abstract：RATIONALE AND OBJECTIVES:To systematically review and meta-analyze published data about the diagnostic accuracy of fluorine-18-fluorodeoxyglucose ((18)F-FDG) positron emission tomography (PET) and PET/computed tomography (CT) in the differential diagnosis between malignant and benign pleural lesions. METHODS AND MATER...

journal_title：Academic radiology

authors： Treglia G,Sadeghi R,Annunziata S,Lococo F,Cafarotti S,Bertagna F,Prior JO,Ceriani L,Giovanella L

更新日期：2014-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To test the ability of quantitative measures from preoperative dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) to predict, independently and/or with the Katz pathologic nomogram, which breast cancer patients with a positive sentinel lymph node biopsy will have four or more positi...

journal_title：Academic radiology

authors： Loiselle C,Eby PR,Kim JN,Calhoun KE,Allison KH,Gadi VK,Peacock S,Storer BE,Mankoff DA,Partridge SC,Lehman CD

更新日期：2014-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To investigate the relationship between apparent diffusion coefficient (ADC) values and the Ki-67 staining index (Ki-67 SI), a tumor proliferation marker, in prostate cancer (PCa). MATERIALS AND METHODS:Forty-three patients with PCa and thirty-six patients with benign prostatic hyperplasia (BP...

journal_title：Academic radiology

authors： Zhang J,Jing H,Han X,Huang Z,Cao Z,Liu Q

更新日期：2013-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To investigate the effect of a newly developed computer-aided diagnosis (CAD) system on reader interpretation of breast lesions in automated three-dimensional (3D) breast ultrasound. MATERIALS AND METHODS:A CAD system was developed to differentiate malignant lesions from benign lesions includi...

journal_title：Academic radiology

authors： Tan T,Platel B,Twellmann T,van Schie G,Mus R,Grivegnée A,Mann RM,Karssemeijer N

更新日期：2013-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To identify magnetic resonance (MR) imaging characteristics allowing specific preoperative discrimination between colloid cysts (CCs) of the sellar region and third ventricle (CC3rdv) versus Rathke's cleft cysts (RCCs). MATERIALS AND METHODS:MR imaging data of 38 patients with histologically p...

journal_title：Academic radiology

authors： Bender B,Honegger JB,Beschorner R,Ernemann U,Horger M

更新日期：2013-11-01 00:00:00

abstract：:The three missions of academic radiology compete with one another for time and funding. Revenue for the clinical mission often subsidizes education and research. Given the internal and external drivers/pressures on health care and, more particularly, on academic health centers, the current model is unsustainable. Tren...

journal_title：Academic radiology

authors： Rawson JV,Baron RL

更新日期：2013-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Ultrasonography (US) is becoming popular for the assessment of adiposity, but no one has studied this tool in the light of its potential limitations. Our purpose was to investigate the impact of technical conditions on the evaluation of abdominal fat by US. MATERIALS AND METHODS:Forty-five hea...

journal_title：Academic radiology

authors： Bazzocchi A,Filonzi G,Ponti F,Amadori M,Sassi C,Salizzoni E,Albisinni U,Battista G

更新日期：2013-10-01 00:00:00

abstract：:Health services research is a field of research that crosses many disciplines. It represents a novel way to address the Accreditation Council for Graduate Medical Education requirements for scholarly activity of residents and faculty in academic radiology departments. In addition to meeting training requirements, it o...

journal_title：Academic radiology

authors： Heilbrun ME,Rawson JV,Shah M

更新日期：2013-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Efforts to decrease radiation exposure during pediatric high-resolution thoracic computed tomography (HRCT), while maintaining diagnostic image quality, are imperative. The objective of this investigation was to compare organ doses and scan performance for pediatric HRCT using volume, helical, ...

journal_title：Academic radiology

authors： Podberesky DJ,Angel E,Yoshizumi TT,Toncheva G,Salisbury SR,Brody AS,Alsip C,Barelli A,Egelhoff JC,Anderson-Evans C,Nguyen GB,Dow D,Frush DP

更新日期：2013-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of this study was to determine textural features that show a significant difference between carcinomatous tissue and the bladder wall on magnetic resonance imaging (MRI) and explore the feasibility of using them to differentiate malignancy from the normal bladder wall as an initial ...

