US-guided core biopsy of the breast with a coaxial system.

abstract：PURPOSE:To evaluate the diagnostic performance of coronary computed tomographic (CT) angiography for the diagnosis of mitral valve prolapse (MVP). MATERIALS AND METHODS:The retrospective case-controlled multicenter study protocol was approved by the institutional review boards. The U.S. part of the study was HIPAA com...

journal_title：Radiology

authors： Feuchtner GM,Alkadhi H,Karlo C,Sarwar A,Meier A,Dichtl W,Leschka S,Blankstein R,Gruenenfelder J,Stolzmann P,Cury RC

更新日期：2010-02-01 00:00:00

abstract：PURPOSE:To evaluate initial radiologic findings of symptomatic intracranial vertebrobasilar dissections (VBDs) as well as the results at follow-up imaging of dissections that are conservatively managed. MATERIALS AND METHODS:The respective institutional review boards approved this retrospective study and waived the ne...

journal_title：Radiology

authors： Ahn SS,Kim BM,Suh SH,Kim DJ,Kim DI,Shin YS,Ha SY,Kwon YS

更新日期：2012-07-01 00:00:00

abstract：:Two patients with pneumothorax had ventilation-perfusion studies to rule out the possibility of pulmonary embolism; the presence of air in the pleural space was not known to the authors when the study was analyzed. A typical ventilatory pattern characterized by small volume difference at total lung capacity followed b...

journal_title：Radiology

authors： Dhekne RD,Burdine JA

更新日期：1978-10-01 00:00:00

abstract：PURPOSE:To determine the ability of ultrasonography (US)-guided spectroscopic photoacoustic (sPA) imaging to depict changes in blood oxygen saturation (SO2) in metastatic lymph nodes of a mouse model of oral cancer. MATERIALS AND METHODS:All studies were performed by following protocols approved by the institutional a...

journal_title：Radiology

authors： Luke GP,Emelianov SY

更新日期：2015-11-01 00:00:00

abstract：PURPOSE:To determine if volumetric changes of diffusion-weighted and contrast material-enhanced magnetic resonance (MR) imaging can help assess early tumor response to intraarterial therapy (IAT) in neuroendocrine liver metastasis (NELM). MATERIALS AND METHODS:This retrospective single-center comprehensive imaging ana...

journal_title：Radiology

authors： Gowdra Halappa V,Corona-Villalobos CP,Bonekamp S,Li Z,Reyes D,Cosgrove D,Pawlik TM,Diaz LA,Bhagat N,Eng J,Geschwind JF,Kamel IR

更新日期：2013-02-01 00:00:00

abstract：PURPOSE:To assess the prevalence and degree of lumbosacral transitional vertebrae (LSTV) in the Osteoarthritis Initiative (OAI) cohort, to assess whether LSTV correlates with low back pain (LBP) and buttock pain, and to assess the reproducibility of grading LSTV. MATERIALS & METHODS:Institutional review board approval...

journal_title：Radiology

authors： Nardo L,Alizai H,Virayavanich W,Liu F,Hernandez A,Lynch JA,Nevitt MC,McCulloch CE,Lane NE,Link TM

更新日期：2012-11-01 00:00:00

abstract：:This case series describes the radiologic appearances of gynecomastoid hyperplasia of the breast in our experience. The clinical histories, breast images, and histopathologic findings in six women were reviewed. At mammography, there was no abnormality in two women, an enlarging asymmetric density in three women, and ...

journal_title：Radiology

authors： Selland DL,Korbin CD,Lester SC,Lerner MH,Gulizia JA,Kaelin CM,Meyer JE

更新日期：2000-02-01 00:00:00

abstract：:Twenty-two normal volunteers and 32 patients with either benign prostatic hypertrophy or prostatic carcinoma were examined by magnetic resonance imaging (MRI). The images were of high quality and clearly demonstrated the prostate gland and the surrounding anatomy but were of limited value in differentiating between be...

journal_title：Radiology

authors： Poon PY,McCallum RW,Henkelman MM,Bronskill MJ,Sutcliffe SB,Jewett MA,Rider WD,Bruce AW

更新日期：1985-01-01 00:00:00

abstract：:Background In the absence of randomized studies, it has been controversial whether the likelihood of acute kidney injury (AKI) differs between intravenous and intra-arterial contrast agent administration. Purpose To compare intravenous versus intra-arterial contrast agent administration in relationship to AKI and anal...

journal_title：Radiology

authors： Schönenberger E,Martus P,Bosserdt M,Zimmermann E,Tauber R,Laule M,Dewey M

