Periportal low attenuation at CT in childhood.

abstract：PURPOSE:To evaluate the variability of true-positive and false-positive cues by using a commercially available computer-aided detection (CAD) system for analysis of 50 malignancies in a screening population. MATERIALS AND METHODS:Fifty breast cancers detected at screening were analyzed by using a commercially availabl...

journal_title：Radiology

authors： Baker JA,Lo JY,Delong DM,Floyd CE

更新日期：2004-11-01 00:00:00

abstract：PURPOSE:To show that benign asymmetric breast tissue detected mammographically may increase over time. MATERIALS AND METHODS:Serial mammograms obtained in 21 women with negative physical examination results and mammographically detected developing asymmetric breast tissue were reviewed, and findings were correlated wi...

journal_title：Radiology

authors： Piccoli CW,Feig SA,Palazzo JP

更新日期：1999-04-01 00:00:00

abstract：:The results of treatment for recurrent cancer at the tracheal stoma have been poor. From 1971 to 1976, elective postoperative irradiation of the neck was given to 26 high-risk patients with carcinoma of the larynx and hypopharynx. None of the 22 patients whose stomas were irradiated developed stomal or peristomal recu...

journal_title：Radiology

authors： Tong D,Moss WT,Stevens KR Jr

更新日期：1977-09-01 00:00:00

abstract：:Haglund syndrome is a common cause of posterior heel pain, characterized clinically by a painful soft-tissue swelling at the level of the achilles tendon insertion. On the lateral heel radiograph the syndrome is characterized by a prominent calcaneal bursal projection, retrocalcaneal bursitis, thickening of the Achill...

journal_title：Radiology

authors： Pavlov H,Heneghan MA,Hersh A,Goldman AB,Vigorita V

更新日期：1982-07-01 00:00:00

abstract：:Radiographs of 38 children with Down syndrome (aged 2-3 years) were retrospectively evaluated for hypoplasia of the posterior arch of the C-1 vertebra. The anteroposterior dimensions of the posterior arch of C-1 were measured and compared with those of an age- and sex-matched control group. The posterior arches of C-2...

journal_title：Radiology

authors： Martich V,Ben-Ami T,Yousefzadeh DK,Roizen NJ

更新日期：1992-04-01 00:00:00

abstract：PURPOSE:To determine whether hepatosplenomegaly was a reproducible finding in seven neonates who were being treated with extracorporeal membrane oxygenation (ECMO) for respiratory failure. MATERIALS AND METHODS:The authors measured splenic and hepatic dimensions with ultrasound (US) at the time ECMO was initiated and ...

journal_title：Radiology

authors： Klippenstein DL,Zerin JM,Hirschl RB,Donn SM

更新日期：1994-02-01 00:00:00

abstract：PURPOSE:To determine whether lack of visualization of the appendix on otherwise normal abdominopelvic computed tomographic (CT) images can help exclude appendicitis in the pediatric population. MATERIALS AND METHODS:The study was institutional review board approved and HIPAA compliant. One thousand one hundred thirty-...

journal_title：Radiology

authors： Garcia K,Hernanz-Schulman M,Bennett DL,Morrow SE,Yu C,Kan JH

更新日期：2009-02-01 00:00:00

abstract：:To explore the usefulness of intraluminal ultrasound (US) for diagnostic imaging of the female urethra, 22 female patients with different degrees of urinary incontinence and 10 female patients with normal continence underwent examination by means of a 20-MHz intravascular US system. Contiguous sections were used for t...

journal_title：Radiology

authors： Klein HM,Kirschner-Hermanns R,Lagunilla J,Günther RW

更新日期：1993-04-01 00:00:00

abstract：:Three children with marrow-packing disorders demonstrated exaggerated anterior vertebral notches with poorly defined cortical margins. One child had thalassemia major, another had Gaucher disease, and a third had metastatic neuroblastoma. A discussion of each case and the etiology of the notches is presented. ...

journal_title：Radiology

authors： Mandell GA,Kricun ME

更新日期：1979-05-01 00:00:00

abstract：:Leigh disease, or subacute necrotizing encephalomyelopathy (SNE), is a familial, degenerative disorder characterized by lesions of the gray and white matter in the brain and spinal cord. Low attenuation in the putamina on computed tomography (CT) scans is considered to be characteristic of the disease. The authors use...

journal_title：Radiology

authors： Paltiel HJ,O'Gorman AM,Meagher-Villemure K,Rosenblatt B,Silver K,Watters GV

