Radiology -- Table of Contents (239 [3])

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SCIENCE TO PRACTICE:

Eduard E. de Lange: Science to Practice: What Is New about Detecting Emphysema?
Through the use of diffusion-weighted ³He MR imaging, Fain et al in this issue of Radiology demonstrated the potential for detection of early emphysema in the lungs of healthy smokers.
Radiology 2006 239: 619-620 (DOI: 10.1148/radiol.2393060147); [Figures Only] [Full Text] [PDF]

COMMUNICATIONS:

Letters to the Editor:

Jules H. Sumkin, David Gur, Robyn L. Birdwell, and Debra M. Ikeda: Computer-aided Detection with Screening Mammography: Improving Performance or Simply Shifting the Operating Point?
Radiology 2006 239: 916-918 (DOI: 10.1148/radiol.2393051392); [Full Text] [PDF]

Mark O. Downes, Marc Heinrich, and Michael Uder: In Vitro Study of Various Iodinated Contrast Media
Radiology 2006 239: 918-921 (DOI: 10.1148/radiol.2393051410); [Full Text] [PDF]

REVIEWS AND COMMENTARY:

Editorials:

Gary J. Becker: Financial Relationships with Industry and Device Research Involving Non–Food and Drug Administration–approved Use: A Perspective
Brown and colleagues have opened a new avenue of investigation into factors influencing the conduct and outcomes of radiology research that involves investigator financial ties with industry.
Radiology 2006 239: 626-628 (DOI: 10.1148/radiol.2393051800); [Full Text] [PDF]

James M. Nyce, Jennifer S. Steele, and Richard B. Gunderman: Bridging the Knowledge Divide in Radiology Education
We need to find means of making experts' basic assumptions and routine thought processes explicit so that students can see more clearly what a radiologist does and thus do a better job of learning it.
Radiology 2006 239: 629-631 (DOI: 10.1148/radiol.2393050630); [Full Text] [PDF]

Review for Residents:

Anne G. Osborn and Michael T. Preece: Intracranial Cysts: Radiologic-Pathologic Correlation and Imaging Approach
The combination of a location-based algorithm with specific imaging findings, such as presence or absence of calcification, enhancement, MR signal intensity at different sequences, and presence or absence of restriction on diffusion-weighted images, permits a narrowed differential diagnosis when an intracranial cyst is identified on imaging studies.
Radiology 2006 239: 650-664 (DOI: 10.1148/radiol.2393050823); [Abstract] [Figures Only] [Full Text] [PDF]

Special Reviews:

James M. Provenzale, Srinivasan Mukundan, and Daniel P. Barboriak: Diffusion-weighted and Perfusion MR Imaging for Brain Tumor Characterization and Assessment of Treatment Response
Perfusion MR imaging and diffusion-weighted MR imaging provide insights into tumor behavior that are not available with conventional MR imaging.
Radiology 2006 239: 632-649 (DOI: 10.1148/radiol.2393042031); [Abstract] [Figures Only] [Full Text] [PDF]

Perspectives:

James H. Thrall: Education and Cultural Development of the Health Care Work Force Part I. The Health Professions
The Institute of Medicine and Accreditation Council for Graduate Medical Education have defined sets of values and behaviors that are probably more important as guiding principles for achieving higher quality and safer care in the long run than any specific fact-based educational curriculum could achieve.
Radiology 2006 239: 621-625 (DOI: 10.1148/radiol.2393060291); [Full Text] [PDF]

Book Reviews:

: Endovascular Intervention: Current Controversies
Radiology 2006 239: 665 (DOI: 10.1148/radiol.2393062559); [Full Text] [PDF]

ORIGINAL RESEARCH:

Breast Imaging:

Christiane K. Kuhl, Petra Jost, Nuschin Morakkabati, Oliver Zivanovic, Hans H. Schild, and Jürgen Gieseke: Contrast-enhanced MR Imaging of the Breast at 3.0 and 1.5 T in the Same Patients: Initial Experience
Our data suggest that MR imaging of the breast at 3.0 T is nearing readiness for clinical use.
Radiology 2006 239: 666-676. Published online before print March 20 2006, 10.1148/radiol.2392050509 [Abstract] [Figures Only] [Full Text] [PDF]