journal_title：Academic radiology

authors： Shi Z,Yang Z,Zhang G,Cui G,Xiong X,Liang Z,Lu H

更新日期：2013-08-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To identify the presence and extent of artifacts in prostate diffusion-weighted magnetic resonance imaging (DW-MRI) and discuss tradeoffs between imaging at 1.5 T (1.5 T) and 3.0 T (3.0 T). In addition, we aim to provide quantitative estimates of signal-to-noise ratios (SNRs) at both field stre...

journal_title：Academic radiology

authors： Mazaheri Y,Vargas HA,Nyman G,Akin O,Hricak H

更新日期：2013-08-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study is to assess the usefulness of computer-aided three-dimensional (3D) measurement of volume and computed tomography (CT) attenuation values of nodes for diagnosing nodal metastases of lung cancer. MATERIALS AND METHODS:We measured three diameters, their ratios, volume, and...

journal_title：Academic radiology

authors： Takahashi Y,Takashima S,Hakucho T,Miyake C,Morimoto D,Jiang BH,Numasaki H,Tomita Y,Nakanishi K,Higashiyama M

更新日期：2013-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Test sets for assessing and improving radiologic image interpretation have been used for decades and typically evaluate performance relative to gold standard interpretations by experts. To assess test sets for screening mammography, a gold standard for whether a woman should be recalled for add...

journal_title：Academic radiology

authors： Onega T,Anderson ML,Miglioretti DL,Buist DS,Geller B,Bogart A,Smith RA,Sickles EA,Monsees B,Bassett L,Carney PA,Kerlikowske K,Yankaskas BC

更新日期：2013-06-01 00:00:00

abstract：PURPOSE:To determine whether coronary artery anomalies can be detected on noncontrast computed tomography (CT) coronary artery calcium scoring (CCS) studies. MATERIALS AND METHODS:A total of 126 patients (mean age 62 years; 35 women) underwent noncontrast CCS and contrast enhanced coronary CT angiography (cCTA). Thirt...

journal_title：Academic radiology

authors： Maddux PT,Schoepf UJ,Zwerner PL,Krazinski AW,Berghaus TM,Morris PB,Thilo C

更新日期：2013-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:(23)Na magnetic resonance imaging is a promising technique for the noninvasive imaging of renal function. Past investigations of the renal corticomedullary [(23)Na] gradient have relied on imaging only in the coronal plane and on cumbersome calculations of [(23)Na], which require the use of ext...

journal_title：Academic radiology

authors： Haneder S,Konstandin S,Morelli JN,Schad LR,Schoenberg SO,Michaely HJ

更新日期：2013-04-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Despite recent advances in the treatment of high-grade gliomas, overall survival (OS) remains poor, which underlines the importance of searching for and determining prognostic imaging biomarkers. The purpose of our retrospective study was to correlate patient survival with relative cerebral blo...

journal_title：Academic radiology

authors： Jain R,Narang J,Griffith B,Bagher-Ebadian H,Scarpace L,Mikkelsen T,Littenberg B,Schultz LR

更新日期：2013-04-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of this study was to identify radiology topics considered essential by residency program directors who will be working with our graduates. Secondary goals were to survey their satisfaction with incoming residents' radiology knowledge, inquire if radiology training was provided in th...

journal_title：Academic radiology

authors： Kondo KL,Swerdlow M

更新日期：2013-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To better prepare radiology residents for providing care within the context of the larger health care system, this study evaluated the feasibility and impact of a curriculum to enhance radiology residents' understanding and ability to apply concepts from medical management and industrial and op...

journal_title：Academic radiology

authors： Brandon CJ,Mullan PB

更新日期：2013-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Inguinal lymph nodes can be the first or the only clinical signs of tumor metastases. The aim of the study was to evaluate the role of contrast-enhanced high-resolution magnetic resonance (MR) lymphangiography in diagnosis of inguinal lymph node metastases. MATERIALS AND METHODS:The study enro...

journal_title：Academic radiology

authors： Liu N,Yan Z,Lu Q,Wang C

更新日期：2013-02-01 00:00:00

abstract：:The authors describe the establishment of a radiology residency research track at their institution. Based on growing biomedical technology needs and the tremendous increase in imaging-based research, the importance of training and cultivating future clinical investigators continues to grow. Within the framework of a ...

journal_title：Academic radiology

authors： Costello JR,Mullins ME,Votaw JR,Karolyi DR,Kalb B,Gonzales P,Fornwalt B,Meltzer CC

