CT-guided aspirations for the body: comparison of hand guidance with stereotaxis.

abstract：PURPOSE:To correlate the in vivo hydrogen 1 ((1)H) magnetic resonance (MR) spectroscopic features of the chronic hepatitis-involved liver with the histopathologic stages of fibrosis. MATERIALS AND METHODS:Seventy-five patients with chronic hepatitis were examined with (1)H MR spectroscopy, which was performed in the r...

journal_title：Radiology

authors： Cho SG,Kim MY,Kim HJ,Kim YS,Choi W,Shin SH,Hong KC,Kim YB,Lee JH,Suh CH

更新日期：2001-12-01 00:00:00

abstract：PURPOSE:To retrospectively analyze serial chest radiographs in all patients with severe acute respiratory syndrome (SARS) in Hong Kong for temporal changes and differences between patients who died and those who were discharged from the hospital and to compare radiographic and clinical parameters. MATERIALS AND METHOD...

journal_title：Radiology

authors： Antonio GE,Ooi CG,Wong KT,Tsui EL,Wong JS,Sy AN,Hui JY,Chan CY,Huang HY,Chan YF,Wong TP,Leong LL,Chan JC,Ahuja AT

更新日期：2005-12-01 00:00:00

abstract：:The authors retrospectively evaluated 12 patients with congenital (neonatal) neuroblastoma to assess the utility of newer imaging modalities. Findings at prenatal ultrasound (US), performed in four patients, were nonspecific (hydramnios and hydrops fetalis) in two and consistent with a suprarenal mass (one solid, one ...

journal_title：Radiology

authors： Forman HP,Leonidas JC,Berdon WE,Slovis TL,Wood BP,Samudrala R

更新日期：1990-05-01 00:00:00

abstract：PURPOSE:To use directed biopsy sampling to determine whether microvascular assessment within gliomas, by means of ultrahigh-field-strength high-spatial-resolution gradient-echo (GRE) magnetic resonance (MR) imaging at 8 T, correlates with histopathologic assessment of microvascularity. MATERIALS AND METHODS:The study ...

journal_title：Radiology

authors： Christoforidis GA,Yang M,Abduljalil A,Chaudhury AR,Newton HB,McGregor JM,Epstein CR,Yuh WT,Watson S,Robitaille PM

更新日期：2012-07-01 00:00:00

abstract：:The influence of viewing time on the detectability of subtle and obvious lung cancers was studied. Frontal chest radiographs of 40 patients with subtle cancers, 40 patients with obvious cancers, and 40 healthy control subjects were shown to four observers for four different viewing times (0.25 second, 1 second, 4 seco...

journal_title：Radiology

authors： Oestmann JW,Greene R,Kushner DC,Bourgouin PM,Linetsky L,Llewellyn HJ

更新日期：1988-02-01 00:00:00

abstract：PURPOSE:To comprehensively assess thoracic anatomy and pulmonary microcirculation in pulmonary embolism by using computed tomographic (CT) angiography of the pulmonary arteries combined with functional CT imaging of blood flow. MATERIALS AND METHODS:Twenty-two patients suspected of having acute pulmonary embolism unde...

journal_title：Radiology

authors： Schoepf UJ,Bruening R,Konschitzky H,Becker CR,Knez A,Weber J,Muehling O,Herzog P,Huber A,Haberl R,Reiser MF

更新日期：2000-12-01 00:00:00

abstract：:Background MRI with hepatobiliary contrast material is more sensitive than MRI with extracellular contrast material in the detection of hepatocellular carcinoma (HCC). Purpose To determine whether postsurgical outcomes differ between patients who undergo MRI with hepatobiliary contrast material and those who undergo M...

journal_title：Radiology

authors： Kim DK,An C,Chung YE,Choi JY,Lim JS,Park MS,Kim MJ

更新日期：2019-12-01 00:00:00

abstract：:Purpose To determine the relationship of patellofemoral joint alignment and trochlear morphology to superolateral Hoffa fat pad (SHFP) edema on magnetic resonance (MR) images in older adults with or at risk for osteoarthritis of the knee. Materials and Methods Institutional review board approval and written informed c...

journal_title：Radiology

authors： Widjajahakim R,Roux M,Jarraya M,Roemer FW,Neogi T,Lynch JA,Lewis CE,Torner JC,Felson DT,Guermazi A,Stefanik JJ

更新日期：2017-09-01 00:00:00

abstract：PURPOSE:To prospectively develop and evaluate the accuracy of a duplex Doppler ultrasonographic (US) index for predicting the presence or absence of esophageal varices in patients with compensated cirrhosis (Child-Pugh class A) by using endoscopy as the reference standard. MATERIALS AND METHODS:The study had instituti...

