Aortic dissection: magnetic resonance imaging.

abstract：:The computed tomography (CT) scans in two groups of patients with Hodgkin disease were reviewed to determine the frequency of thymic enlargement. In 50 CT scans from 50 patients with evidence of thoracic disease on CT scans who were examined for primary staging, the thymus was enlarged in 15 of 50 (30%). Fifty CT scan...

journal_title：Radiology

authors： Heron CW,Husband JE,Williams MP

更新日期：1988-06-01 00:00:00

abstract：PURPOSE:To evaluate transcatheter arterial embolization in patients with hepatocellular carcinoma, portal vein tumor thrombus, and arterioportal shunts. MATERIALS AND METHODS:Ten patients with hepatocellular carcinoma, portal vein tumor thrombus, and severe arterioportal shunting were identified; in these patients, po...

journal_title：Radiology

authors： Furuse J,Iwasaki M,Yoshino M,Konishi M,Kawano N,Kinoshita T,Ryu M,Satake M,Moriyama N

更新日期：1997-09-01 00:00:00

abstract：:Ultrasonography may be useful as a screening test for carotid body tumors before arteriography. Such tumors are seen as solid, well-circumscribed, weakly echogenic masses located at the carotid bifurcation. ...

journal_title：Radiology

authors： Gooding GA

更新日期：1979-08-01 00:00:00

abstract：:Corticosteroids and local anesthetics are some of the most commonly administered medications in radiology departments. These medications have marked variability in their formulations, which may increase their adverse event profile for specific procedures. In particular, certain corticosteroid preparations are associat...

journal_title：Radiology

authors： MacMahon PJ,Eustace SJ,Kavanagh EC

更新日期：2009-09-01 00:00:00

abstract：PURPOSE:To evaluate the local tumor control and survival data for magnetic resonance (MR) imaging-guided laser-induced interstitial thermotherapy (LITT) of colorectal liver metastases. MATERIALS AND METHODS:MR imaging-guided LITT was performed in 603 patients (mean age, 61.2 years) with 1,801 liver metastases of color...

journal_title：Radiology

authors： Vogl TJ,Straub R,Eichler K,Söllner O,Mack MG

更新日期：2004-02-01 00:00:00

abstract：:Positron emission tomography (PET) provides metabolic information that has been documented to be useful in patient care. The properties of positron decay permit accurate imaging of the distribution of positron-emitting radiopharmaceuticals. The wide array of positron-emitting radiopharmaceuticals has been used to char...

journal_title：Radiology

authors： Rohren EM,Turkington TG,Coleman RE

更新日期：2004-05-01 00:00:00

abstract：:The authors discuss the appropriate FISP (fast imaging with steady-state precession) sequence structure to maintain constant phase at the radio-frequency pulse in the presence of motion. They present preliminary results of its application to head and spine imaging in an effort to maintain contrast between the cerebros...

journal_title：Radiology

authors： Haacke EM,Wielopolski PA,Tkach JA,Modic MT

更新日期：1990-05-01 00:00:00

abstract：:Background Comprehensive assessments of the frequency and associated doses from radiologic and nuclear medicine procedures are rarely conducted. The use of these procedures and the population-based radiation dose increased remarkably from 1980 to 2006. Purpose To determine the change in per capita radiation exposure i...

journal_title：Radiology

authors： Mettler FA Jr,Mahesh M,Bhargavan-Chatfield M,Chambers CE,Elee JG,Frush DP,Miller DL,Royal HD,Milano MT,Spelic DC,Ansari AJ,Bolch WE,Guebert GM,Sherrier RH,Smith JM,Vetter RJ

更新日期：2020-05-01 00:00:00

abstract：:Effect of noise reduction filters on chest computed tomographic (CT) images acquired with 50% radiation dose reduction was evaluated. Two sets of images were acquired with multi-detector row CT at standard (220-280 mA) and 50% reduced (110-140 mA) tube current at the level of the carina. After postprocessing with six ...

journal_title：Radiology

authors： Kalra MK,Wittram C,Maher MM,Sharma A,Avinash GB,Karau K,Toth TL,Halpern E,Saini S,Shepard JA

