Complications of cesarean section: role of transperineal US.

abstract：PURPOSE:To estimate the fraction of moving blood in tissue with power Doppler ultrasound (US). MATERIALS AND METHODS:Power Doppler US measurements of moving scatterers in a flow tube were made as a function of successive dilutions of the perfusate. Measurements were normalized relative to the maximum Doppler power in ...

journal_title：Radiology

authors： Rubin JM,Adler RS,Fowlkes JB,Spratt S,Pallister JE,Chen JF,Carson PL

更新日期：1995-10-01 00:00:00

abstract：:In diagnostic radiology, the routine measurement of exposure levels for a reference patient is an important part of an effective quality assurance program. In the United States, chest radiography is the most frequent examination and has the lowest exposure level of all radiologic examinations. We estimated the amount ...

journal_title：Radiology

authors： Butler PF,Conway BJ,Suleiman OH,Koustenis GH,Showalter CK

更新日期：1985-08-01 00:00:00

abstract：:Five patients with frostbite injury were studied by selective angiography and treated by selective intra-arterial application of reserpine with follow-up angiography two days later. Control angiograms showed various degrees of vascular spasm as well as organic stenosis and occlusion. Intra-arterial reserpine produced ...

journal_title：Radiology

authors： Gralino BJ,Porter JM,Rosch J

更新日期：1976-05-01 00:00:00

abstract：:Three cases of talocalcaneal coalition were evaluated with routine radiography, conventional tomography, 99mTc-MDP bone scintigraphy, and computed tomography (CT). Routine radiography was normal in 1 case and demonstrated secondary findings suggesting coalition in 2. Conventional tomography confirmed the coalition in ...

journal_title：Radiology

authors： Deutsch AL,Resnick D,Campbell G

更新日期：1982-07-01 00:00:00

abstract：:In situ saphenous vein grafts are being used with increasing frequency for bypass procedures involving the femoral and popliteal arteries. Complications of these procedures include anastomotic stenoses and persistent arteriovenous fistulae that may result in failure of the graft. Balloon angioplasty and embolotherapy ...

journal_title：Radiology

authors： Kinnison ML,Perler BA,Kaufman SL,Mitchell SE,Kadir S,Williams GM,White RI Jr

更新日期：1986-09-01 00:00:00

abstract：:The United States of America changed the composition of the penny in 1982. It is now a copper-plated, zinc-based coin. Erosions of the edge of this new coin were observed when it was impacted in the esophagus of a 13-month-old child. ...

journal_title：Radiology

authors： Fernbach SK,Tucker GF

更新日期：1986-02-01 00:00:00

abstract：:Ultrasound treatment (1.5 W/cm2, 1.9 MHz, C.W.) for 15 minutes either before or after x irradiation reduced the TCD50 of sarcoma-180 by approximately 40% while similar ultrasound treatment for up to 30 minutes did not reduce the TCD50 of the C3HBA mammary adenocarcinoma. Water bath heating (44.5 degrees C for 15 minut...

journal_title：Radiology

authors： Witcofski RL,Kremkau FW

更新日期：1978-06-01 00:00:00

abstract：:CT scans of 87 patients with subdural hematoma were compared to those of 393 patients with midline shift caused by other intracranial lesions with regard to attenuation changes in the lesion and the character of the ventricular deformity. Isoattenuating was exhibited by 25% of the subdural hematomas and 5% of the othe...

journal_title：Radiology

authors： Möller A,Ericson K

更新日期：1979-01-01 00:00:00

abstract：:Phantom and in vitro studies were performed to evaluate the potential application of digital circular tomosynthesis in imaging of the breast and upper cervical spine. A prototype volumetric x-ray system was used to image a mammographic phantom, a fresh mastectomy specimen, and a head phantom containing the upper cervi...

journal_title：Radiology

authors： Stevens GM,Birdwell RL,Beaulieu CF,Ikeda DM,Pelc NJ

更新日期：2003-08-01 00:00:00

abstract：:Purpose To compare adverse events and survival outcomes, including cancer-specific survival and overall survival (OS), in patients with T1aN0M0 renal cell carcinoma (RCC) who are undergoing partial nephrectomy (PN), radical nephrectomy (RN), thermal ablation (TA), or active surveillance (AS). Materials and Methods Thr...

journal_title：Radiology

authors： Xing M,Kokabi N,Zhang D,Ludwig JM,Kim HS

更新日期：2018-07-01 00:00:00

abstract：:Multiple renal arteries originating from the aortoiliac vessels were identified angiographically in 44% of 444 prospective renal donors. Bilateral multiple renal arteries were identified in 12%. With good immunological donor-recipient matching, 17 kidneys with multiple renal arteries were transplanted with excellent r...