更新日期：2019-09-01 00:00:00

abstract：PURPOSE:To describe observations of adenohypophysitis on magnetic resonance (MR) images. MATERIALS AND METHODS:Clinical, enhanced MR imaging, surgical, and histologic findings were retrospectively studied in four female patients and one male patient with adenohypophysitis who presented with headaches, pituitary insuff...

journal_title：Radiology

authors： Ahmadi J,Meyers GS,Segall HD,Sharma OP,Hinton DR

更新日期：1995-04-01 00:00:00

abstract：:Purpose To determine whether fructose 1,6-bisphosphatase 1 (FBP1) expression is associated with fluorine 18 (18F) fluorodeoxyglucose (FDG) accumulation in patients with hepatocellular carcinoma (HCC) and to investigate how FBP1 expression and 18F FDG uptake are related to tumor differentiation grade and metabolism and...

journal_title：Radiology

authors： Chen R,Li J,Zhou X,Liu J,Huang G

更新日期：2017-09-01 00:00:00

abstract：:A new technique for embolization with compressed Ivalon plugs is described. Fourteen arteries--six renal, three splenic, two pulmonary, one left gastric, and two abdominal aortas--were occluded in six dogs. In one case of renal artery embolization, three plugs were used, and in one case of abdominal aorta embolization...

journal_title：Radiology

authors： Zollikofer C,Castaneda-Zuniga WR,Galliani C,Rysavy JA,Formanek A,Amplatz K

更新日期：1980-09-01 00:00:00

abstract：PURPOSE:To determine if magnetic resonance (MR) imaging can help determine the therapeutic approach in women with breast cancer. MATERIALS AND METHODS:Preoperative contrast-enhanced MR imaging of the breast was performed in 463 patients with probably benign lesions (n = 63), suspicious lesions (n = 230), or lesions hi...

journal_title：Radiology

authors： Fischer U,Kopka L,Grabbe E

更新日期：1999-12-01 00:00:00

abstract：:We describe a patient who had cryptosporidiosis and cytomegalovirus infection of the gastric antrum that was initially detected on computed tomography (CT) scans. CT may be useful in the evaluation of immunocompromised patients with diarrheal illness, as well as in the assessment of the gastrointestinal tract. ...

journal_title：Radiology

authors： Soulen MC,Fishman EK,Scatarige JC,Hutchins D,Zerhouni EA

更新日期：1986-06-01 00:00:00

abstract：PURPOSE:To investigate the utility of a free-breathing ultrashort echo time (UTE) sequence for the evaluation of small pulmonary nodules in oncology patients by using a hybrid positron emission tomography (PET)/magnetic resonance (MR) imaging system and to compare the nodule detection rate between UTE and a conventiona...

journal_title：Radiology

authors： Burris NS,Johnson KM,Larson PE,Hope MD,Nagle SK,Behr SC,Hope TA

更新日期：2016-01-01 00:00:00

abstract：:Twenty patients with multiple or recurrent superficial head and facial cancer were treated with low-megavoltage electron-beam therapy, using a readily adaptable polystyrene shield assembly with interchangeable collimators. Patient set-up times were reduced, treatment was simplified, and flexibility of therapy was achi...

journal_title：Radiology

authors： Johnson TS,Garciga CE,Feldman ME,Holcomb MH

更新日期：1975-06-01 00:00:00

abstract：PURPOSE:To classify lesions initially considered nonmalignant at large-needle core biopsy that were subsequently surgically excised or sampled at repeat biopsy. MATERIALS AND METHODS:From August 1, 1991, to December 31, 1996, 1,032 breast abnormalities (214 malignant and 818 nonmalignant lesions) were sampled at large...

journal_title：Radiology

authors： Meyer JE,Smith DN,Lester SC,DiPiro PJ,Denison CM,Harvey SC,Christian RL,Richardson A,Ko WD

更新日期：1998-03-01 00:00:00

abstract：:In a patient with choledocholithiasis, a duodenal diverticulum precluded endoscopic retrograde bile duct cannulation. A transhepatic catheter was used to opacify the bile ducts and to guide the endoscopic sphincterotome into the major duodenal papilla. Because limited sphincterotomy did not allow extraction or spontan...

journal_title：Radiology

authors： Becker CD,Fache JS,Gibney RG,Scudamore CH,Burhenne HJ

更新日期：1987-11-01 00:00:00

abstract：:A case of methotrexate-induced brain damage is presented. Computed tomography (CT) demonstrated a high-density mass lesion with a low-density area in the white matter which pathologically represented a large area of acute necrotizing cerebritis. CT appearance was indistinguishable from brain abscess. ...

