Diagnosis of osteomyelitis in children by combined blood pool and bone imaging.

abstract：PURPOSE:To prospectively determine the accuracy of combination positron emission tomography-computed tomography (PET/CT) in lymph node staging in patients with early-stage cervical cancer, with histopathologic results as the reference standard. MATERIALS AND METHODS:The study was institutional review board approved, a...

journal_title：Radiology

authors： Sironi S,Buda A,Picchio M,Perego P,Moreni R,Pellegrino A,Colombo M,Mangioni C,Messa C,Fazio F

更新日期：2006-01-01 00:00:00

abstract：PURPOSE:To evaluate the usefulness of power Doppler ultrasonography (US) with a microbubble contrast agent in assessing the therapeutic response of hepatocellular carcinomas (HCCs) treated with percutaneous radio-frequency (RF) ablation. MATERIALS AND METHODS:Forty patients with 45 nodular HCC lesions 1.0-3.8 cm in di...

journal_title：Radiology

authors： Choi D,Lim HK,Kim SH,Lee WJ,Jang HJ,Lee JY,Paik SW,Koh KC,Lee JH

更新日期：2000-11-01 00:00:00

abstract：:Possible signs of paratracheal lymphadenopathy on the posteroanterior (PA) chest radiograph were assessed in 98 patients and correlated with computed tomography (CT). The nodes were normal in size in 62 patients and enlarged (greater than 15 mm) in 36. Among the latter group, widening of the right paratracheal stripe ...

journal_title：Radiology

authors： Müller NL,Webb WR,Gamsu G

更新日期：1985-09-01 00:00:00

abstract：PURPOSE:To evaluate intra- and interobserver variability, as well as agreement for nodule size measurements on chest tomosynthesis and computed tomographic (CT) images. MATERIALS AND METHODS:The Regional Ethical Review Board approved this study, and all participants gave written informed consent. Thirty-six segmented ...

journal_title：Radiology

authors： Johnsson ÅA,Fagman E,Vikgren J,Fisichella VA,Boijsen M,Flinck A,Kheddache S,Svalkvist A,Båth M

更新日期：2012-10-01 00:00:00

abstract：:The radiological features of absence of a pulmonary artery are often characteristic enough to allow a diagnosis based on the plain radiograph. They include a small hemithorax, ipsilateral displacement of the mediastinum, absence of the corresponding pulmonary artery, and reticular parenchymal densities, generally attr...

journal_title：Radiology

authors： Kleinman PK

更新日期：1979-08-01 00:00:00

abstract：:Purpose To determine the effect of radiation dose and iterative reconstruction (IR) on noise, contrast, resolution, and observer-based detectability of subtle hypoattenuating liver lesions and to estimate the dose reduction potential of the IR algorithm in question. Materials and Methods This prospective, single-cente...

journal_title：Radiology

authors： Solomon J,Marin D,Roy Choudhury K,Patel B,Samei E

更新日期：2017-09-01 00:00:00

abstract：PURPOSE:To evaluate characteristics of delayed ischemic stroke after stent-assisted coil placement in cerebral aneurysms and to determine the optimal duration of dual antiplatelet therapy for its prevention. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and the requirem...

journal_title：Radiology

authors： Hwang G,Kim JG,Song KS,Lee YJ,Villavicencio JB,Suroto NS,Park NM,Park SJ,Jeong EA,Kwon OK

更新日期：2014-10-01 00:00:00

abstract：:Background Chest CT is used to assess the severity of lung involvement in coronavirus disease 2019 (COVID-19). Purpose To determine the changes in chest CT findings associated with COVID-19 from initial diagnosis until patient recovery. Materials and Methods This retrospective review included patients with real-time p...

journal_title：Radiology

authors： Pan F,Ye T,Sun P,Gui S,Liang B,Li L,Zheng D,Wang J,Hesketh RL,Yang L,Zheng C

更新日期：2020-06-01 00:00:00

abstract：PURPOSE:To retrospectively determine if the interval increase of right ventricular-left ventricular (RV/LV) diameter ratio from negative prior to positive current computed tomographic (CT) examination findings for pulmonary embolism (PE) is more accurate for predicting 30-day mortality than positive CT ratio alone, by ...

journal_title：Radiology

authors： Lu MT,Cai T,Ersoy H,Whitmore AG,Quiroz R,Goldhaber SZ,Rybicki FJ

更新日期：2008-01-01 00:00:00

abstract：:The authors developed a colostomy appliance for use during barium-enema examinations. It is 8 cm in diameter and 4 cm in height, and is made of acrylic resins. With the use of this device, 21 patients were fluoroscopically examined through the stoma; good contrast views of the lower intestinal tract were obtained in a...