journal_title：Radiology

authors： Spring DB,Salvatierra O Jr,Palubinskas AJ,Amend WJ Jr,Vincenti FG,Feduska NJ

更新日期：1979-10-01 00:00:00

abstract：PURPOSE:To assess white matter (WM) tract damage in patients with atypical Alzheimer disease (AD), including early-onset AD (EOAD), logopenic variant of primary progressive aphasia (lvPPA), and posterior cortical atrophy (PCA), by using diffusion-tensor magnetic resonance (MR) imaging and to identify similarities and d...

journal_title：Radiology

authors： Caso F,Agosta F,Mattavelli D,Migliaccio R,Canu E,Magnani G,Marcone A,Copetti M,Falautano M,Comi G,Falini A,Filippi M

更新日期：2015-10-01 00:00:00

abstract：:Purpose To evaluate the performance of the 2010 Society of Radiologists in Ultrasound (SRU) consensus guidelines in the risk stratification of symptomatic and asymptomatic adnexal cysts. Materials and Methods An institutional review board-approved retrospective review was performed, including adnexal cysts detected wi...

journal_title：Radiology

authors： Maturen KE,Blaty AD,Wasnik AP,Patel-Lippmann K,Robbins JB,Barroilhet L,Huffman LB,Sadowski EA

更新日期：2017-11-01 00:00:00

abstract：PURPOSE:To evaluate the combined use of several ultrasonographic (US) criteria in the detection of Perthes disease. MATERIALS AND METHODS:In a prospective study, 144 consecutive children with a painful hip underwent US. The thicknesses of the (a) anterior recess of the joint capsule, (b) cartilage of the femoral head,...

journal_title：Radiology

authors： Robben SG,Meradji M,Diepstraten AF,Hop WC

更新日期：1998-07-01 00:00:00

abstract：PURPOSE:To prospectively assess aortic dimensions, aortic elasticity, aortic valve competence, and left ventricular (LV) systolic function in patients after the arterial switch operation (ASO) by using magnetic resonance (MR) imaging. MATERIALS AND METHODS:Informed consent was obtained from all participants for this l...

journal_title：Radiology

authors： Grotenhuis HB,Ottenkamp J,Fontein D,Vliegen HW,Westenberg JJ,Kroft LJ,de Roos A

更新日期：2008-12-01 00:00:00

abstract：PURPOSE:To assess diagnostic accuracy of preoperatively performed magnetic resonance (MR) imaging for detection of tumor extent in a large patient population with histopathologically proved retinoblastoma. MATERIALS AND METHODS:Local ethics committee approval and informed consent were not required for retrospective re...

journal_title：Radiology

authors： de Graaf P,Barkhof F,Moll AC,Imhof SM,Knol DL,van der Valk P,Castelijns JA

更新日期：2005-04-01 00:00:00

abstract：PURPOSE:To determine if patients with multiple fluid collections need every collection aspirated and if cross-contamination is a risk if separate sterile procedures are not followed for each aspiration. MATERIALS AND METHODS:Records from 1,076 imaging-guided percutaneous aspirations and drainages over 39 months were r...

journal_title：Radiology

authors： Heneghan JP,Everts RJ,Nelson RC

更新日期：1999-09-01 00:00:00

abstract：PURPOSE:To test three-dimensional (3D), navigator-echo magnetic resonance (MR) coronary angiography in detecting stenoses of the coronary arteries. MATERIALS AND METHODS:Forty-two patients (age range, 50-79 years) underwent MR coronary angiography (1.5 T). A navigator-echo sequence was used. Two or three 15% overlappe...

journal_title：Radiology

authors： Sardanelli F,Molinari G,Zandrino F,Balbi M

更新日期：2000-03-01 00:00:00

abstract：PURPOSE:To assess the accuracy of glomerular filtration rate (GFR) measurements obtained with low-contrast agent dose dynamic contrast material-enhanced magnetic resonance (MR) renography in patients with liver cirrhosis who underwent routine liver MR imaging, with urinary clearance of technetium 99m ((99m)Tc) pentetic...

journal_title：Radiology

authors： Vivier PH,Storey P,Rusinek H,Zhang JL,Yamamoto A,Tantillo K,Khan U,Lim RP,Babb JS,John D,Teperman LW,Chandarana H,Friedman K,Benstein JA,Skolnik EY,Lee VS

更新日期：2011-05-01 00:00:00

abstract：:Purpose To determine whether altered sodium (Na(+)) and chloride (Cl(-)) homeostasis can be visualized in periodic paralyses by using 7-T sodium 23 ((23)Na) and chlorine 35 ((35)Cl) magnetic resonance (MR) imaging. Materials and Methods Institutional review board approval and informed consent of all participants were ...