Ruth M. L. Warren, Deborah Thompson, Linda J. Pointon, Rebecca Hoff, Fiona J. Gilbert, Anwar R. Padhani, Douglas F. Easton, Sunil R. Lakhani, Martin O. Leach Collaborators in the United Kingdom Medical Research Council Magnetic Resonance Imaging in Breast Screening (MARIBS) Study: Evaluation of a Prospective Scoring System Designed for a Multicenter Breast MR Imaging Screening Study
Our study, in which we examined the different morphologic and dynamic uptake variables that were recorded as part of the original scoring system used in the Magnetic Resonance Imaging in Breast Screening Study, revealed the original scoring system to be effective and enabled us to devise a simplified scoring system that has similar or slightly improved diagnostic usefulness.
Radiology 2006 239: 677-685 (DOI: 10.1148/radiol.2393042007); [Abstract] [Figures Only] [Full Text] [PDF] [Appendices]

Lia Bartella, Elizabeth A. Morris, D. David Dershaw, Laura Liberman, Sunitha B. Thakur, Chaya Moskowitz, Jennifer Guido, and Wei Huang: Proton MR Spectroscopy with Choline Peak as Malignancy Marker Improves Positive Predictive Value for Breast Cancer Diagnosis: Preliminary Study
MR spectroscopy is a promising technique that may decrease the number of benign biopsy results generated with breast MR imaging in the clinical setting.
Radiology 2006 239: 686-692. Published online before print April 7 2006, 10.1148/radiol.2393051046 [Abstract] [Figures Only] [Full Text] [PDF]

Wendie A. Berg, Jeffrey D. Blume, Jean B. Cormack, Ellen B. Mendelson, and Ernest L. Madsen: Lesion Detection and Characterization in a Breast US Phantom: Results of the ACRIN 6666 Investigators
Ninety-seven point five percent of parenchymal lesions 5–10 mm in diameter were detected in a breast US phantom; lesions smaller than 5 mm were less consistently identified and were not accurately characterized by experienced investigators.
Radiology 2006 239: 693-702. Published online before print April 26 2006, 10.1148/radiol.2393051069 [Abstract] [Figures Only] [Full Text] [PDF]

Cardiac Imaging:

Marc Dewey, Michael Laule, Matthias Taupitz, Nicola Kaufels, Bernd Hamm, and Dietmar Kivelitz: Myocardial Viability: Assessment with Three-dimensional MR Imaging in Pigs and Patients
The three-dimensional MR imaging sequence showed good correlation and agreement with the standard two-dimensional MR imaging sequence in both the animal and the clinical study and with triphenyltetrazolium chloride staining in the animal study.
Radiology 2006 239: 703-709. Published online before print April 26 2006, 10.1148/radiol.2393050586 [Abstract] [Figures Only] [Full Text] [PDF]

Evidence-based Practice:

Karen K. Lindfors, Michele C. McGahan, C. John Rosenquist, and Gregory S. Hurlock: Computer-aided Detection of Breast Cancer: A Cost-effectiveness Study
If computer-aided detection is added to a mammographic screening program, the marginal cost per year of life saved is $19 058, a 19% increase over the marginal cost per year of life saved for screening alone.
Radiology 2006 239: 710-717. Published online before print March 28 2006, 10.1148/radiol.2392050670 [Abstract] [Figures Only] [Full Text] [PDF]

Experimental Studies:

Harriet J. Paltiel, Leslie A. Kalish, Ricardo A. Susaeta, Ferdinand Frauscher, Patrick L. O'Kane, and Luiz G. Freitas-Filho: Pulse-Inversion US Imaging of Testicular Ischemia: Quantitative and Qualitative Analyses in a Rabbit Model
Quantitative and qualitative pulse-inversion imaging, compared with conventional Doppler US methods, provides a superior assessment of perfusion in acute testicular ischemia.
Radiology 2006 239: 718-729. Published online before print April 26 2006, 10.1148/radiol.2393050210 [Abstract] [Figures Only] [Full Text] [PDF]

