SCIENCE TO PRACTICE:

Levon N. Nazarian

Can Sonoelastography Enable Reliable Differentiation between Benign and Metastatic Cervical Lymph Nodes?
Sonoelastography is a noninvasive technique that may improve detection of lymph node metastases, thereby guiding biopsy and facilitating follow-up.
Radiology 2007 243: 1-2 (DOI: 10.1148/radiol.2431061626); [Figures Only] [Full Text] [PDF]  

COMMUNICATIONS:

   Special Communications:

Gary J. Becker and Hedvig Hricak

Herbert Y. Kressel, MD, Named Editor of Radiology
Radiology 2007 243: 3-4 (DOI: 10.1148/radiol.2431072507); [Figures Only] [Full Text] [PDF]  

   Letters to the Editor:

John D. Keen, James E. Keen, Marie A. Ganott, Jules H. Sumkin, and David Gur

Does the Marginal Benefit Exceed the Marginal Cost?
Radiology 2007 243: 299-300 (DOI: 10.1148/radiol.2431060486); [Full Text] [PDF]  

Ferris M. Hall, Cecilia L. Mercado, and Joan Cangiarella

Papillary Lesions of the Breast
Radiology 2007 243: 300-301 (DOI: 10.1148/radiol.2431060468); [Full Text] [PDF]  

Jan W. Schoones, Simone S. Boks, and Sita M. A. Bierma-Zeinstra

Improving Literature Searches
Radiology 2007 243: 301-302 (DOI: 10.1148/radiol.2431060641); [Full Text] [PDF]  

   Erratum:

Radiology 2007 243: 302 (DOI: 10.1148/radiol.2431072502); [Full Text] [PDF]  

   In Memoriam:

Alexander Margulis

Josef Lissner, MD
Radiology 2007 243: 303-304 (DOI: 10.1148/radiol.2431072503); [Figures Only] [Full Text] [PDF]  

REVIEWS AND COMMENTARY:

   Editorials:

Nancy A. Obuchowski

New Methodological Tools for Multiple-Reader ROC Studies
The summary curve illustrates both the average performance of the readers and the variability between readers.
Radiology 2007 243: 10-12 (DOI: 10.1148/radiol.2432060387); [Figures Only] [Full Text] [PDF]  

   Evidence-based Radiology Series:

Steve Halligan and Douglas G. Altman

Evidence-based Practice in Radiology: Steps 3 and 4—Appraise and Apply Systematic Reviews and Meta-Analyses
Systematic reviews aim to provide an unbiased assessment of the quality of available research on a particular topic.
Radiology 2007 243: 13-27 (DOI: 10.1148/radiol.2431051823); [Abstract] [Figures Only] [Full Text] [PDF]  

   State of the Art:

Hedvig Hricak, Peter L. Choyke, Steven C. Eberhardt, Steven A. Leibel, and Peter T. Scardino

Imaging Prostate Cancer: A Multidisciplinary Perspective
Substantial progress has been in made in the imaging of prostate cancer, particularly in MR imaging, MR spectroscopic imaging, PET/CT, and SPECT/CT; these advances are beginning to translate into better treatment selection and more accurate image-guided therapies, including surgery and radiation therapy.
Radiology 2007 243: 28-53 (DOI: 10.1148/radiol.2431030580); [Abstract] [Figures Only] [Full Text] [PDF]  

   Perspectives:

James H. Thrall

Building Research Programs in Diagnostic Radiology • Part III. Clinical and Translational Research
High-quality clinical research is vital to the future of radiology, and it is worth the participation of all radiologists, including those in both academic and private practice, to support clinical research and the organizations and individuals engaged in its performance.
Radiology 2007 243: 5-9 (DOI: 10.1148/radiol.2431062154); [Full Text] [PDF]  

   Book Reviews:

Breast MRI: Diagnosis and Intervention
Radiology 2007 243: 54 (DOI: 10.1148/radiol.2431072504); [Full Text] [PDF]  

Imaging in SARS
Radiology 2007 243: 54-55 (DOI: 10.1148/radiol.2431072505); [Full Text] [PDF]  