journal_title：Radiology

authors： Sarashina H,Ozaki A,Fukao K,Takase Y,Todoroki T,Nagoshi K,Ohshima M,Kawakita I,Iwasaki Y

更新日期：1979-10-01 00:00:00

abstract：:A double-blind clinical trial was performed in 1,000 consecutive patients to compare the safety and efficacy of intravenously administered nonionic (iohexol) and ionic (metrizoate) urographic contrast media. The patients ranged in age from 10 to 80 years. The incidence of mild to moderate adverse effects was 7.7% with...

journal_title：Radiology

authors： Jacobsson BF,Jorulf H,Kalantar MS,Narasimham DL

更新日期：1988-06-01 00:00:00

abstract：PURPOSE:To determine the proportion of children and young adults in whom the thymus extends superiorly above the level of the manubrium into the anterior cervical tissues on magnetic resonance (MR) imaging studies. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and writt...

journal_title：Radiology

authors： Costa NS,Laor T,Donnelly LF

更新日期：2010-07-01 00:00:00

abstract：:Percutaneous transcatheter embolization of the coronary arteries with autologous clot was performed in six dogs. The occlusions resolved completely within 14 days in the four surviving dogs. Postmortem examination revealed transmural myocardial infarction in two dogs and subendocardial infarcts in the other two. Histo...

journal_title：Radiology

authors： Baumstark AE,Levin DC,Fishbein MC

更新日期：1978-07-01 00:00:00

abstract：:Ten percent of children with biliary atresia have an associated complex of anomalies, including polysplenia, azygous continuation of the inferior vena cava, preduodenal portal vein, hepatic arterial anomalies, and bilaterally bilobed lungs. These abnormalities will not be detected if the preoperative workup is limited...

journal_title：Radiology

authors： Abramson SJ,Berdon WE,Altman RP,Amodio JB,Levy J

更新日期：1987-05-01 00:00:00

abstract：:Background It is uncertain whether a deep learning-based automatic detection algorithm (DLAD) for identifying malignant nodules on chest radiographs will help diagnose lung cancers. Purpose To evaluate the efficacy of using a DLAD in observer performance for the detection of lung cancers on chest radiographs. Material...

journal_title：Radiology

authors： Jang S,Song H,Shin YJ,Kim J,Kim J,Lee KW,Lee SS,Lee W,Lee S,Lee KH

更新日期：2020-09-01 00:00:00

abstract：PURPOSE:To determine a set of distinctive imaging findings seen in symptomatic patients with pretibial varices. MATERIALS AND METHODS:Medical records and imaging studies of patients who presented with pretibial varices over an 8-year period were collected from four institutions. Findings in six symptomatic patients wi...

journal_title：Radiology

authors： Boutin RD,Sartoris DJ,Rose SC,Plecha EJ,Bundens WP,Haghighi P,Harter LP,Resnick D

更新日期：1997-03-01 00:00:00

abstract：PURPOSE:To evaluate the ability of magnetization transfer (MT) contrast-prepared magnetic resonance (MR) imaging to help distinguish healthy from cirrhotic liver by using a spectrum of MT pulse frequency offsets. MATERIALS AND METHODS:This HIPAA-compliant prospective study was approved by the institutional review boar...

journal_title：Radiology

authors： Rosenkrantz AB,Storey P,Gilet AG,Niver BE,Babb JS,Hajdu CH,Lee VS

更新日期：2012-01-01 00:00:00

abstract：:Quality control in diagnostic radiography begins with production of predictable exposures. The authors describe a technique which permits determination of the variation of mR/mAs for the entire diagnostic range of times and currents in only about 1 hour. The mR/mAs in newly installed units has been shown to vary by as...

journal_title：Radiology

authors： Starchman DE,Johnson RG,Howland WJ

更新日期：1977-02-01 00:00:00

abstract：:Metabolic syndrome has become an important public health problem and has reached epidemic proportions globally. Metabolic syndrome is characterized by a cluster of metabolic abnormalities in an individual, with insulin resistance as the main characteristic. The major adverse consequence of metabolic syndrome is cardio...

journal_title：Radiology

authors： van der Meer RW,Lamb HJ,Smit JW,de Roos A

更新日期：2012-07-01 00:00:00

abstract：:In 41 patients with clinical evidence of pancreatic islet cell tumors, CT detected 21 of 27 tumors that were proved at surgery (sensitivity 78%) and correctly excluded the diagnosis in 14 of 14 patients with no evidence of tumor at long-term follow-up. Using rapid sequence CT scanning and bolus contrast material infus...