journal_title：Radiology

authors： Weber MA,Nagel AM,Marschar AM,Glemser P,Jurkat-Rott K,Wolf MB,Ladd ME,Schlemmer HP,Kauczor HU,Lehmann-Horn F

更新日期：2016-09-01 00:00:00

abstract：:The chest radiographs of 24 patients with documented Legionnaires' disease were evaluated. Twenty-two of the 24 patients had positive findings for the disease initially. There was unilateral involvement in 68% and the most common lung shadows were poorly marginated round opacities (46%), diffuse patchy (25%) and perip...

journal_title：Radiology

authors： Dietrich PA,Johnson RD,Fairbank JT,Walke JS

更新日期：1978-06-01 00:00:00

abstract：:There is an increasing opportunity to perform multifunctional imaging at a variety of organ sites with relatively short examination times. Each technique yields quantitative parameters that reflect specific aspects of the underlying tumor or tissue biology. Many biomarkers have emerged that provide unique information ...

journal_title：Radiology

authors： Padhani AR,Miles KA

更新日期：2010-08-01 00:00:00

abstract：:A high-resolution real-time ultrasound sector scanner was used in the evaluation of patients with suspected gallbladder disease. This technique is noninvasive, requires minimal preparation, and takes less than five minutes for a thorough examination of the gallbladder and related anatomy. In 17 months, 959 patients we...

journal_title：Radiology

authors： Cooperberg PL,Pon MS,Wong P,Stoller JL,Burhenne HJ

更新日期：1979-06-01 00:00:00

abstract：PURPOSE:To determine the correlation between the degree of plaque enhancement with contrast agent microbubbles and clinical symptoms in patients with carotid atherosclerotic plaque. MATERIALS AND METHODS:The study was approved by the hospital ethical committee, and informed consent was obtained from all patients. One ...

journal_title：Radiology

authors： Xiong L,Deng YB,Zhu Y,Liu YN,Bi XJ

更新日期：2009-05-01 00:00:00

abstract：:Purpose To investigate the prognostic value of circumferential left ventricular (LV) strain measured by using cardiac MRI for prediction of major adverse cardiac events (MACE) following an acute ST-segment-elevation myocardial infarction (STEMI). Materials and Methods Participants with acute STEMI were prospectively e...

journal_title：Radiology

authors： Mangion K,Carrick D,Carberry J,Mahrous A,McComb C,Oldroyd KG,Eteiba H,Lindsay M,McEntegart M,Hood S,Petrie MC,Watkins S,Davie A,Zhong X,Epstein FH,Haig CE,Berry C

更新日期：2019-02-01 00:00:00

abstract：PURPOSE:To correlate magnetic resonance (MR) imaging and pathologic findings in premature infants with periventricular leukomalacia (PVL). MATERIALS AND METHODS:Eight premature infants with PVL who died after 3-7 weeks of life were studied with in vivo T1-weighted MR imaging, and imaging patterns were compared with hy...

journal_title：Radiology

authors： Schouman-Claeys E,Henry-Feugeas MC,Roset F,Larroche JC,Hassine D,Sadik JC,Frija G,Gabilan JC

更新日期：1993-10-01 00:00:00

abstract：:A technique to perform a liver biopsy through the femoral vein with the Mansfield biopsy forceps is described. Nine liver biopsy procedures were performed in seven patients who were considered at high risk of bleeding, precluding a conventional transperitoneal biopsy. The technique is an easy, safe, and well-tolerated...

journal_title：Radiology

authors： Mewissen MW,Lipchik EO,Schreiber ER,Varma RR

更新日期：1988-12-01 00:00:00

abstract：:Innovations in design of a dedicated breast scanner resulted in automation of the scanning process, the production of high resolution images of the whole breast and an efficient mode of image review. The results of clinical evaluation of the prototype of this breast scanner investigating normal breasts as well as beni...

journal_title：Radiology

authors： Maturo VG,Zusmer NR,Gilson AJ,Smoak WM,Janowitz WR,Bear BE,Goddard J,Dick DE

更新日期：1980-11-01 00:00:00

abstract：:Although infrequent, esophageal rupture is a serious complication of pneumatic dilatation for the treatment of achalasia. Because of an experience with delayed recognition of esophageal perforation in a patient with achalasia, we now examine the esophagus using a water-soluble contrast medium immediately following eve...

journal_title：Radiology

authors： Stewart ET,Miller WN,Hogan WJ,Dodds WJ

更新日期：1979-03-01 00:00:00

abstract：:The CT findings in two surgically proved cases of spontaneous chronic extradural hematoma are presented. Tapered convex margins, a length greater than 2 cm, and associated normal intervertebral disks are findings that help distinguish chronic extradural hematoma from an extruded disk. ...

journal_title：Radiology

authors： Levitan LH,Wiens CW

更新日期：1983-09-01 00:00:00