Wavelet compression of low-dose chest CT data: effect on lung nodule detection.

abstract：PURPOSE:To evaluate endorectal coil magnetic resonance (MR) imaging in the depiction of local recurrence after radical prostatectomy. MATERIALS AND METHODS:Endorectal MR images were reviewed retrospectively in 82 patients who underwent prostatectomy. The interval between prostatectomy and MR imaging ranged between 0.5...

journal_title：Radiology

authors： Sella T,Schwartz LH,Swindle PW,Onyebuchi CN,Scardino PT,Scher HI,Hricak H

更新日期：2004-05-01 00:00:00

abstract：:Surgical cholecystectomy is associated with a high morbidity and mortality in elderly patients with acute calculous cholecystitis and underlying cardiac or pulmonary disease. Currently there are few alternatives for treating these patients. The authors have used percutaneous cholecystolithotomy in 11 such high-risk pa...

journal_title：Radiology

authors： Picus D,Marx MV,Hicks ME,Lang EV,Edmundowicz SA

更新日期：1989-11-01 00:00:00

abstract：PURPOSE:To investigate at which age testicular blood flow can be demonstrated consistently by color Doppler sonography and power Doppler sonography. MATERIALS AND METHODS:In this prospective study, 172 normal testes of 86 boys (age range, 4 days to 15 years) were examined with gray-scale ultrasound, color Doppler sono...

journal_title：Radiology

authors： Bader TR,Kammerhuber F,Herneth AM

更新日期：1997-02-01 00:00:00

abstract：:Ultrasound guidance was used in 10 aspiration and six drainage procedures in the intensive care unit. Sonography offered a safe and effective method for guidance of diagnostic aspiration in the ICU setting. Additionally, cholecystostomy, nephrostomy, abscess drainage, and empyema drainage were performed at bedside as ...

journal_title：Radiology

authors： McGahan JP

更新日期：1985-02-01 00:00:00

abstract：PURPOSE:To report the authors' initial experience in treating patients with wide-neck aneurysms with assistance from a recently developed neck-bridge device (TriSpan; Target Therapeutics/Boston Scientific, Fremont, Calif). MATERIALS AND METHODS:Twenty-five patients were examined. Aneurysms were most frequently at the ...

journal_title：Radiology

authors： Raymond J,Guilbert F,Roy D

更新日期：2001-11-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the sensitivity and specificity of integrated fluorine 18 fluorodeoxyglucose (FDG) positron emission tomography (PET) and computed tomography (CT) (PET/CT) for the preoperative diagnosis of mediastinal nodal metastasis in stage T1 non-small cell lung cancer (NSCLC), with surgical and h...

journal_title：Radiology

authors： Kim BT,Lee KS,Shim SS,Choi JY,Kwon OJ,Kim H,Shim YM,Kim J,Kim S

更新日期：2006-11-01 00:00:00

abstract：:An angiographic system capable of simultaneous biplane stereoscopic magnification cerebral angiography was evaluated. Stereoscopic imaging improved the morphologic depiction of aneurysms and of arteriovenous malformations. In a series of 357 patients, procedure time was reduced because the initial biplane stereoscopic...

journal_title：Radiology

authors： Kleefield J,O'Reilly GV,Barsotti JB,Brooks ML

更新日期：1987-11-01 00:00:00

abstract：:Perfusion lung scans are occasionally characterized by focal zones of apparent hyperperfusion ("hot spots"). To investigate the frequency and significance of this phenomenon, ventilation-perfusion lung scans and pulmonary arteriograms were reviewed in 72 patients who underwent both procedures for the evaluation of sus...

journal_title：Radiology

authors： Meignan M,Palmer EL,Waltman AC,Strauss HW

更新日期：1989-10-01 00:00:00

abstract：:The anterior humeral line is a valuable aid in the search for supracondylar fractures in children. When it is abnormal other signs of fracture should be carefully sought. The AHL was normal in only 5.8% of the cases reviewed (4 of 68 cases). There was other evidence of fracture in each case. Comparison of the AHLs on ...

journal_title：Radiology

authors： Rogers LF,Malave S Jr,White H,Tachdjian MO

更新日期：1978-07-01 00:00:00

abstract：:Results of transrectal ultrasound (TRUS) of the prostate and pathologic examination of specimens obtained at transurethral resection of the prostate (TURP) were compared in 29 patients with clinical stage A adenocarcinoma. Ten specimens contained no residual tumors larger than 5 mm in diameter; in the remaining 19 gla...

journal_title：Radiology

authors： Sheth S,Hamper UM,Walsh PC,Holtz PM,Epstein JI

更新日期：1991-04-01 00:00:00

abstract：:Alendronate sodium, an aminobiphosphonate used primarily to treat osteoporosis in postmenopausal women, is known to cause esophagitis. A 71-year-old woman experienced severe, acute esophagitis and severe stricture of the esophagus due to oral alendronate therapy. Unlike in previous cases, she had taken alendronate for...