更新日期：2013-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The objective of our study was to determine if the T1-weighted magnetic resonance imaging (MRI) features associated with diabetic pedal osteomyelitis are present in histopathologically proven cases of non-pedal osteomyelitis. MATERIALS AND METHODS:Seventy-five patients with a histopathological...

journal_title：Academic radiology

authors： Howe BM,Wenger DE,Mandrekar J,Collins MS

更新日期：2013-01-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:A novel ventilation imaging method based on four-dimensional (4D) computed tomography (CT) has been applied to the field of radiation oncology. Understanding its reproducibility is a prerequisite for clinical applications. The purpose of this study was to quantify the reproducibility of 4D CT v...

journal_title：Academic radiology

authors： Yamamoto T,Kabus S,von Berg J,Lorenz C,Chung MP,Hong JC,Loo BW Jr,Keall PJ

更新日期：2012-12-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Multireader imaging trials often use a factorial design, in which study patients undergo testing with all imaging modalities and readers interpret the results of all tests for all patients. A drawback of this design is the large number of interpretations required of each reader. Split-plot desi...

journal_title：Academic radiology

authors： Obuchowski NA,Gallas BD,Hillis SL

更新日期：2012-12-01 00:00:00

abstract：:We discuss the benefits of maintaining an active, rigorous, and highly structured grand rounds (GR) program in an academic radiology department. These benefits include education for faculty (continuing medical education), fellows, and residents and a venue for building collaboration and camaraderie within the departme...

journal_title：Academic radiology

authors： Tridandapani S,Mullins ME,Meltzer CC

更新日期：2012-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To establish the range of normal for quantitative computed tomography (CT)-based measures of lung structure and function, we seek to develop methods for matching pulmonary structures across individuals and establishing a normative human lung atlas. MATERIALS AND METHODS:In our previous work, w...

journal_title：Academic radiology

authors： Li B,Christensen GE,Hoffman EA,McLennan G,Reinhardt JM

更新日期：2012-11-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study was to evaluate the predictive value of intraluminal air for appendiceal necrosis and/or perforation when not apparent on imaging. Additional factors of intraluminal appendicoliths, age, and gender were also assessed. MATERIALS AND METHODS:Patients with pathologically pro...

journal_title：Academic radiology

authors： Azok JT,Kim DH,Munoz Del Rio A,Sonavane SK,Bhalla S,Anaya-Baez V,Menias CO

更新日期：2012-10-01 00:00:00

abstract：RATIONAL AND OBJECTIVES:Computer-aided detection (CAD) systems are intended to improve performance. This study investigates how CAD might actually interfere with a visual search task. This is a laboratory study with implications for clinical use of CAD. METHODS:Forty-seven naive observers in two studies were asked to ...

journal_title：Academic radiology

authors： Drew T,Cunningham C,Wolfe JM

更新日期：2012-10-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:A number of studies have reported decreases in fractional anistropy (FA) in amyotrophic lateral sclerosis using diffusion tensor imaging (DTI). The purpose of this study was to perform a meta-analysis in order to estimate the diagnostic test accuracy measures of DTI for the diagnosis of amyotro...

journal_title：Academic radiology

authors： Foerster BR,Dwamena BA,Petrou M,Carlos RC,Callaghan BC,Pomper MG

更新日期：2012-09-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Quantitative measurement provides essential information about disease progression and treatment response in patients with glioblastoma multiforme (GBM). The goal of this article is to present and validate a software pipeline for semi-automatic GBM segmentation, called AFINITI (Assisted Follow-u...

journal_title：Academic radiology

authors： Zhu Y,Young GS,Xue Z,Huang RY,You H,Setayesh K,Hatabu H,Cao F,Wong ST

更新日期：2012-08-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study was to compare the performance of various image-based metrics computed from thoracic high-resolution computed tomography (HRCT) with data from pulmonary function testing (PFT) in characterizing interstitial lung disease (ILD) and chronic obstructive pulmonary disease (COPD...

journal_title：Academic radiology

authors： Song G,Mortani Barbosa E Jr,Tustison N,Gefter WB,Kreider M,Gee JC,Torigian DA