journal_title：Radiology

authors： Bjorgen JE,Gold LH

更新日期：1977-02-01 00:00:00

abstract：:Interstitial lymphangiography performed with intradermal injection of a new nonionic dimeric contrast agent was used to examine 34 normal lower extremities and 35 lower extremities with proved lymphedema. An infusion pump was used to inject 2 mL of the contrast agent into the intradermal interdigital space at a rate o...

journal_title：Radiology

authors： Weissleder H,Weissleder R

更新日期：1989-02-01 00:00:00

abstract：PURPOSE:To characterize the effect of low-frequency contrast material-enhanced ultrasound on the vascular endothelium and to determine the parameters and techniques required to deliver a therapeutic agent by using the chorioallantoic membrane (CAM) model. MATERIALS AND METHODS:All in vivo animal procedures were conduc...

journal_title：Radiology

authors： Stieger SM,Caskey CF,Adamson RH,Qin S,Curry FR,Wisner ER,Ferrara KW

更新日期：2007-04-01 00:00:00

abstract：:Background MRI with fluorine 19 (19F) probes has shown an ability to track immune cell activity with a specific, stable, and quantitative signal. In addition, the chemical shift differences of selected 19F probes make dual-probe imaging possible. To improve 19F MRI sensitivity for dual-probe imaging, optimal fluorine ...

journal_title：Radiology

authors： Chirizzi C,De Battista D,Tirotta I,Metrangolo P,Comi G,Bombelli FB,Chaabane L

更新日期：2019-05-01 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：PURPOSE:To assess the optimal timing for coronary magnetic resonance (MR) angiography in children with congenital heart disease by using dual cardiac phase whole-heart MR imaging. MATERIALS AND METHODS:The local institutional review board approved this study, and informed consent was obtained from parents or guardians...

journal_title：Radiology

authors： Uribe S,Hussain T,Valverde I,Tejos C,Irarrazaval P,Fava M,Beerbaum P,Botnar RM,Razavi R,Schaeffter T,Greil GF

更新日期：2011-07-01 00:00:00

abstract：:In his overview of the history and theoretical developments of radiotherapy, the author stresses the following concepts: (a) sensitivity is not linked to histology but to the volume of cancer; (b) the dose must not necessarily be homogeneous in the target volume but related to varying volumes of cancer; (c) the fact t...

journal_title：Radiology

authors： Fletcher GH

更新日期：1978-04-01 00:00:00

abstract：:Acquisition and measurement of left ventricular (LV) volumes with a three-dimensional data set of cine magnetic resonance (MR) images from apex to base is a time-consuming process. Results of a study with 10 healthy volunteers and 10 patients with LV hypertrophy were prospectively evaluated. The heart was shown in the...

journal_title：Radiology

authors： Dulce MC,Mostbeck GH,Friese KK,Caputo GR,Higgins CB

更新日期：1993-08-01 00:00:00

abstract：:Indium-111 (In-111) leukocyte scintigraphy was performed in two patients with postsurgical pseudoaneurysms as part of preoperative evaluation for evidence of graft infection. Despite positive In-111 uptake by the pseudoaneurysms, surgical and pathologic examinations failed to reveal any evidence of infection. The most...

journal_title：Radiology

authors： Gilbert BR,Cerqueira MD,Vea HW,Nelp WB

更新日期：1986-03-01 00:00:00

abstract：PURPOSE:To assess the frequency of splenic vein thrombosis (SVT) after splenectomy and its consequences on patient treatment. MATERIALS AND METHODS:A group of 183 consecutive patients who underwent splenectomy were evaluated. Of these patients, 119 underwent postoperative ultrasound (US) or computed tomography. RESUL...

journal_title：Radiology

authors： Petit P,Bret PM,Atri M,Hreno A,Casola G,Gianfelice D

更新日期：1994-01-01 00:00:00

abstract：:Enlarged gastroesophageal veins were successfully obliterated in 41 patients using embolization with modified autogenous clots and/or Gelfoam, balloon occlusion, iatrogenic perivenous hematoma, sclerosing agents (Sotradecol and Keflin), or a combination of these methods. Thirteen patients were actively bleeding when s...

journal_title：Radiology

authors： Pereiras R,Viamonte M Jr,Russell E,LePage J,White P,Hutson D

更新日期：1977-08-01 00:00:00

abstract：:Pilomatrixomas (calcifying epitheliomas of Malherbe) are benign soft-tissue tumors that occur in the dermis or subcutaneous tissues; about 40% are found in children under 10 years of age. More than 80% have microscopic calcification and/or ossification. Although the incidence of radiographically visible calcification ...

journal_title：Radiology

authors： Haller JO,Kassner G,Ostrowitz A,Kottmeler K,Perfschuk LP

更新日期：1977-04-01 00:00:00