journal_title：Radiology

authors： Ryan JM,Kelsey P,Ryan BM,Mueller PR

更新日期：1998-02-01 00:00:00

abstract：:A previous study determined the normal values and upper limits of liver size, as measured by the longitudinal and sagittal diameters in the midclavicular line and the midline. The present study was performed to determine which of the four sonographic diameters best differentiates between patients who have liver diseas...

journal_title：Radiology

authors： Niederau C,Sonnenberg A

更新日期：1984-11-01 00:00:00

abstract：PURPOSE:To determine the radiologic characteristics of cystic dystrophy of the duodenal wall. MATERIALS AND METHODS:Ten patients with cystic dystrophy of the duodenal wall and chronic pancreatitis underwent ultrasonography (US) (n = 10), computed tomography (CT) (n = 10), endoscopic US (n = 5), and endoscopic retrogra...

journal_title：Radiology

authors： Procacci C,Graziani R,Zamboni G,Cavallini G,Pederzoli P,Guarise A,Bogina G,Biasiutti C,Carbognin G,Bergamo-Andreis IA,Pistolesi GF

更新日期：1997-12-01 00:00:00

abstract：PURPOSE:To determine if T1ρ mapping can be used as an alternative to delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC) in the quantification of cartilage biochemical composition in vivo in human knees with osteoarthritis. MATERIALS AND METHODS:This study was approved by the institutional re...

journal_title：Radiology

authors： van Tiel J,Kotek G,Reijman M,Bos PK,Bron EE,Klein S,Nasserinejad K,van Osch GJ,Verhaar JA,Krestin GP,Weinans H,Oei EH

更新日期：2016-05-01 00:00:00

abstract：:Background Traumatic brachial plexus injuries affect 1% of patients involved in major trauma. MRI is the best test for traumatic brachial plexus injuries, although its ability to differentiate root avulsions (which require urgent reconstructive surgery) from other types of nerve injury remains unknown. Purpose To eval...

journal_title：Radiology

authors： Wade RG,Takwoingi Y,Wormald JCR,Ridgway JP,Tanner S,Rankine JJ,Bourke G

更新日期：2019-10-01 00:00:00

abstract：:In obese individuals, a localized deposit of normal fat may simulate a mediastinal tumor on chest radiography. It is important to consider this possibility in the differential diagnosis to avoid needless surgery and facilitate continued observation when appropriate. ...

journal_title：Radiology

authors： Steckel RJ

更新日期：1976-04-01 00:00:00

abstract：PURPOSE:To assess feasibility and reliability of electrocardiographic (ECG)-gated cardiac magnetic resonance (MR) imaging with a simplified reusable electrode design that does not touch the skin. MATERIALS AND METHODS:In this institutional review board-approved, HIPAA-compliant study, a silicon positioner held four EC...

journal_title：Radiology

authors： Thimmappa ND,Cooper MA,Nguyen TD,Dutruel SP,Kawaji K,Weinsaft JW

更新日期：2016-02-01 00:00:00

abstract：:In a series of 526 consecutive, unprepared patients examined by ultrasound, the gallbladder was visualized in 507 (96%). The average wall thickness was 2 mm or less in 97% of asymptomatic subjects without cholelithiasis and 3 mm or greater in 45% of those with choletithiasis. Pathologic correlation of increased thickn...

journal_title：Radiology

authors： Finberg HJ,Birnholz JC

更新日期：1979-12-01 00:00:00

abstract：:The safety of small-caliber firearms in a 1.5-T magnetic resonance (MR) imaging environment was assessed with six handguns, which were unloaded before testing. Each firearm was withdrawn barrel-first to assess the interaction of the magnetic field with the hammer and/or trigger. Two of the six weapons discharged repro...

journal_title：Radiology

authors： Kanal E,Shaibani A

更新日期：1994-12-01 00:00:00

abstract：:The use of computed tomography (CT) in 28 patients with surgically proved prolactinomas is described. The authors' experience suggests that in evaluating patients with galactorrhea-amenorrhea syndrome, CT in combination with pluridirectional tomography usually provides sufficient information to make further invasive s...

journal_title：Radiology

authors： Wolpert SM,Post KD,Biller BJ,Molitch ME

更新日期：1979-04-01 00:00:00

abstract：:Pulmonary arteriography is an invasive but relatively safe diagnostic procedure. It is generally believed that the presence of pulmonary hypertension is one risk factor that increases the likelihood of a major complication. To assess the magnitude of risk, the reports on 1,434 patients who underwent pulmonary arteriog...