Interventional Radiology: A Survival Guide, 2nd ed
Radiology 2007 243: 55 (DOI: 10.1148/radiol.2431072506); [Full Text] [PDF]  

ORIGINAL RESEARCH:

   Breast Imaging:

Ruey-Feng Chang, Sheng-Fang Huang, Woo Kyung Moon, Yu-Hau Lee, and Dar-Ren Chen

Solid Breast Masses: Neural Network Analysis of Vascular Features at Three-dimensional Power Doppler US for Benign or Malignant Classification
Results of our study show that on the basis of image processing and analysis of tumor vascular features by using three-dimensional power Doppler US images, the proposed neural network method can be successfully used to classify breast tumors as benign or malignant.
Radiology 2007 243: 56-62. Published online before print February 20 2007, 10.1148/radiol.2431060041 [Abstract] [Figures Only] [Full Text] [PDF]  

   Cardiac Imaging:

Santo Dellegrottaglie, Javier Sanz, Michael Poon, Juan F. Viles-Gonzalez, Roxana Sulica, Martin Goyenechea, Frank Macaluso, Valentin Fuster, and Sanjay Rajagopalan

Pulmonary Hypertension: Accuracy of Detection with Left Ventricular Septal-to–Free Wall Curvature Ratio Measured at Cardiac MR
Our study results demonstrate that in patients clinically known to have or suspected of having pulmonary hypertension, the curvature ratio measured at cardiac MR imaging, as compared with the right-side heart catheterization measurement, is an accurate and reproducible index for estimation of the right ventricular systolic pressure.
Radiology 2007 243: 63-69 (DOI: 10.1148/radiol.2431060067); [Abstract] [Figures Only] [Full Text] [PDF]  

Javier Sanz, Paola Kuschnir, Teresa Rius, Rafael Salguero, Roxana Sulica, Andrew J. Einstein, Santo Dellegrottaglie, Valentin Fuster, Sanjay Rajagopalan, and Michael Poon

Pulmonary Arterial Hypertension: Noninvasive Detection with Phase-Contrast MR Imaging
From a practical perspective, the measurement of pulmonary average velocity appears clinically useful; a cutoff value of 11.7 cm/sec was used to differentiate between patients with pulmonary arterial hypertension and those without pulmonary arterial hypertension.
Radiology 2007 243: 70-79. Published online before print February 28 2007, 10.1148/radiol.2431060477 [Abstract] [Figures Only] [Full Text] [PDF]  

   Contrast Media:

Carolyn L. Wang, Richard H. Cohan, James H. Ellis, Saroja Adusumilli, and N. Reed Dunnick

Frequency, Management, and Outcome of Extravasation of Nonionic Iodinated Contrast Medium in 69 657 Intravenous Injections
Extravasation of contrast material often involves large volumes of contrast material and nearly always resolves with conservative treatment.
Radiology 2007 243: 80-87 (DOI: 10.1148/radiol.2431060554); [Abstract] [Figures Only] [Full Text] [PDF]  

   Emergency Radiology:

Stephan W. Anderson, Jose C. Varghese, Brian C. Lucey, Peter A. Burke, Erwin F. Hirsch, and Jorge A. Soto

Blunt Splenic Trauma: Delayed-Phase CT for Differentiation of Active Hemorrhage from Contained Vascular Injury in Patients
The characterization of splenic injuries with dual-phase CT may be used in clinical management decisions.
Radiology 2007 243: 88-95. Published online before print February 9 2007, 10.1148/radiol.2431060376 [Abstract] [Figures Only] [Full Text] [PDF]  

   Experimental Studies:

Frederic H. Fahey, Matthew R. Palmer, Keith J. Strauss, Robert E. Zimmerman, Ramsey D. Badawi, and S. Ted Treves

Dosimetry and Adequacy of CT-based Attenuation Correction for Pediatric PET: Phantom Study
Very-low-dose CT scans provide adequate CT-based attenuation correction for PET in pediatric patients, whereas the tube voltage must be increased slightly to 120 kVp for adult patients when the lowest tube current–time product setting (5 mAs) is used.
Radiology 2007 243: 96-104. Published online before print February 9 2007, 10.1148/radiol.2431060696 [Abstract] [Figures Only] [Full Text] [PDF]  