更新日期：2012-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Morphologic changes of the human brain during healthy aging provide useful reference knowledge for age-related brain disorders. The aim of this study was to explore age-related global and regional morphological changes of healthy adult brains. MATERIALS AND METHODS:T1-weighted magnetic resonan...

journal_title：Academic radiology

authors： Long X,Liao W,Jiang C,Liang D,Qiu B,Zhang L

更新日期：2012-07-01 00:00:00

abstract：PURPOSE:Coronary computed tomographic angiography (CTA) is a valuable tool for assessing coronary artery disease (CAD). Although statin use is widely recommended for persons with diabetes older than age 40, little is known about the presence and severity of CAD in younger patients with diabetes mellitus (DM). We evalua...

journal_title：Academic radiology

authors： Madaj PM,Budoff MJ,Li D,Tayek JA,Karlsberg RP,Karpman HL

更新日期：2012-07-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study was to identify clinically useful tumor/normal brain apparent diffusion coefficient (ADC) ratios for distinguishing common pediatric cerebellar tumors. MATERIALS AND METHODS:Review of medical records revealed 79 patients with cerebellar tumors who underwent preoperative m...

journal_title：Academic radiology

authors： Gimi B,Cederberg K,Derinkuyu B,Gargan L,Koral KM,Bowers DC,Koral K

更新日期：2012-07-01 00:00:00

abstract：PURPOSE:This investigation is part of a prospective National Institutes of Health-funded study evaluating three different methods for estimating the optimal length for placement of a new nasogastric (NG) tube. Abdomen radiographs were required to determine the location of the tube tip. Our objective was to analyze diff...

journal_title：Academic radiology

authors： Cohen MD,Ellett M

更新日期：2012-06-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To prospectively analyze the correlation between parameters of liver perfusion from technetium99m-macroaggregates of albumin (99mTc-MAA) single photon emission computed tomography (SPECT) with those obtained from dynamic CT perfusion in patients with primary or metastatic liver malignancy. MAT...

journal_title：Academic radiology

authors： Reiner CS,Goetti R,Burger IA,Fischer MA,Frauenfelder T,Knuth A,Pfammatter T,Schaefer N,Alkadhi H

更新日期：2012-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Diffusion tensor tractography offers a unique perspective of white matter anatomy, but proper delineation of white matter tracts of interest generally requires the active involvement of an expert neuroanatomist. The investigators describe the implementation of an automated tractographic method ...

journal_title：Academic radiology

authors： Nucifora PG,Wu X,Melhem ER,Gur RE,Gur RC,Verma R

更新日期：2012-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:To evaluate cone beam computed tomography (CBCT) for monitoring of tibial bone defect healing in comparison to histopathological findings. MATERIALS AND METHODS:Circumscribed tibial bone defects were created in 16 mini-pigs and imaging of the tibia was performed on day 42 using a modern CBCT s...

journal_title：Academic radiology

authors： Kröpil P,Hakimi AR,Jungbluth P,Riegger C,Rubbert C,Miese F,Lanzman RS,Wild M,Schek A,Scherer A,Windolf J,Antoch G,Becker J,Hakimi M

更新日期：2012-03-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:Positron emission tomography (PET) is used to evaluate response to therapy with increasing interest in having PET provide endpoints for clinical trials. Here we demonstrate impacts of PET measurement error and choice of quantification method on clinical trial design. MATERIALS AND METHODS:Samp...

journal_title：Academic radiology

authors： Doot RK,Kurland BF,Kinahan PE,Mankoff DA

更新日期：2012-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The aim of this study was to investigate the effect of perfusion computed tomography (PCT) with acetazolamide (ACZ) challenge and compare it to 10% carbon dioxide (CO(2)) challenge in rat C6 glioma. MATERIALS AND METHODS:PCT was performed on 32 rats, including 20 with orthotopically implanted ...

journal_title：Academic radiology

authors： Lu N,Di Y,Feng XY,Qiang JW,Zhang JW,Wang YG,Guo QY

更新日期：2012-02-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The increasing use of computed tomography (CT) has been accompanied by rising concerns over potential radiation-related health risks, especially cancer, and a need to minimize such risks. MATERIALS AND METHODS:We conducted 2186 low-dose helical chest CT scans among 1235 nuclear weapons workers...

journal_title：Academic radiology

authors： Manowitz A,Sedlar M,Griffon M,Miller A,Miller J,Markowitz S

更新日期：2012-01-01 00:00:00