journal_title：Radiology

authors： Perlmutt LM,Braun SD,Newman GE,Oke EJ,Dunnick NR

更新日期：1987-01-01 00:00:00

abstract：:Background The Alberta Stroke Program Early CT Score (ASPECTS) evaluation is a qualitative method to evaluate focal hypoattenuation at brain CT in early acute stroke. However, interobserver agreement is only moderate. Purpose To compare ASPECTS calculated by using an automatic software tool to neuroradiologist evaluat...

journal_title：Radiology

authors： Maegerlein C,Fischer J,Mönch S,Berndt M,Wunderlich S,Seifert CL,Lehm M,Boeckh-Behrens T,Zimmer C,Friedrich B

更新日期：2019-04-01 00:00:00

abstract：:Purpose To report the results of dual-time-point gallium 68 (68Ga) prostate-specific membrane antigen (PSMA)-11 positron emission tomography (PET)/magnetic resonance (MR) imaging prior to prostatectomy in patients with intermediate- or high-risk cancer. Materials and Methods Thirty-three men who underwent conventional...

journal_title：Radiology

authors： Park SY,Zacharias C,Harrison C,Fan RE,Kunder C,Hatami N,Giesel F,Ghanouni P,Daniel B,Loening AM,Sonn GA,Iagaru A

更新日期：2018-08-01 00:00:00

abstract：:Radiotherapy of verrucous carcinoma has frequently been associated with anaplastic transformation and poor response. No anaplastic transformation was observed in the 6 patients receiving radiotherapy as the primary treatment, and control of disease was favorable compared with 5 surgically treated patients. Four of the...

journal_title：Radiology

authors： Schwade JG,Wara WM,Dedo HH,Phillips TL

更新日期：1976-09-01 00:00:00

abstract：PURPOSE:To assess diagnostic accuracy and interobserver variability at venous enhanced subtracted peak arterial (VESPA) magnetic resonance (MR) venography compared with those at conventional venography for the diagnosis of femoral and iliac deep venous thrombosis (DVT). MATERIALS AND METHODS:A single anteroposterior m...

journal_title：Radiology

authors： Fraser DG,Moody AR,Davidson IR,Martel AL,Morgan PS

更新日期：2003-03-01 00:00:00

abstract：PURPOSE:To retrospectively determine the sensitivity of kinetic features measured with computer-aided evaluation at breast magnetic resonance (MR) imaging in discriminating benign from malignant lesions, with histopathologic findings used as the reference standard. MATERIALS AND METHODS:Institutional review board appr...

journal_title：Radiology

authors： Williams TC,DeMartini WB,Partridge SC,Peacock S,Lehman CD

更新日期：2007-07-01 00:00:00

abstract：PURPOSE:To prospectively compare therapeutic confidence in, patient outcomes (in terms of quality of life) after, and the costs of digital subtraction angiography (DSA) with those of multi-detector row computed tomographic (CT) angiography as the initial diagnostic imaging test in patients with peripheral arterial dise...

journal_title：Radiology

authors： Kock MC,Adriaensen ME,Pattynama PM,van Sambeek MR,van Urk H,Stijnen T,Hunink MG

更新日期：2005-11-01 00:00:00

abstract：PURPOSE:To detect regional metabolic differences in amyotrophic lateral sclerosis (ALS) with whole-brain echo-planar spectroscopic imaging. MATERIALS AND METHODS:Sixteen patients with ALS (nine men, seven women; mean age, 56.6 years), five persons suspected of having ALS (four men, one woman; mean age, 62.6 years), an...

journal_title：Radiology

authors： Verma G,Woo JH,Chawla S,Wang S,Sheriff S,Elman LB,McCluskey LF,Grossman M,Melhem ER,Maudsley AA,Poptani H

更新日期：2013-06-01 00:00:00

abstract：PURPOSE:To investigate the cross-sectional relationships among multiple quantitative brain magnetic resonance (MR) imaging measurements in patients with relapsing-remitting versus chronic progressive multiple sclerosis (MS). MATERIALS AND METHODS:Thirty-eight patients with MS (relapsing-remitting, 26, chronic progress...

journal_title：Radiology

authors： Miki Y,Grossman RI,Udupa JK,van Buchem MA,Wei L,Phillips MD,Patel U,McGowan JC,Kolson DL

更新日期：1999-03-01 00:00:00

abstract：:Circular esophageal myotomy of the upper pouch in infants with esophageal atresia is an effective means of reducing anastomotic tension. This report describes two patients who developed marked postoperative dilatation of the proximal esophagus at the myotomy site. On radiographs, the dilated, air-filled esophagus simu...

journal_title：Radiology

authors： Siegel MJ,Shackelford GD,McAlister WH,Bell MJ

更新日期：1980-08-01 00:00:00