Laure S. Fournier, Viktor Novikov, Vincenzo Lucidi, Yanjun Fu, Theodore Miller, Eugenia Floyd, David M. Shames, and Robert C. Brasch

MR Monitoring of Cyclooxygenase-2 Inhibition of Angiogenesis in a Human Breast Cancer Model in Rats
The results of this study show that dynamic MR imaging performed with a high-molecular-weight contrast agent in conjunction with a simple compartmental model can be used to detect and quantitatively measure significant declines in apparent tumor permeability within 7 days after initiation of therapy with the cyclooxygenase-2 inhibitor celecoxib.
Radiology 2007 243: 105-111. Published online before print February 28 2007, 10.1148/radiol.2431050658 [Abstract] [Figures Only] [Full Text] [PDF]  

Susanne M. Stieger, Charles F. Caskey, Roger H. Adamson, Shengping Qin, Fitz-Roy E. Curry, Erik R. Wisner, and Katherine W. Ferrara

Enhancement of Vascular Permeability with Low-Frequency Contrast-enhanced Ultrasound in the Chorioallantoic Membrane Model
Low-frequency contrast-enhanced ultrasound produces extravasation of a model drug through small endothelial gaps, with convective transport observed to result in fluid velocities on the order of tens to hundreds of microns per second.
Radiology 2007 243: 112-121 (DOI: 10.1148/radiol.2431060167); [Abstract] [Figures Only] [Full Text] [PDF] [Appendix]  

   Gastrointestinal Imaging:

Jasper Florie, Sebastiaan Jensch, Rutger A. J. Nievelstein, Joep F. Bartelsman, Lubbertus C. Baak, Rogier E. van Gelder, Brigitte Haberkorn, Adrienne van Randen, Michiel M. van der Ham, Pleun Snel, Victor P. M. van der Hulst, Patrick M. M. Bossuyt, and Jaap Stoker

MR Colonography with Limited Bowel Preparation Compared with Optical Colonoscopy in Patients at Increased Risk for Colorectal Cancer
Although MR colonography with limited bowel preparation might be considered a reasonable option for triaging patients in populations with a low prevalence of colorectal polyps, at present the sensitivity of this method is modest.
Radiology 2007 243: 122-131. Published online before print February 28 2007, 10.1148/radiol.2431052088 [Abstract] [Figures Only] [Full Text] [PDF]  

MERCURY Study Group

Extramural Depth of Tumor Invasion at Thin-Section MR in Patients with Rectal Cancer: Results of the MERCURY Study
Demonstration of accurate measurement of the depth of extramural tumor spread in the Magnetic Resonance Imaging and Rectal Cancer European Equivalence Study enabled accurate preoperative prognostication.
Radiology 2007 243: 132-139. Published online before print February 28 2007, 10.1148/radiol.2431051825 [Abstract] [Figures Only] [Full Text] [PDF] [Appendix E1][Appendix E2][Appendix E3]  

Shamima Sultana, Kazuo Awai, Yoshiharu Nakayama, Takeshi Nakaura, Duo Liu, Masahiro Hatemura, Yoshinori Funama, Shoji Morishita, and Yasuyuki Yamashita

Hypervascular Hepatocellular Carcinomas: Bolus Tracking with a 40-Detector CT Scanner to Time Arterial Phase Imaging
The peak tumor-liver contrast during the hepatic arterial phase occurred 18 seconds after triggering when a 40-detector CT was used and the trigger threshold level was set at an increase of 100 HU over the aortic baseline CT number.
Radiology 2007 243: 140-147. Published online before print February 28 2007, 10.1148/radiol.2431060069 [Abstract] [Figures Only] [Full Text] [PDF]  

   Genitourinary Imaging:

Elizabeth A. Sadowski, Lindsey K. Bennett, Micah R. Chan, Andrew L. Wentland, Andrea L. Garrett, Robert W. Garrett, and Arjang Djamali

