更新日期：1978-07-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate the Macklin effect in patients with spontaneous pneumomediastinum by multidetector-row computed tomography (MDCT). METHODS:Chest computed tomography (CT) reports between July 2000 and January 2003 at our institution were retrospectively reviewed. Nine patients with s...

journal_title：Journal of computer assisted tomography

authors： Sakai M,Murayama S,Gibo M,Akamine T,Nagata O

更新日期：2006-01-01 00:00:00

abstract：:Thirty patients with suspected or known chronic aortic dissection were imaged with magnetic resonance (MR), CT, and angiography. Five of these patients had previously undergone surgical repair of the ascending aorta for a type A dissection. Magnetic resonance demonstrated an intimal flap and a double lumen in 25 cases...

journal_title：Journal of computer assisted tomography

authors： Pernes JM,Grenier P,Desbleds MT,de Brux JL

更新日期：1987-11-01 00:00:00

abstract：:The objective of this study was to evaluate the potential utility of a nutritional support formula to serve as a practical means of enhancing the gastrointestinal tract on abdominal MR images. Nutritional support formula (Ensure Plus) was administered to 29 patients prior to abdominal MRI. Standard T1-weighted and T2-...

journal_title：Journal of computer assisted tomography

authors： Mirowitz SA,Susman N

更新日期：1992-11-01 00:00:00

abstract：:We retrospectively evaluated 10 patients with pathologically proven fibrolamellar hepatocellular carcinoma (FLHCC) to assess the utility of CT (n = 9), ultrasound (n = 10), angiography (n = 9), and MR (n = 3). The tumors were solitary in 6 of 10 patients, well delineated in 7 of 10, and hypervascular in 8 of 10. With ...

journal_title：Journal of computer assisted tomography

authors： Soyer P,Roche A,Levesque M,Legmann P

更新日期：1991-07-01 00:00:00

abstract：:Hepatic actinomycosis is an uncommon entity that forms communicating abscesses and fistulae. A case is presented in which findings on ultrasound, CT, and percutaneous injection of the abscess all reflected the pathologic process. Biopsy by thin-needle aspiration under CT guidance afforded prompt, accurate diagnosis an...

journal_title：Journal of computer assisted tomography

authors： Roesler PJ Jr,Wills JS

更新日期：1986-03-01 00:00:00

abstract：PURPOSE:On contrast-enhanced hepatic CT, maximum tumor detection of liver metastases from colorectal cancer is achieved at peak hepatic enhancement. We investigated the relationship between injection time of contrast medium and time to peak hepatic enhancement (TPHE) after the end of injection. METHOD:One hundred nine...

journal_title：Journal of computer assisted tomography

authors： Irie T,Kusano S

更新日期：1996-07-01 00:00:00

abstract：OBJECTIVE:A postprocessing method of rank filtering inhomogeneity correction using nonlinear rank filtering of magnetic resonance imaging (MRI) scans is described. The method addresses some of the problems of homomorphic unsharp masking (HUM) using mean or median filtering. METHODS:Maximum rank filtering was used to e...

journal_title：Journal of computer assisted tomography

authors： Chen J,Reutens DC

更新日期：2005-09-01 00:00:00

abstract：:Radiographic evaluation of the penis is difficult and essentially limited to invasive studies. We report cases of idiopathic and iatrogenic corpora cavernosa thromboses diagnosed by magnetic resonance imaging. ...

journal_title：Journal of computer assisted tomography

authors： Kimball DA,Yuh WT,Farner RM

更新日期：1988-07-01 00:00:00

abstract：:Computed tomography (CT) findings in hydatid disease (echinococciasis) of the liver are described. Disease was caused by Echinococcus granulosus (n = 8) or E. alveolaris (n = 5), respectively. The CT appearance of these two types of echinococciasis is quite different; in disease caused by E. granulosus the CT appearan...

journal_title：Journal of computer assisted tomography

authors： Scherer U,Weinzierl M,Sturm R,Schildberg FW,Zrenner M,Lissner J

更新日期：1978-11-01 00:00:00

abstract：:Fallopian tube carcinoma is an unusual gynecologic malignancy that is rarely diagnosed preoperatively. We report a case of fallopian tube carcinoma occurring in a patient who had undergone a hysterectomy many years previously, in whom findings on computed tomography and ultrasound were highly suggestive of the diagnos...

journal_title：Journal of computer assisted tomography

authors： Santana P,Desser TS,Teng N

更新日期：2003-05-01 00:00:00

abstract：:A 7-month-old girl with infantile neuroaxonal dystrophy is reported. In diffusion MRI, the pyramidal tracts and dentate nuclei had high signal on b = 1,000 s/mm2 images and low apparent diffusion coefficient (ADC) values. This pattern likely reflected the presence of abnormal (dystrophic) axons with restricted mobilit...

journal_title：Journal of computer assisted tomography

authors： Sener RN

更新日期：2003-01-01 00:00:00

abstract：:Computed tomography of the liver was performed on two patients with subacute hepatitis. The CT findings included the presence of multiple regenerative nodules in the atrophied liver, shown by decreased CT attenuation. Complications due to hepatitis, such as massive ascites and splenomegaly, were also observed. The CT ...

journal_title：Journal of computer assisted tomography

authors： Ishikawa N,Nakagawa S,Hirata K,Takizawa Y,Hayashi S,Obara T,Ishikawa T

更新日期：1989-07-01 00:00:00

abstract：PURPOSE:To assess radiation dose reduction and image quality for weight-based chest computed tomographic (CT) examination results reconstructed using adaptive statistical iterative reconstruction (ASIR) technique. MATERIALS AND METHODS:With local ethical committee approval, weight-adjusted chest CT examinations were p...

journal_title：Journal of computer assisted tomography

authors： Prakash P,Kalra MK,Digumarthy SR,Hsieh J,Pien H,Singh S,Gilman MD,Shepard JA

更新日期：2010-01-01 00:00:00