journal_title：Radiology

authors： Stark DD,Moss AA,Goldberg HI,Deveney CW

更新日期：1984-02-01 00:00:00

abstract：PURPOSE:To study white matter (WM) changes in patients with Unverricht-Lundborg progressive myoclonus epilepsy (EPM1) caused by mutations in the cystatin B gene and in the cystatin B-deficient (Cstb-/-) mouse model and to validate imaging findings with histopathologic analysis of mice. MATERIALS AND METHODS:Informed c...

journal_title：Radiology

authors： Manninen O,Koskenkorva P,Lehtimäki KK,Hyppönen J,Könönen M,Laitinen T,Kalimo H,Kopra O,Kälviäinen R,Gröhn O,Lehesjoki AE,Vanninen R

更新日期：2013-10-01 00:00:00

abstract：:The mediassinum is a relatively uncommon site for a pancreatic pseudocyst. Two such cases are presented, along with a review of 14 additional cases from the English literature. In most cases the pseudocyst is located in the posterior mediastinum, with entry to the mediastinum via the aortic or esophageal hiatus. The m...

journal_title：Radiology

authors： Kirchner SG,Heller RM,Smith CW

更新日期：1977-04-01 00:00:00

abstract：:The potential renal vasodilatory effect of dopamine in improving renal function after arteriography was studied. Sixty patients with preexisting renal insufficiency were prospectively randomized into two groups. Patients in the treated group (n = 30) received an infusion of dopamine for 12 hours starting at the beginn...

journal_title：Radiology

authors： Hans B,Hans SS,Mittal VK,Khan TA,Patel N,Dahn MS

更新日期：1990-09-01 00:00:00

abstract：:Computed tomography (CT) is the modality of choice for evaluation of pancreatic disease. In this prospective study, images obtained with spiral CT, which enables examination of a region of the body in a single breath-hold, were compared with those obtained by means of dynamic CT with automatic table incrementation in ...

journal_title：Radiology

authors： Dupuy DE,Costello P,Ecker CP

更新日期：1992-06-01 00:00:00

abstract：:The radiographic demonstration of lymph node involvement in amyloidosis is rare. Of 12 previously reported cases with lymph node enlargement, two also showed calcified nodes. This paper presents two new cases, one of which illustrates previously unreported findings. Recent advances that help to explain the pathogenesi...

journal_title：Radiology

authors： Gross BH

更新日期：1981-01-01 00:00:00

abstract：PURPOSE:To determine whether the "accordion sign" is a specific computed tomographic (CT) sign of Clostridium difficile colitis. MATERIALS AND METHODS:Fifty-seven patients with CT evidence of severe colitis, as judged by colonic wall thickening, an abnormal haustral pattern, the target sign, and stranding of the peric...

journal_title：Radiology

authors： Macari M,Balthazar EJ,Megibow AJ

更新日期：1999-06-01 00:00:00

abstract：:Mammography utilization remains below the level needed to achieve the National Cancer Institute's year-2000 goals for reducing breast cancer mortality by 50%. Previous research has identified both patient and physician barriers. The authors interviewed 600 randomly selected women who were offered a free mammographic e...

journal_title：Radiology

authors： Rimer BK,Keintz MK,Kessler HB,Engstrom PF,Rosan JR

更新日期：1989-07-01 00:00:00

abstract：UNLABELLED:The performance of a diagnostic test is often expressed in terms of sensitivity and specificity compared with the reference standard. Calculations of sensitivity and specificity commonly involve multiple observations per patient, which implies that the data are clustered. Whether analysis of sensitivity and ...

journal_title：Radiology

authors： Genders TS,Spronk S,Stijnen T,Steyerberg EW,Lesaffre E,Hunink MG

更新日期：2012-12-01 00:00:00

abstract：:The most serious complication of Paget disease is the development of sarcoma. Forty-one cases of bone sarcoma in Paget disease, which represented our institution's entire experience, were reviewed. The relative frequency of sarcomatous degeneration was 0.9%. Histologically, 35 of 41 lesions were osteogenic sarcomas, a...

journal_title：Radiology

authors： Greditzer HG 3rd,McLeod RA,Unni KK,Beabout JW

更新日期：1983-02-01 00:00:00

abstract：: Online supplemental material is available for this article. ...

journal_title：Radiology

authors： Eng J,Bluemke DA

更新日期：2020-10-01 00:00:00