更新日期：1987-01-01 00:00:00

abstract：:Experiments were undertaken to determine the behavior of thallium-201 in the thyroid in relation to the iodide-trapping mechanism in rats. Iodide trapping was compared to thyroidal thallium-201 trapping 30 minutes after intravenous injection. Thallium-201 uptake followed iodide uptake in control rats. TSH- and T3-trea...

journal_title：Radiology

authors： Oster ZH,Strauss HW,Harrison K,Burns HD,Pitt B

更新日期：1978-03-01 00:00:00

abstract：:The authors present 3 cases of surgically proved Klatskin tumor diagnosed by ultrasound alone. Sonographic features of these tumors include (a) dilatation of the intrahepatic biliary ducts but not the extrahepatic duct, (b) non-union of the right and left hepatic ducts, and (c) small, solid masses at the hepatic hilus...

journal_title：Radiology

authors： Meyer DG,Weinstein BJ

更新日期：1983-09-01 00:00:00

abstract：:Rapid sequence (dynamic) computed tomography (CT) following the bolus injection of contrast material into a peripheral vein allows a differentiation of vascular and nonvascular lung lesions. The use of time-density curves plotting the changing CT number over time also allows pulmonary arterial supply of lung lesions t...

journal_title：Radiology

authors： Godwin JD,Webb WR

更新日期：1981-03-01 00:00:00

abstract：PURPOSE:To evaluate the use of magnetic resonance (MR) imaging and computed tomography (CT) for predicting the histologic grade of parosteal osteosarcomas. MATERIALS AND METHODS:Sixty parosteal osteosarcomas were analyzed for tumor size and location, presence of a cleavage plane, intramedullary extension, soft-tissue ...

journal_title：Radiology

authors： Jelinek JS,Murphey MD,Kransdorf MJ,Shmookler BM,Malawer MM,Hur RC

更新日期：1996-12-01 00:00:00

abstract：PURPOSE:To compare areas of contrast material enhancement in the prostate at ultrasonography (US) with whole-mount radical prostatectomy specimens to determine if the use of contrast material improves the detection rate of prostate cancer. MATERIALS AND METHODS:Transrectal US was performed in 12 subjects with cancer o...

journal_title：Radiology

authors： Halpern EJ,McCue PA,Aksnes AK,Hagen EK,Frauscher F,Gomella LG

更新日期：2002-02-01 00:00:00

abstract：:Percutaneous transperitoneal fine-needle lymph-node biopsy was performed in 52 patients to establish a diagnosis of metastatic disease in nodal defects detected during lymphography. The procedure was found to be highly accurate, with few false-negatives and no false-positives. ...

journal_title：Radiology

authors： Macintosh PK,Thomson KR,Barbaric ZL

更新日期：1979-06-01 00:00:00

abstract：PURPOSE:To assess and compare intimal and medial vascular damage caused by three mechanical wall-contact thrombectomy devices: Fogarty embolectomy catheter, Arrow-Trerotola peripheral thrombectomy device, and MTI-Castañeda over-the-wire brush. MATERIALS AND METHODS:Bilateral external iliac arteries of 15 canines were ...

journal_title：Radiology

authors： Castañeda F,Li R,Patel J,DeBord JR,Swischuk JL

更新日期：2001-04-01 00:00:00

abstract：:Fluoroscopically guided percutaneous needle aspiration of focal pulmonary lesions was performed in 108 presumed infectious episodes in 82 immunocompromised patients in whom prior diagnostic studies, including transtracheal aspiration, were negative to inconclusive. Two-thirds of the lesions were 4 cm or smaller. Singl...

journal_title：Radiology

authors： Castellino RA,Blank N

更新日期：1979-09-01 00:00:00

abstract：PURPOSE:To retrospectively compare fusion fluorine 18 fluorodeoxyglucose (FDG) positron emission tomographic (PET)/computed tomographic (CT) imaging with CT imaging alone in the evaluation of yttrium 90 ((90)Y)-ibritumomab tiuxetan radioimmunotherapy treatment of B-cell non-Hodgkin lymphoma. MATERIALS AND METHODS:This...

journal_title：Radiology

authors： Ulaner GA,Colletti PM,Conti PS

更新日期：2008-03-01 00:00:00

abstract：:A new method is presented for the removal of streaking artifact in computed tomography. The method uses a nearest-neighbor pattern recognition technique to redetermine ray sums that intersect the foreign object responsible for the streaking. When the method is applied to the removal of streaking artifact caused by lea...

journal_title：Radiology

authors： Morin RL,Raeside DE

更新日期：1981-10-01 00:00:00

abstract：:The authors report a case of renal cell carcinoma in which computed tomography (CT) revealed fatty tissue and calcification within a solid renal mass. The detection of a mass with negative CT numbers at CT and increased echogenicity at ultrasound led to the incorrect diagnosis of angiomyolipoma (renal hamartoma). The ...

