Tomography of hydrogen with nuclear magnetic resonance.

abstract：PURPOSE:To compare anatomic alignment between morphologic and positron emission tomography (PET) images acquired in the abdomen and pelvis by using simultaneous magnetic resonance (MR)/PET, PET/computed tomography (CT), and retrospective MR/PET fusion and to compare alignment between MR and PET in simultaneous and sequ...

journal_title：Radiology

authors： Brendle CB,Schmidt H,Fleischer S,Braeuning UH,Pfannenberg CA,Schwenzer NF

更新日期：2013-07-01 00:00:00

abstract：:Background Assessment of femoral torsion at preoperative hip imaging is commonly recommended. However, it is unclear whether MRI is as accurate as CT and how different methods affect femoral torsion measurements. Purpose To compare MRI- and CT-based assessment of femoral torsion by using four commonly used measurement...

journal_title：Radiology

authors： Schmaranzer F,Kallini JR,Miller PE,Kim YJ,Bixby SD,Novais EN

更新日期：2020-08-01 00:00:00

abstract：PURPOSE:To identify the complications and imaging findings related to lymphangioleiomyomatosis (LAM) after lung transplantation. MATERIALS AND METHODS:The authors retrospectively reviewed the clinical histories and imaging studies of 13 patients from five major medical centers who underwent unilateral (n = 8) or bilat...

journal_title：Radiology

authors： Collins J,Müller NL,Kazerooni EA,McAdams HP,Leung AN,Love RB

更新日期：1999-02-01 00:00:00

abstract：:The authors reviewed 76 magnetic resonance (MR) images of 38 patients with osteosarcoma treated with preoperative chemotherapy (intraarterial cisplatin with or without systemic chemotherapy). Histologic maps of the surgical tumor specimens in 33 cases were correlated with either late-chemotherapy or postchemotherapy M...

journal_title：Radiology

authors： Pan G,Raymond AK,Carrasco CH,Wallace S,Kim EE,Shirkhoda A,Jaffe N,Murray JA,Benjamin RS

更新日期：1990-02-01 00:00:00

abstract：:Diffusion magnetic resonance (MR) imaging is evolving into a potent tool in the examination of the central nervous system. Although it is often used for the detection of acute ischemia, evaluation of directionality in a diffusion measurement can be useful in white matter, which demonstrates strong diffusion anisotropy...

journal_title：Radiology

authors： Nucifora PG,Verma R,Lee SK,Melhem ER

更新日期：2007-11-01 00:00:00

abstract：PURPOSE:To assess prospectively the concordance of enhancement patterns of focal liver masses on contrast material-enhanced ultrasonographic (US) scans with patterns on contrast-enhanced computed tomographic (CT) scans or magnetic resonance (MR) images. MATERIALS AND METHODS:This study was approved by the institutiona...

journal_title：Radiology

authors： Burns PN,Wilson SR

更新日期：2007-01-01 00:00:00

abstract：:Magnetic resonance (MR) imaging-related artifacts associated with five different aneurysm clips made of five different metals (commercially pure titanium, titanium alloy, Phynox, Elgiloy, and cobalt alloy) were evaluated. Aneurysm clips made of commercially pure titanium and titanium alloy produced the smallest artifa...

journal_title：Radiology

authors： Shellock FG,Kanal E

更新日期：1998-11-01 00:00:00

abstract：PURPOSE:To determine the natural time course of development of hyperacute thermal lesions in the brain. MATERIALS AND METHODS:Ten interstitial lesions were created in five rabbit brains with a radio-frequency probe; an electrode-tip temperature of 80 degrees C was maintained for 60 seconds. Continuous fast spin-echo m...

journal_title：Radiology

authors： Farahani K,Mischel PS,Black KL,De Salles AA,Anzai Y,Lufkin RB

更新日期：1995-08-01 00:00:00

abstract：:In a study of 726 patients, xeroradiography of the thyroid using a modified oblique projection was found to be superior to conventional soft-tissue radiography in detecting calcification in thyroid tumors because of edge enhancement. This facilitated a diagnosis of carcinoma in 75% of 68 primary tumors and 55% of 33 r...

journal_title：Radiology

authors： Kasai N,Tsuya A

更新日期：1981-11-01 00:00:00

abstract：PURPOSE:To determine whether infiltrative lung, airway, or vascular disease can be differentiated as the cause of mosaic attenuation on thin-section computed tomographic (CT) scans of the lung. MATERIALS AND METHODS:Thin-section CT scans were reviewed in 70 patients examined at three institutions. A mosaic attenuation...