更新日期：2003-07-01 00:00:00

abstract：:The records of 22 patients in whom wall thickening of the renal collecting system was seen at ultrasound (US) were retrospectively reviewed. Wall thickening was found in 15 patients with renal transplants and seven with native kidneys. Severe thickening occurred with transplant rejection, but thickening also occurred ...

journal_title：Radiology

authors： Nicolet V,Carignan L,Dubuc G,Hébert G,Bourdon F,Paquin F

更新日期：1988-08-01 00:00:00

abstract：PURPOSE:To identify the sonographic appearance of normal fetal midface anatomy of in vitro fetal specimens and to correlate the appearance with that of in utero fetuses to determine which aspects of this anatomy can be evaluated clinically. MATERIALS AND METHODS:The midface structures of 12 normal fetal specimens were...

journal_title：Radiology

authors： Babcook CJ,McGahan JP,Chong BW,Nemzek WR,Salamat MS

更新日期：1996-10-01 00:00:00

abstract：PURPOSE:To evaluate initial clinical outcomes of volumetric magnetic resonance (MR)-guided high-intensity focused ultrasound (HIFU) ablation by using a one-layer strategy to treat large (>10 cm in diameter) uterine fibroids, with investigation of the correlation between effectiveness of the one-layer strategy and dynam...

journal_title：Radiology

authors： Kim YS,Kim JH,Rhim H,Lim HK,Keserci B,Bae DS,Kim BG,Lee JW,Kim TJ,Choi CH

更新日期：2012-05-01 00:00:00

abstract：:Serial pulmonary imaging has proved to be effective in the evaluation of patients undergoing total joint arthroplasty. A clinical dilemma arises in asymptomatic patients whose postoperative pulmonary images differ from the preoperative images. The authors prospectively evaluated 403 patients with serial imaging to det...

journal_title：Radiology

authors： Foley M,Maslack MM,Rothman RH,Casey MP,Lugano EM,Parry CE,Balderston RA,Booth RE Jr

更新日期：1989-08-01 00:00:00

abstract：:Olfactory neuroblastoma is often misdiagnosed pathologically. The authors reviewed eight such cases in which the pathological findings met strict criteria. These neoplasms are locally invasive in the nose and paranasal sinuses, with frequent intraorbital and intracranial extension as well as distant metastases. A rare...

journal_title：Radiology

authors： Burke DP,Gabrielsen TO,Knake JE,Seeger JF,Oberman HA

更新日期：1980-11-01 00:00:00

abstract：PURPOSE:To determine the appropriate radiologic criteria of metastatic retropharyngeal lymph nodes (RLNs) in patients with nasopharyngeal carcinoma (NPC). MATERIALS AND METHODS:After institutional review board approval and informed consent, 303 consecutive NPC patients treated with definitive radiation therapy were ex...

journal_title：Radiology

authors： Zhang GY,Liu LZ,Wei WH,Deng YM,Li YZ,Liu XW

更新日期：2010-05-01 00:00:00

abstract：PURPOSE:To determine conversion factors for the new International Commission on Radiological Protection (ICRP) publication 103 recommendations for adult and pediatric patients and to compare the effective doses derived from Monte Carlo calculations with those derived from dose-length product (DLP) for different body re...

journal_title：Radiology

authors： Deak PD,Smal Y,Kalender WA

更新日期：2010-10-01 00:00:00

abstract：PURPOSE:To compare magnetic resonance (MR) imaging of the oropharynx in patients with sleep apnea syndrome with fiberoptic nasopharyngoscopy, and oropharyngeal pressure and apnea index values. MATERIALS AND METHODS:After sleep induction, 24 patients with sleep apnea syndrome and nine patients with non-sleep-apnea snor...

journal_title：Radiology

authors： Suto Y,Matsuda E,Inoue Y,Suzuki T,Ohta Y

更新日期：1996-11-01 00:00:00

abstract：:A system utilizing a multi-image capacity video disc recorder rather than a photographic camera for the initial recording of ultrasound images id described, as well as the resulting benefits. ...

journal_title：Radiology

authors： Skolnick ML

更新日期：1979-11-01 00:00:00

abstract：PURPOSE:To determine the feasibility of measuring choline and glycogen concentrations in normal human liver in vivo with proton (hydrogen 1 [1H]) magnetic resonance (MR) spectroscopy. MATERIALS AND METHODS:Signed consent to participate in an institutional review board-approved and HIPAA-compliant study was obtained fr...