Nephrogenic Systemic Fibrosis: Risk Factors and Incidence Estimation
Our data suggest that a combination of factors, including altered kidney function, intense inflammatory burden, and exposure to gadolinium-based contrast agents, may play a role in the development of nephrogenic systemic fibrosis.
Radiology 2007 243: 148-157. Published online before print January 31 2007, 10.1148/radiol.2431062144 [Abstract] [Figures Only] [Full Text] [PDF]  

Giorgio Ascenti, Silvio Mazziotti, Giovanni Zimbaro, Nicola Settineri, Carlo Magno, Darwin Melloni, Rosario Caruso, and Emanuele Scribano

Complex Cystic Renal Masses: Characterization with Contrast-enhanced US
Contrast-enhanced second-harmonic US, as compared with triple-phase helical CT, is appropriate in the Bosniak classification of renal cysts.
Radiology 2007 243: 158-165 (DOI: 10.1148/radiol.2431051924); [Abstract] [Figures Only] [Full Text] [PDF]  

   Health Policy and Practice:

William B. Morrison, Laurence Parker, Andrea J. Frangos, and John A. Carrino

Vertebroplasty in the United States: Guidance Method and Provider Distribution, 2001–2003
Our data indicate that while a variety of specialties perform vertebroplasty, radiologists appear to be performing the majority, and fluoroscopy is almost universally used for guidance and monitoring.
Radiology 2007 243: 166-170 (DOI: 10.1148/radiol.2431060045); [Abstract] [Full Text] [PDF]  

   Molecular Imaging:

Günter Fürst, Jan Schulte am Esch, Ludger W. Poll, Stefan B. Hosch, L. Benjamin Fritz, Michael Klein, Erhard Godehardt, Andreas Krieg, Britta Wecker, Volker Stoldt, Marcus Stockschläder, Claus F. Eisenberger, Ulrich Mödder, and Wolfram T. Knoefel

Portal Vein Embolization and Autologous CD133⁺ Bone Marrow Stem Cells for Liver Regeneration: Initial Experience
The concept of portal vein embolization (PVE) with CD133⁺ bone marrow stem cell administration to the liver bears the potential to accelerate and augment the proliferation of the future liver remnant volume more than does PVE alone in preparation for extensive liver resection.
Radiology 2007 243: 171-179. Published online before print February 20 2007, 10.1148/radiol.2431060625 [Abstract] [Figures Only] [Full Text] [PDF]  

   Musculoskeletal Imaging:

Nadja Saupe, Christian W. A. Pfirrmann, Marius R. Schmid, Thomas Schertler, Mirjana Manestar, and Dominik Weishaupt

MR Imaging of Cartilage in Cadaveric Wrists: Comparison between Imaging at 1.5 and 3.0 T and Gross Pathologic Inspection
Our study results have shown that the sensitivities and specificities of MR imaging for the detection of cartilage defects vary depending on anatomic location for both 1.5- and 3.0-T field strengths.
Radiology 2007 243: 180-187. Published online before print February 20 2007, 10.1148/radiol.2431060294 [Abstract] [Figures Only] [Full Text] [PDF]  

   Neuroradiology:

Wei-Jian Jiang, Bin Du, Thomas W. Leung, Xiao-Tong Xu, Min Jin, and Ke-Hui Dong

Symptomatic Intracranial Stenosis: Cerebrovascular Complications from Elective Stent Placement
Our study findings indicate that there is a spectrum of procedure-related cerebrovascular complications from stent placement; these complications consist of intracranial hemorrhage, target-lesion thrombosis, perforator stroke, embolic stroke, transient ischemic attack, and vessel dissection.
Radiology 2007 243: 188-197 (DOI: 10.1148/radiol.2431060139); [Abstract] [Full Text] [PDF]  

V. Hester ten Dam, Dominique M. J. van den Heuvel, Anton J. M. de Craen, Edward L. E. M. Bollen, Heather M. Murray, Rudi G. J. Westendorp, Gerard J. Blauw, and Mark A. van Buchem