journal_title：Radiology

authors： Worthy SA,Müller NL,Hartman TE,Swensen SJ,Padley SP,Hansell DM

更新日期：1997-11-01 00:00:00

abstract：PURPOSE:To determine diagnostic accuracy of four-channel multi-detector row computed tomography (CT) in emergency room and inpatient populations suspected of having acute pulmonary embolism (PE) who prospectively underwent both CT and pulmonary arteriography (PA). MATERIALS AND METHODS:Patients referred for PA to asse...

journal_title：Radiology

authors： Winer-Muram HT,Rydberg J,Johnson MS,Tarver RD,Williams MD,Shah H,Namyslowski J,Conces D,Jennings SG,Ying J,Trerotola SO,Kopecky KK

更新日期：2004-12-01 00:00:00

abstract：:Purpose To determine if the change in tumor apparent diffusion coefficient (ADC) at diffusion-weighted (DW) MRI is predictive of pathologic complete response (pCR) to neoadjuvant chemotherapy for breast cancer. Materials and Methods In this prospective multicenter study, 272 consecutive women with breast cancer were e...

journal_title：Radiology

authors： Partridge SC,Zhang Z,Newitt DC,Gibbs JE,Chenevert TL,Rosen MA,Bolan PJ,Marques HS,Romanoff J,Cimino L,Joe BN,Umphrey HR,Ojeda-Fournier H,Dogan B,Oh K,Abe H,Drukteinis JS,Esserman LJ,Hylton NM,ACRIN 6698 Trial Team a

更新日期：2018-12-01 00:00:00

abstract：PURPOSE:To evaluate acute myocardial infarction by using first-pass enhancement (FPE) and delayed enhancement (DE) magnetic resonance (MR) imaging compared with thallium 201 ((201)Tl) single photon emission computed tomography (SPECT). MATERIALS AND METHODS:Contrast material-enhanced FPE MR, inversion-recovery DE MR, ...

journal_title：Radiology

authors： Lund GK,Stork A,Saeed M,Bansmann MP,Gerken JH,Müller V,Mester J,Higgins CB,Adam G,Meinertz T

更新日期：2004-07-01 00:00:00

abstract：:An inverse linear correlation was found between patients' ages and the quality of bone scans. The degrees to which radionuclides were visible in soft tissue, kidneys, and particularly cancellous bone were the basis of this correlation. ...

journal_title：Radiology

authors： Wilson MA

更新日期：1981-06-01 00:00:00

abstract：:Measurements of the intensity distribution of a 60-Co beam revealed a significant field distortion caused by minor misalignment of the collimator assembly which was not detected by routine methods. Accurate monitoring of radiation intensity distribution and periodic visual inspection of collimators are suggested for ...

journal_title：Radiology

authors： Zeman GH,Rao GU,Hazra TA

更新日期：1975-07-01 00:00:00

abstract：:Purpose To evaluate the diagnostic accuracy of the quantitative parameter standardized uptake value (SUV) at single photon emission computed tomography (SPECT)/computed tomography (CT) for the evaluation of temporomandibular joint (TMJ) disorder (TMD). Materials and Methods This study was approved by the institutional...

journal_title：Radiology

authors： Suh MS,Lee WW,Kim YK,Yun PY,Kim SE

更新日期：2016-09-01 00:00:00

abstract：PURPOSE:To evaluate involvement of the lower uterine segment (LUS) in adenocarcinoma of the endometrium and to identify patterns of treatment failure. MATERIALS AND METHODS:Two hundred four patients, aged 29-92 years, with endometrial carcinoma underwent surgery. Postoperative radiation therapy was administered for ad...

journal_title：Radiology

authors： Mayr NA,Wen BC,Benda JA,Sorosky JI,Davis CS,Fuller RW,Hussey DH

更新日期：1995-08-01 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：PURPOSE:To evaluate the accuracy of preoperative computed tomography (CT) in predicting the location and type of ductal involvement and malignant transformation in intraductal papillary mucinous (IPM) pancreatic tumors and to determine the predictive factors for malignancy at CT. MATERIALS AND METHODS:The helical CT s...

journal_title：Radiology

authors： Taouli B,Vilgrain V,Vullierme MP,Terris B,Denys A,Sauvanet A,Hammel P,Menu Y