journal_title：Radiology

authors： Strotzer M,Lehner KB,Becker K

更新日期：1993-08-01 00:00:00

abstract：PURPOSE:To assess brachial plexus magnetic resonance (MR) imaging features and limb-girdle muscle abnormalities as signs of muscle denervation in patients with amyotrophic lateral sclerosis (ALS). MATERIALS AND METHODS:This study was approved by the local ethical committees on human studies, and written informed conse...

journal_title：Radiology

authors： Gerevini S,Agosta F,Riva N,Spinelli EG,Pagani E,Caliendo G,Chaabane L,Copetti M,Quattrini A,Comi G,Falini A,Filippi M

更新日期：2016-05-01 00:00:00

abstract：:A retrospective review was done of intracranial images obtained within the newborn period in 46 infants who had been treated with extracorporeal membrane oxygenation (ECMO). A neuroimaging score was determined on the basis of the extent and severity of findings on both ultrasound and computed tomographic scans. Presen...

journal_title：Radiology

authors： Taylor GA,Glass P,Fitz CR,Miller MK

更新日期：1987-12-01 00:00:00

abstract：:The authors report a case of a hepatic artery aneurysm that simulated a mass in the head of the pancreas. The correct diagnosis was made preoperatively based on several findings: curvilinear calcification within the mass on CT, a well-defined cystic collection on ultrasound, absence of biliary duct dilatation or jaund...

journal_title：Radiology

authors： Gavin PM,Matalon TA,Petasnick JP,Roseman DL

更新日期：1984-09-01 00:00:00

abstract：:The authors investigated the spectrum of radiologic findings in a large series (n = 47) of patients seropositive to human immunodeficiency virus (HIV) 1 and with pathologically proved progressive multifocal leukoencephalopathy, to determine the characteristic imaging pattern of the disease. Thirty-six computed tomogra...

journal_title：Radiology

authors： Whiteman ML,Post MJ,Berger JR,Tate LG,Bell MD,Limonte LP

更新日期：1993-04-01 00:00:00

abstract：PURPOSE:To compare the postdural puncture headache (PDPH) rates after myelography with use of 22-gauge Whitacre (blunt tip) versus standard 22-gauge Quincke (bevel-tip) spinal needles. MATERIALS AND METHODS:At myelography, 340 patients were randomly assigned to one of two groups in which either the Whitacre (167 patie...

journal_title：Radiology

authors： Peterman SB

更新日期：1996-09-01 00:00:00

abstract：:Purpose To determine whether there is an association between radiologist shift length, schedule, or examination volume and interpretive accuracy. Materials and Methods This study was institutional review board approved and HIPAA compliant. A retrospective analysis of all major discrepancies from a 2015 quality assuran...

journal_title：Radiology

authors： Hanna TN,Lamoureux C,Krupinski EA,Weber S,Johnson JO

更新日期：2018-04-01 00:00:00

abstract：PURPOSE:Evaluate effect of prostatic irradiation on erectile function. MATERIALS AND METHODS:Forty-seven male adult rats were divided into three groups according to a single radiation dose to the prostate: control (no irradiation) (n = 15), 1,000 cGy (n = 15), and 2,000 cGy (n = 17). Five months after irradiation, rat...

journal_title：Radiology

authors： Carrier S,Hricak H,Lee SS,Baba K,Morgan DM,Nunes L,Ross GY,Phillips TL,Lue TF

更新日期：1995-04-01 00:00:00

abstract：:Of 500 patients referred for an examination of the upper gastrointestinal tract, 15% were found to have radiographic evidence of esophageal disease. A cursory esophageal survey appears to be insufficient. Thorough evaluation should consist of a minimal multiphasic approach involving double- and single-contrast radiogr...

journal_title：Radiology

authors： Maglinte DD,Schultheis TE,Krol KL,Caudill LD,Chernish SM,McCune WM

更新日期：1983-04-01 00:00:00

abstract：PURPOSE:To prospectively investigate the effect of low tube voltage on radiation dose, contrast enhancement, image quality, and image noise at abdominal dynamic computed tomography (CT). MATERIALS AND METHODS:The institutional review board approved this study. Prior informed consent was obtained from all patients. For...

journal_title：Radiology

authors： Nakayama Y,Awai K,Funama Y,Hatemura M,Imuta M,Nakaura T,Ryu D,Morishita S,Sultana S,Sato N,Yamashita Y

更新日期：2005-12-01 00:00:00