Decline in Total Cerebral Blood Flow Is Linked with Increase in Periventricular but Not Deep White Matter Hyperintensities
Results of this MR imaging study show that a decrease in total cerebral blood flow in elderly subjects is associated with an increase in volume of periventricular but not deep white matter hyperintensities.
Radiology 2007 243: 198-203. Published online before print February 28 2007, 10.1148/radiol.2431052111 [Abstract] [Figures Only] [Full Text] [PDF]  

   Nuclear Medicine:

Al V. Taira, Robert J. Herfkens, Sam S. Gambhir, and Andrew Quon

Detection of Bone Metastases: Assessment of Integrated FDG PET/CT Imaging
The positive predictive value of integrated PET/CT imaging in the evaluation of bone malignancy is very high (98%) when the two portions of the examination are in agreement.
Radiology 2007 243: 204-211 (DOI: 10.1148/radiol.2431052104); [Abstract] [Figures Only] [Full Text] [PDF]  

   Pediatric Imaging:

Jochem van den Berg, Piotr A. Wielopolski, Folkert J. Meijboom, Maarten Witsenburg, Ad J. J. C. Bogers, Peter M. T. Pattynama, and Willem A. Helbing

Diastolic Function in Repaired Tetralogy of Fallot at Rest and during Stress: Assessment with MR Imaging
In patients with tetralogy of Fallot corrected according to currently widely accepted surgical strategies, end-diastolic forward flow in the pulmonary artery relates to a worse clinical state at mid- to long-term follow-up, as indicated by worse exercise capacity and more severe pulmonary regurgitation.
Radiology 2007 243: 212-219. Published online before print February 9 2007, 10.1148/radiol.2431060213 [Abstract] [Figures Only] [Full Text] [PDF]  

   Technical Developments:

Ioannis Koktzoglou, Yiu-Cho Chung, Timothy J. Carroll, Orlando P. Simonetti, Mark D. Morasch, and Debiao Li

Three-dimensional Black-Blood MR Imaging of Carotid Arteries with Segmented Steady-State Free Precession: Initial Experience
Segmented three-dimensional double inversion-recovery prepared steady-state free precession is a fast MR imaging sequence that enables black-blood carotid arterial wall imaging with contiguous thin-section coverage and greater imaging speed and CNR efficiency than conventional two-dimensional techniques.
Radiology 2007 243: 220-228 (DOI: 10.1148/radiol.2431060310); [Abstract] [Figures Only] [Full Text] [PDF]  

Florian M. Vogt, Michael O. Zenge, Mark E. Ladd, Christoph U. Herborn, Katja Brauck, Wolfgang Luboldt, Jörg Barkhausen, and Harald H. Quick

Peripheral Vascular Disease: Comparison of Continuous MR Angiography and Conventional MR Angiography—Pilot Study
We demonstrated the capability for acquisition of high-quality seamless large–field-of-view three-dimensional MR angiograms of the peripheral vascular system in patients during continuous table movement by using dedicated surface coils.
Radiology 2007 243: 229-238. Published online before print February 28 2007, 10.1148/radiol.2431052098 [Abstract] [Figures Only] [Full Text] [PDF]  

   Thoracic Imaging:

New York Early Lung Cancer Action Project Investigators

CT Screening for Lung Cancer: Diagnoses Resulting from the New York Early Lung Cancer Action Project
The results of the New York Early Lung Cancer Action Project supplement the results of the Early Lung Cancer Action Project and indicate that annual CT screening for lung cancer results in the identification of a high proportion of patients with early-stage lung disease.
Radiology 2007 243: 239-249 (DOI: 10.1148/radiol.2431060467); [Abstract] [Full Text] [PDF]  

Afarine Madani, Viviane De Maertelaer, Jacqueline Zanen, and Pierre Alain Gevenois