journal_title：Radiology

authors： Ouwerkerk R,Pettigrew RI,Gharib AM

更新日期：2012-11-01 00:00:00

abstract：:A method is described for the rapid and easy manipulation of a Kimray-Greenfield vena cava filter beyond an obstructing eustachian valve. ...

journal_title：Radiology

authors： Glass TA,D'Souza VJ,Velasquez G,Formanek AG,Meredith J,Albertson D

更新日期：1984-01-01 00:00:00

abstract：:Local relapse was suspected in 26 women treated conservatively for breast cancer. All women underwent routine magnetic resonance (MR) imaging and a dynamic MR subtraction study after injection of gadolinium-tetraazacyclododecanetetra-acetic acid. Twelve women had no local relapse. Surgical biopsy enabled confirmation ...

journal_title：Radiology

authors： Gilles R,Guinebretière JM,Shapeero LG,Lesnik A,Contesso G,Sarrazin D,Masselot J,Vanel D

更新日期：1993-08-01 00:00:00

abstract：PURPOSE:To compare the alpha-angle measurements in volunteers and patients with femoroacetabular impingement (FAI) and to develop potential threshold values. MATERIALS AND METHODS:This study was approved by the institutional review board; all individuals signed informed consent. Magnetic resonance (MR) images at 1.5 T...

journal_title：Radiology

authors： Sutter R,Dietrich TJ,Zingg PO,Pfirrmann CW

更新日期：2012-08-01 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：:The effects of increasing single selective doses of prostaglandin E1 (PGE1) on superior mesenteric arterial flow and portal and systemic blood pressures were studied in dogs to assess its value as a vasodilatory agent for pharmacoangiography. PGE1 consistently increased blood flow, with an average increase of 187%, bu...

journal_title：Radiology

authors： Cho KJ,Chuang VP,Reuter SR

更新日期：1975-07-01 00:00:00

abstract：:Mammograms of 220 patients who underwent spot localization for removal of nonpalpable breast lesions were reviewed for accuracy of interpretation. Results of subsequent biopsy indicated malignancy in 77 cases. The interpretations of mammograms obtained before biopsy were incorrect in 71 cases (27 false-negative and 44...

journal_title：Radiology

authors： Hermann G,Janus C,Schwartz IS,Krivisky B,Bier S,Rabinowitz JG

更新日期：1987-11-01 00:00:00

abstract：:Computed tomographic metrizamide myelography (CTMM) was performed on 25 infants and children and 2 adults with normal spinal cords. Both the cord and the cauda equina were precisely outlined. The most detailed information was obtained with a small window setting, with the image subsequently magnified and color-reverse...

journal_title：Radiology

authors： Resjö IM,Harwood-Nash DC,Fitz CR,Chuang S

更新日期：1979-03-01 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：:The pressures generated by a barium suspension and various solutions of meglumine sodium diatrizoate in water were measured with a manometer. A pressure of 120 mm Hg was produced by a 3.5-foot (105-cm) column of 60% wt/vol barium and a 5-foot (150-cm) column of either a 1:3 or 1:4 solution of meglumine sodium diatrizo...

journal_title：Radiology

authors： Kuta AJ,Benator RM

更新日期：1990-04-01 00:00:00

abstract：PURPOSE:To determine whether fetal growth measured at serial ultrasonographic (US) examinations can predict neonatal morbidity, independent of whether gestational age is known. MATERIALS AND METHODS:Women (n = 321) who had singleton pregnancies and underwent two or more second- or third-trimester obstetric US examinat...

journal_title：Radiology

authors： Smith-Bindman R,Chu PW,Ecker JL,Feldstein VA,Filly RA,Bacchetti P

更新日期：2002-04-01 00:00:00

abstract：:The importance of axillary node status in the prognosis of breast cancer led the authors to conduct a prospective study comparing the value of clinical examination with ultrasound (US) performed by a transpectoral approach. All 60 patients examined underwent axillary dissection. Sensitivity was 45.4% for clinical exam...

journal_title：Radiology

authors： Bruneton JN,Caramella E,Héry M,Aubanel D,Manzino JJ,Picard JL

更新日期：1986-02-01 00:00:00