journal_title：Radiology

authors： Liu CH,Hsu SJ,Liang CC,Tsai FC,Lin JW,Liu CJ,Yang PM,Lai MY,Chen PJ,Chen JH,Kao JH,Chen DS

更新日期：2008-07-01 00:00:00

abstract：:Numerous in vitro studies have found that clot formation may occur when blood is mixed directly with nonionic low-osmolality contrast media during angiographic procedures because of activation of hemostasis in the catheter; ionic contrast media, on the other hand, inhibit clot formation. Thirty patients were injected ...

journal_title：Radiology

authors： Casalini E

更新日期：1992-06-01 00:00:00

abstract：PURPOSE:To evaluate the intra- and interreader agreement of two-dimensional computed tomographic (CT) measurements of pulmonary nodules less than 2 cm in diameter. MATERIALS AND METHODS:Three readers independently made three serial measurements of each of 54 pulmonary nodules measuring 3-18 mm that had been observed o...

journal_title：Radiology

authors： Revel MP,Bissery A,Bienvenu M,Aycard L,Lefort C,Frija G

更新日期：2004-05-01 00:00:00

abstract：PURPOSE:To develop a bilateral femoral magnetic resonance (MR) angiographic examination that would include the aortic bifurcation to the ankle. MATERIALS AND METHODS:Thirty-seven patients underwent conventional angiography and the bilateral femoral MR angiographic examination. Two-dimensional time-of-flight angiograph...

journal_title：Radiology

authors： Quinn SF,Demlow TA,Hallin RW,Eidemiller LR,Szumowski J

更新日期：1993-10-01 00:00:00

abstract：:The purpose of this study was to evaluate an automatic boundary detection algorithm of the left ventricle on magnetic resonance (MR) short-axis images with the essential restriction of no manual corrections. The study comprised 13 patients (nine men, four women) and 12 healthy volunteers (11 men, one woman), and insti...

journal_title：Radiology

authors： van Geuns RJ,Baks T,Gronenschild EH,Aben JP,Wielopolski PA,Cademartiri F,de Feyter PJ

更新日期：2006-07-01 00:00:00

abstract：:To assess the reliability of sonography in the detection of absence of invasion of the carotid artery by tumor, high-resolution ultrasound, surgical, and pathologic findings were prospectively evaluated in 24 patients with disease metastatic to the neck. Sonography performed with 5- and 10-MHz transducers had a sensit...

journal_title：Radiology

authors： Gooding GA,Langman AW,Dillon WP,Kaplan MJ

更新日期：1989-05-01 00:00:00

abstract：:Multicenter, collaborative studies offer an effective way to meet the growing need for timely and generalizable clinical evaluations of imaging technologies. This article discusses issues of study design, statistical analysis, organization, and day-to-day group operation for collaborative prospective clinical evaluati...

journal_title：Radiology

authors： Gatsonis C,McNeil BJ

更新日期：1990-05-01 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：PURPOSE:To evaluate fluorine 18 ((18)F) dihydroxyphenylalanine (DOPA) whole-body positron emission tomography (PET) as a biochemical imaging approach for detection of pheochromocytomas. MATERIALS AND METHODS:(18)F DOPA PET and magnetic resonance (MR) imaging were performed in 14 consecutive patients suspected of havin...

journal_title：Radiology

authors： Hoegerle S,Nitzsche E,Altehoefer C,Ghanem N,Manz T,Brink I,Reincke M,Moser E,Neumann HP

更新日期：2002-02-01 00:00:00

abstract：:Microwave radiometry is a passive and noninvasive technique that allows quick detection of subcutaneous temperature changes. The feasibility of this technique for differentiating normal intravenous infusions of radiographic contrast medium from extravasations of contrast medium was tested in anesthetized dogs. Room-te...

journal_title：Radiology

authors： Shaeffer J,Sigfred SV,Sevcik MA,Grabowy RS,Gemmell LA,Hirschman AD

更新日期：1992-07-01 00:00:00

abstract：PURPOSE:To retrospectively compare the sensitivity of a computer-aided detection (CAD) system for depicting breast cancer in three digital mammographic views. MATERIALS AND METHODS:This study was conducted with institutional review board approval; informed consent was waived. A commercially available CAD system was ap...

journal_title：Radiology

authors： Kim SJ,Moon WK,Cho N,Cha JH,Kim SM,Im JG

更新日期：2006-12-01 00:00:00

abstract：:In a series of nine stereotaxic large-core biopsies of calcifications, radiography of the specimen was used to ensure that appropriate tissue was removed. In eight cases, calcifications were evident at radiography as well as at histologic evaluation. Four cases were malignant and four were benign, and in one case in w...

journal_title：Radiology

authors： Meyer JE,Lester SC,Frenna TH,White FV

更新日期：1993-08-01 00:00:00

abstract：:One hundred and forty-seven patients with clinical stage I nonseminomatous germ cell tumors of the testis were entered into a follow-up program after orchidectomy. Follow-up consisted of regular clinical examinations, estimations of the serum markers beta human chorionic gonadotropin and alpha-fetoprotein, chest radio...