更新日期：2000-12-01 00:00:00

abstract：PURPOSE:To evaluate the therapeutic efficacy and safety of percutaneous radiofrequency (RF) ablation for recurrent hepatocellular carcinoma (HCC) in the liver after hepatectomy. MATERIALS AND METHODS:Forty-five patients with 53 recurrent HCC tumors in the liver underwent percutaneous RF ablation with ultrasonographic ...

journal_title：Radiology

authors： Choi D,Lim HK,Kim MJ,Lee SH,Kim SH,Lee WJ,Lim JH,Joh JW,Kim YI

更新日期：2004-01-01 00:00:00

abstract：:Fifteen patients with suspected or known aortic dissection were imaged with magnetic resonance (MR). Thirteen of these patients were eventually shown to have dissection. In most instances the diagnosis was established by aortography and/or computed tomography (CT) prior to the MR study. Surgical proof (6/13) and/or ao...

journal_title：Radiology

authors： Amparo EG,Higgins CB,Hricak H,Sollitto R

更新日期：1985-05-01 00:00:00

abstract：:Gray-scale ultrasonography of the thyroid was performed in 33 patients, utilizing a commercially available scanning unit and an aqueous gel coupling medium. Solid and cystic lesions could readily be differentiated, but it was impossible to tell benign lesions from malignant tumors. The ultrasound appearance of thyroid...

journal_title：Radiology

authors： Chilcote WS

更新日期：1976-08-01 00:00:00

abstract：:Transient sonographic abnormalities of the urinary bladder in children can be identified immediately after performance of voiding cystourethrography. Both cystic and solid masses may be mimicked by transient hematuria induced by minor, cystography-related trauma. After the bladder has been emptied and refilled, reexam...

journal_title：Radiology

authors： Markle BM,Catena L

更新日期：1986-04-01 00:00:00

abstract：:The authors designed and built an overlapping surface coil assembly for magnetic resonance imaging of the spine. A small and a large coil are included, and use of one can be switched to the other without need for patient repositioning. The images are not degraded, and screening studies can immediately be followed by d...

journal_title：Radiology

authors： Arakawa M,Krasnor S,Fehn J,McCarten B,Kaufman L

更新日期：1987-09-01 00:00:00

abstract：:A review of 26 cases of columnar-lined (Barrett's) esophagus suggests that this lesion is more common than generally appreciated, usually arising consequent to reflux esophagitis. The radiologically detectable lesions frequently do not support the idea that Barrett's esophagus presents only with high esophageal ulcer ...

journal_title：Radiology

authors： Robbins AH,Hermos JA,Schimmel EM,Friedlander DM,Messian RA

更新日期：1977-04-01 00:00:00

abstract：PURPOSE:To compare the reliability of acoustic radiation force impulse (ARFI) imaging and supersonic shear imaging (SSI) in measurement of liver stiffness. MATERIALS AND METHODS:This study was approved by the institutional review board, and written informed consent was obtained for all patients. Seventy-nine patients ...

journal_title：Radiology

authors： Woo H,Lee JY,Yoon JH,Kim W,Cho B,Choi BI

更新日期：2015-12-01 00:00:00

abstract：PURPOSE:To determine the diagnostic accuracy of breath-hold, contrast material-enhanced, three-dimensional (3D) magnetic resonance (MR) angiography in the assessment of the aortoiliac inflow tract and renal arteries with conventional catheter angiography as the standard of reference. MATERIALS AND METHODS:In 39 patien...

journal_title：Radiology

authors： Hany TF,Debatin JF,Leung DA,Pfammatter T

更新日期：1997-08-01 00:00:00

abstract：:Purpose To evaluate whether dual-selectin-targeted US molecular imaging allows longitudinal monitoring of anti-inflammatory treatment effects in an acute terminal ileitis model in swine. Materials and Methods The Institutional Animal Care and Use Committee approved all animal studies. Fourteen swine with chemically in...

journal_title：Radiology

authors： Wang H,Hyvelin JM,Felt SA,Guracar I,Vilches-Moure JG,Cherkaoui S,Bettinger T,Tian L,Lutz AM,Willmann JK

更新日期：2018-10-01 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：:An anastomosis between the left renal and left ascending lumbar veins may appear as a mass on CT scans due to a varicosity where the veins separate. Intravenous injection of contrast material reveals the vascular nature of the mass. ...

journal_title：Radiology

authors： Lien HH,von Krogh J

更新日期：1984-08-01 00:00:00