Olivier Lucidarme, Yuko Kono, Jacqueline Corbeil, Sang-Hee Choi, Jean-Louis Golmard, Judith Varner, and Robert F. Mattrey: Angiogenesis: Noninvasive Quantitative Assessment with Contrast-enhanced Functional US in Murine Model
Even when an appropriate correlation of time-intensity curves from functional US with the kinetic model chosen exists, the perfusion parameters yielded by this model do not correlate with the current histologic standard used to clinically quantify angiogenesis.
Radiology 2006 239: 730-739 (DOI: 10.1148/radiol.2392040986); [Abstract] [Figures Only] [Full Text] [PDF]

Errol E. Stewart, Xaiogang Chen, Jennifer Hadway, and Ting-Yim Lee: Correlation between Hepatic Tumor Blood Flow and Glucose Utilization in a Rabbit Liver Tumor Model
Our results indicate that functional CT has the potential to enhance the diagnostic ability of combined PET/CT scanners by allowing hepatic blood flow to be measured without the need for a cyclotron or the on-site production of water labeled with oxygen 15, which is the radiotracer frequently used to measure blood flow.
Radiology 2006 239: 740-750. Published online before print April 18 2006, 10.1148/radiol.2393041382 [Abstract] [Figures Only] [Full Text] [PDF]

David K. Yousefzadeh, Matthew B. Ward, and Chester Reft: Internal Barium Shielding to Minimize Fetal Irradiation in Spiral Chest CT: A Phantom Simulation Experiment
The use of oral barium sulfate is safe, effective, and intuitively logical, and it can potentially prevent one to 10 lifetime malignancies per 10000 pregnant patients who undergo chest CT examinations.
Radiology 2006 239: 751-758 (DOI: 10.1148/radiol.2393042198); [Abstract] [Figures Only] [Full Text] [PDF]

Gastrointestinal Imaging:

Stuart A. Taylor, Steve Halligan, Andrew Slater, Vicky Goh, David N. Burling, Mary E. Roddie, Leslie Honeyfield, Justine McQuillan, Hamdan Amin, and Jamshid Dehmeshki: Polyp Detection with CT Colonography: Primary 3D Endoluminal Analysis versus Primary 2D Transverse Analysis with Computer-assisted Reader Software
We found that primary two-dimensional analysis supplemented by computer-assisted reader software is quicker than and as sensitive as the primary three-dimensional fly-through method for polyp detection during CT colonography.
Radiology 2006 239: 759-767. Published online before print March 16 2006, 10.1148/radiol.2392050483 [Abstract] [Figures Only] [Full Text] [PDF]

Rong Shi, Pamela Schraedley-Desmond, Sandy Napel, Eric W. Olcott, R. Brooke Jeffrey, Jr, Judy Yee, Michael E. Zalis, Daniel Margolis, David S. Paik, Anthony J. Sherbondy, Padmavathi Sundaram, and Christopher F. Beaulieu: CT Colonography: Influence of 3D Viewing and Polyp Candidate Features on Interpretation with Computer-aided Detection
We found that the addition of three-dimensional viewing improved reader accuracy in the classification of preidentified polyp candidates and that a subset of candidate features, as well as local colonic characteristics, affected reader accuracy in polyp candidate classification.
Radiology 2006 239: 768-776 (DOI: 10.1148/radiol.2393050418); [Abstract] [Figures Only] [Full Text] [PDF]

Shigeaki Umeoka, Takashi Koyama, Kaori Togashi, Tsuneo Saga, Go Watanabe, Yutaka Shimada, and Masayuki Imamura: Esophageal Cancer: Evaluation with Triple-Phase Dynamic CT—Initial Experience
The results of our study show that the second arterial phase of dynamic CT is the optimal phase for visualization of esophageal cancer.
Radiology 2006 239: 777-783. Published online before print April 18 2006, 10.1148/radiol.2393050222 [Abstract] [Figures Only] [Full Text] [PDF]

Genitourinary Imaging:

Oguz Akin, Evis Sala, Chaya S. Moskowitz, Kentaro Kuroiwa, Nicole M. Ishill, Darko Pucar, Peter T. Scardino, and Hedvig Hricak: Transition Zone Prostate Cancers: Features, Detection, Localization, and Staging at Endorectal MR Imaging
Our findings show that the accuracy of transition zone cancer detection at MR imaging is related to the transition zone cancer volume, with higher accuracy for cancers with larger volumes.
Radiology 2006 239: 784-792. Published online before print March 28 2006, 10.1148/radiol.2392050949 [Abstract] [Figures Only] [Full Text] [PDF]

Wolfgang Huber, Florian Eckel, Michael Hennig, Hilkea Rosenbrock, Annette Wacker, Dieter Saur, Angelika Sennefelder, Romain Hennico, Cordula Schenk, Alexander Meining, Renate Schmelz, Ralph Fritsch, Wolfgang Weiss, Peter Hamar, Uwe Heemann, and Roland M. Schmid: Prophylaxis of Contrast Material–induced Nephropathy in Patients in Intensive Care: Acetylcysteine, Theophylline, or Both? A Randomized Study
For prophylaxis of contrast-induced nephropathy in patients who are admitted to the intensive care unit and who receive 100 mL or more of contrast medium, theophylline is superior to acetylcysteine.
Radiology 2006 239: 793-804 (DOI: 10.1148/radiol.2393041456); [Abstract] [Figures Only] [Full Text] [PDF]

Musculoskeletal Imaging:

Jeffrey M. Brody, Hank M. Lin, Michael J. Hulstyn, and Glenn A. Tung: Lateral Meniscus Root Tear and Meniscus Extrusion with Anterior Cruciate Ligament Tear
Lateral meniscus root tears occur with anterior cruciate ligament tears and may be associated with lateral extrusion of the lateral meniscus.
Radiology 2006 239: 805-810 (DOI: 10.1148/radiol.2393050559); [Abstract] [Figures Only] [Full Text] [PDF]

Peter R. Kornaat, Johan L. Bloem, Ruth Y. T. Ceulemans, Naghmeh Riyazi, Frits R. Rosendaal, Rob G. Nelissen, Wayne O. Carter, Marie-Pierre Hellio Le Graverand, and Margreet Kloppenburg: Osteoarthritis of the Knee: Association between Clinical Features and MR Imaging Findings
Findings in this study indicated that there were only two associations between structural abnormalities found on MR images and clinical features in patients with osteoarthritis of the knee.
Radiology 2006 239: 811-817 (DOI: 10.1148/radiol.2393050253); [Abstract] [Figures Only] [Full Text] [PDF]

Richard Kijowski, Donna G. Blankenbaker, Paul T. Stanton, Jason P. Fine, and Arthur A. De Smet: Radiographic Findings of Osteoarthritis versus Arthroscopic Findings of Articular Cartilage Degeneration in the Tibiofemoral Joint
The results of this study strongly suggest that osteoarthritis of the tibiofemoral joint should be diagnosed on the basis of marginal osteophytes and that the severity of the disease process should be assessed on the basis of joint space narrowing, subchondral sclerosis, and subchondral cysts.
Radiology 2006 239: 818-824. Published online before print April 26 2006, 10.1148/radiol.2393050584 [Abstract] [Full Text] [PDF]

Neuroradiology:

Giuseppe Nicoletti, Francesco Fera, Francesca Condino, William Auteri, Olivier Gallo, Pierfrancesco Pugliese, Gennarina Arabia, Letterio Morgante, Paolo Barone, Mario Zappia, and Aldo Quattrone: MR Imaging of Middle Cerebellar Peduncle Width: Differentiation of Multiple System Atrophy from Parkinson Disease
Our findings indicate that MR imaging can depict middle cerebellar peduncle (MCP) atrophy that occurs in multiple system atrophy (MSA) and suggest that measurement of MCP width may be useful to help distinguish MSA from Parkinson disease.
Radiology 2006 239: 825-830 (DOI: 10.1148/radiol.2393050459); [Abstract] [Figures Only] [Full Text] [PDF]