journal_title：Radiology

authors： Williams MP,Husband JE,Heron CW

更新日期：1987-09-01 00:00:00

abstract：:Purpose To compare long-term graft and patient survival after percutaneous angioplasty (PTA) or stent placement for transplant renal artery stenosis (TRAS) with a control cohort without TRAS. Materials and Methods This is a retrospective matched cohort study of 41 patients (median age, 49 years; range, 18-72 years), i...

journal_title：Radiology

authors： Patel U,Kumar S,Johnson OW,Jeon JH,Das R

更新日期：2019-02-01 00:00:00

abstract：:Uterine fibroids occur in approximately 50% of women over the age of 40 years, and an estimated 50% of those are symptomatic. Menorrhagia is the most common symptom and the primary indication for treatment, although bulk symptoms often occur and can be treated. Pharmacotherapy is typically inadequate unless it can be ...

journal_title：Radiology

authors： Silberzweig JE,Powell DK,Matsumoto AH,Spies JB

更新日期：2016-09-01 00:00:00

abstract：PURPOSE:To determine the diagnostic accuracy of bedside chest radiography in patients who develop severe pulmonary complications while undergoing therapy for leukemia. MATERIALS AND METHODS:The authors studied 45 patients, aged 21 years and younger, who died of leukemia or of treatment complications and for whom autop...

journal_title：Radiology

authors： Winer-Muram HT,Rubin SA,Fletcher BD,Kauffman WM,Jennings SG,Arheart KL,Bozeman PM

更新日期：1994-10-01 00:00:00

abstract：PURPOSE:To prospectively evaluate fluorine 18 ((18)F) 2-fluoropropionyl-labeled PEGylated dimeric arginine-glycine-aspartic acid (RGD) peptide (PEG3-E[c{RGDyk}]2) (FPPRGD2) positron emission tomography (PET) in patients with glioblastoma multiforme (GBM). MATERIALS AND METHODS:The institutional review board approved t...

journal_title：Radiology

authors： Iagaru A,Mosci C,Mittra E,Zaharchuk G,Fischbein N,Harsh G,Li G,Nagpal S,Recht L,Gambhir SS

更新日期：2015-11-01 00:00:00

abstract：:A prospective, comparative study was made of the efficacy of technetium-99m pyrophosphate (Tc PYP) and technetium-99m methylene diphosphonate (Tc MDP) in detecting soft-tissue amyloidosis. Tc PYP and Tc MDP scans were obtained within ten-day intervals in seven patients with histologically proven amyloidosis. Tc PYP wa...

journal_title：Radiology

authors： Lee VW,Caldarone AG,Falk RH,Rubinow A,Cohen AS

更新日期：1983-07-01 00:00:00

abstract：:In 15 osteosarcomas and six Ewing sarcomas, response to preoperative chemotherapy was assessed with magnetic resonance (MR) imaging without and with gadolinium diethylenetriaminepentaacetic acid (DTPA) enhancement and with dynamic Gd-DTPA studies, and the results were compared with the scintigraphic findings. All stud...

journal_title：Radiology

authors： Erlemann R,Sciuk J,Bosse A,Ritter J,Kusnierz-Glaz CR,Peters PE,Wuisman P

更新日期：1990-06-01 00:00:00

abstract：:Background Among breast cancer survivors, detecting a breast cancer when it is asymptomatic (rather than symptomatic) improves survival; thus, imaging surveillance in these patients is warranted. Digital breast tomosynthesis (DBT) is used for screening, but data on DBT for surveillance in this high-risk population are...

journal_title：Radiology

authors： Bahl M,Mercaldo S,McCarthy AM,Lehman CD

更新日期：2021-02-01 00:00:00

abstract：PURPOSE:To (a) demonstrate an image-processing method that can automatically measure the power Doppler signal in a three-dimensional ( 3D three-dimensional ) ultrasonographic (US) volume by using the location of organs within the image and (b) compare 3D three-dimensional fractional moving blood volume ( FMBV fractiona...

journal_title：Radiology

authors： Stevenson GN,Collins SL,Welsh AW,Impey LW,Noble JA

更新日期：2015-01-01 00:00:00

abstract：PURPOSE:To (a) determine the diagnostic performance of 64-section multidetector computed tomography (CT) trajectography for penetrating diaphragmatic injury (PDI), (b) determine the diagnostic performance of classic signs of diaphragmatic injury at 64-section multidetector CT, and (c) compare the performance of these s...

journal_title：Radiology

authors： Dreizin D,Borja MJ,Danton GH,Kadakia K,Caban K,Rivas LA,Munera F

更新日期：2013-09-01 00:00:00