Sumei Wang, Harish Poptani, John H. Woo, Lisa M. Desiderio, Lauren B. Elman, Leo F. McCluskey, Jaroslaw Krejza, and Elias R. Melhem: Amyotrophic Lateral Sclerosis: Diffusion-Tensor and Chemical Shift MR Imaging at 3.0 T
Diffusion-tensor MR imaging in conjunction with two-dimensional chemical shift MR imaging can be used to identify upper motor neuron involvement and yield diagnostic and prognostic information in patients with amyotrophic lateral sclerosis.
Radiology 2006 239: 831-838. Published online before print April 26 2006, 10.1148/radiol.2393050573 [Abstract] [Figures Only] [Full Text] [PDF]

Pediatric Imaging:

Christophe Boichot, Paul M. Walker, Christine Durand, Marianne Grimaldi, Séverine Chapuis, Jean B. Gouyon, and François Brunotte: Term Neonate Prognoses after Perinatal Asphyxia: Contributions of MR Imaging, MR Spectroscopy, Relaxation Times, and Apparent Diffusion Coefficients
Whatever the potential errors were, the absolute N-acetylaspartate concentration in the basal ganglia was revealed as a powerful prognostic indicator of individual neurologic outcome.
Radiology 2006 239: 839-848. Published online before print April 26 2006, 10.1148/radiol.2393050027 [Abstract] [Figures Only] [Full Text] [PDF]

Special Report:

Stephen D. Brown, Jennifer C. Daly, Leslie A. Kalish, and Samuel A. McDaniel: Financial Disclosures of Scientific Papers Presented at the 2003 RSNA Annual Meeting: Association with Reporting of Non–Food and Drug Administration–approved Uses of Industry Products
We found that abstracts of scientific papers presented at the 2003 Radiological Society of North America Annual Meeting in which authors disclosed financial relationships with a corporate entity whose products were studied were significantly more likely to discuss non–Food and Drug Administration-approved uses of a product than those abstracts without such disclosures.
Radiology 2006 239: 849-855. Published online before print April 26 2006, 10.1148/radiol.2393050744 [Abstract] [Full Text] [PDF]

Technical Developments:

Randolph M. Setser, Jae K. Kim, Yiu Cho Chung, Kevin Chen, Arthur E. Stillman, Ralf Loeffler, Orlando P. Simonetti, Joan A. Weaver, Michael L. Lieber, and Richard D. White: Cine Delayed-Enhancement MR Imaging of the Heart: Initial Experience
Cine delayed-enhancement MR imaging is a promising technique for the simultaneous visualization of wall motion and myocardial scar extent, and the use of this combination analysis could potentially improve the interpretation of images obtained in patients with ischemic heart disease.
Radiology 2006 239: 856-862. Published online before print April 26 2006, 10.1148/radiol.2393050228 [Abstract] [Figures Only] [Full Text] [PDF]

Milliam Lika Kataoka, Vassilios D. Raptopoulos, Pei-Jan Paul Lin, Bettina Siewert, S. Nahum Goldberg, and Jonathan B. Kruskal: Multiple-Image In-Room CT Imaging Guidance for Interventional Procedures
Compared with the conventional single-image CT technique, multiple-image multi–detector row CT guidance significantly (P < .001) decreases the amount of room use time required for interventional procedures.
Radiology 2006 239: 863-868. Published online before print April 18 2006, 10.1148/radiol.2393050446 [Abstract] [Figures Only] [Full Text] [PDF]

Ernest L. Madsen, Wendie A. Berg, Ellen B. Mendelson, and Gary R. Frank: Anthropomorphic Breast Phantoms for Qualification of Investigators for ACRIN Protocol 6666
The phantoms provide a reproducible, quantitative, and realistic tool for comparing skills of users in lesion detection and recognition of important lesion characteristics similar to those expected in clinical breast US.
Radiology 2006 239: 869-874. Published online before print April 26 2006, 10.1148/radiol.2393051070 [Abstract] [Figures Only] [Full Text] [PDF]

Thoracic Imaging:

Sean B. Fain, Shilpa R. Panth, Michael D. Evans, Andrew L. Wentland, James H. Holmes, Frank R. Korosec, Matthew J. O'Brien, Harvey Fountaine, and Thomas M. Grist: Early Emphysematous Changes in Asymptomatic Smokers: Detection with ³He MR Imaging
Data from this study demonstrate presymptomatic detection of degraded pulmonary function in smokers by using diffusion-weighted ³He MR imaging.
Radiology 2006 239: 875-883 (DOI: 10.1148/radiol.2393050111); [Abstract] [Figures Only] [Full Text] [PDF]

Benoit Ghaye, Alexandre Ghuysen, Valerie Willems, Bernard Lambermont, Paul Gerard, Vincent D'Orio, Pierre Alain Gevenois, and Robert F. Dondelinger: Severe Pulmonary Embolism:Pulmonary Artery Clot Load Scores and Cardiovascular Parameters as Predictors of Mortality
The findings of CT pulmonary angiography are adequate for predicting the prognosis of patients with severe pulmonary embolism–related conditions, and right ventricular to left ventricular ratio and azygos vein diameter are the most accurate predictors of mortality.
Radiology 2006 239: 884-891. Published online before print April 7 2006, 10.1148/radiol.2392050075 [Abstract] [Figures Only] [Full Text] [PDF]

Vascular and Interventional Radiology:

Gunnar Tepe, Claudius Hopfenzitz, Klaus Dietz, Jakub Wiskirchen, Stephan Heller, Kenneth Ouriel, Gerhard Ziemer, Claus D. Claussen, and Stephan H. Duda: Peripheral Arteries: Treatment with Antibodies of Platelet Receptors and Reteplase for Thrombolysis—APART Trial
Results pertaining to the speed of thrombolysis and the number of minor complications indicate that the urokinase-plus-abciximab regimen may be preferred, for no major differences between the groups were observed in regard to all other end points, such as major complications, therapeutic success, and long-term outcome.
Radiology 2006 239: 892-900. Published online before print April 26 2006, 10.1148/radiol.2393050620 [Abstract] [Figures Only] [Full Text] [PDF]

Rolf W. Huegli, Markus Aschwanden, Georg Bongartz, Kurt Jaeger, Hans-Georg Heidecker, Christoph Thalhammer, Anja-Carina Schulte, Claus Hashagen, Augustinus L. Jacob, and Deniz Bilecen: Intraarterial MR Angiography and DSA in Patients with Peripheral Arterial Occlusive Disease: Prospective Comparison
The results of this prospective study of catheter-guided intraarterial MR angiography with use of a low-dose injection protocol in patients with peripheral arterial occlusive disease show great diagnostic potential in the femoropopliteal arteries and reasonable diagnostic image quality in the infrapopliteal arteries.
Radiology 2006 239: 901-908. Published online before print April 26 2006, 10.1148/radiol.2393041574 [Abstract] [Figures Only] [Full Text] [PDF]

SIGNS IN IMAGING:

Sonny Sau-hin Chiu: The Anterior Tibial Translocation Sign
Anterior translocation of the tibia is one of the secondary signs of anterior cruciate ligament tear that can be seen at MR imaging.
Radiology 2006 239: 914-915 (DOI: 10.1148/radiol.2393040273); [Figures Only] [Full Text] [PDF]

DIAGNOSIS PLEASE:

Steven J. Michel and Curtis A. Given, II: Case 99
Radiology 2006 239: 909-910 (DOI: 10.1148/radiol.2393040164); [Figures Only] [Full Text] [PDF]

Joel D. Rubenstein and Monique S. Christakis: Case 95:: Fracture of Double-layered Patella in Multiple Epiphyseal Dysplasia
Multiple epiphyseal dysplasia is a heterogeneous group of skeletal dysplasias that may show an autosomal dominant or recessive pattern of inheritance; a double-layered patella, when present, is considered diagnostic for recessive multiple epiphyseal dysplasia.
Radiology 2006 239: 911-913 (DOI: 10.1148/radiol.2393032020); [Figures Only] [Full Text] [PDF]

DEPARTMENTS:

: Abstracts of Current Literature
Radiology 2006 239: 922-923 (DOI: 10.1148/radiol.2393052548); [Full Text] [PDF]

: Publication Information for Authors
Radiology 2006 239: [Full Text]