Pulmonary Emphysema: Radiation Dose and Section Thickness at Multidetector CT Quantification—Comparison with Macroscopic and Microscopic Morphometry
We believe that reducing the radiation dose to 20 mAs should be recommended for patients undergoing CT quantification of pulmonary emphysema and that comparisons of findings between examinations, such as in follow-up studies, require that both the dose and the section thickness be kept constant.
Radiology 2007 243: 250-257 (DOI: 10.1148/radiol.2431060194); [Abstract] [Figures Only] [Full Text] [PDF]  

   Ultrasonography:

Andrej Lyshchik, Tatsuya Higashi, Ryo Asato, Shinzo Tanaka, Juichi Ito, Masahiro Hiraoka, Michael F. Insana, Aaron B. Brill, Tsuneo Saga, and Kaori Togashi

Cervical Lymph Node Metastases: Diagnosis at Sonoelastography—Initial Experience
Sonoelastography is a promising imaging technique that can provide assistance in the differentiation of benign and metastatic neck lymph nodes.
Radiology 2007 243: 258-267. Published online before print February 9 2007, 10.1148/radiol.2431052032 [Abstract] [Figures Only] [Full Text] [PDF]  

   Vascular and Interventional Radiology:

Caroline J. Simon, Damian E. Dupuy, Thomas A. DiPetrillo, Howard P. Safran, C. Alexander Grieco, Thomas Ng, and William W. Mayo-Smith

Pulmonary Radiofrequency Ablation: Long-term Safety and Efficacy in 153 Patients
We believe our study results have not only revealed lung radiofrequency ablation to be safe but also associated it with improved survival and local tumor control outcomes in a population unsuitable for surgery.
Radiology 2007 243: 268-275 (DOI: 10.1148/radiol.2431060088); [Abstract] [Figures Only] [Full Text] [PDF]  

Thomas D. Atwell, Michael A. Farrell, Matthew R. Callstrom, J. William Charboneau, Bradley C. Leibovich, David E. Patterson, George K. Chow, and Michael L. Blute

Percutaneous Cryoablation of 40 Solid Renal Tumors with US Guidance and CT Monitoring: Initial Experience
Percutaneous cryoablation with US guidance and CT monitoring appears to be safe and effective for the treatment of solid renal masses.
Radiology 2007 243: 276-283. Published online before print February 28 2007, 10.1148/radiol.2431052133 [Abstract] [Figures Only] [Full Text] [PDF]  

SIGNS IN IMAGING:

Guenther J. Kraus

The Split Pleura Sign
The split pleura sign refers to thickening and increased contrast enhancement of the visceral and the parietal pleura separated by empyema or an exsudative effusion.
Radiology 2007 243: 297-298 (DOI: 10.1148/radiol.2431041658); [Figures Only] [Full Text] [PDF]  

DIAGNOSIS PLEASE:

Mustafa Kemal Demir, Mahmut Beser, and Okan Akinci

Case 118
Radiology 2007 243: 284-285 (DOI: 10.1148/radiol.2431041505); [Figures Only] [Full Text] [PDF]  

J. Joost Kardux, H. Wouter van Es, and Benno J. W. M. Rensing

Case 119
Radiology 2007 243: 286-287 (DOI: 10.1148/radiol.2431041241); [Figures Only] [Full Text] [PDF] [MPEG Movie]  

Steven W. Hetts, Sean D. Hilchey, Russell Wilson, and Benjamin Franc

Case 110: Nonossifying Fibroma
Nonossifying fibroma is among the benign bone lesions that may be fluorine 18 fluorodeoxyglucose (FDG) avid at FDG PET; in patients undergoing metastatic work-up, correlation with radiographic, MR imaging, and clinical findings is essential to making the correct diagnosis.
Radiology 2007 243: 288-292 (DOI: 10.1148/radiol.2431040427); [Figures Only] [Full Text] [PDF]  

Bert P. M. ter Braak, Gerard L. Guit, and Johan L. Bloem

Case 111: Soft-Tissue Lymphoma
A soft-tissue mass enveloping rather than invading normal anatomic structures on MR images in an elderly patient should raise the possibility of primary extranodal soft-tissue lymphoma.
Radiology 2007 243: 293-296 (DOI: 10.1148/radiol.2431040397); [Figures Only] [Full Text] [PDF]  

DEPARTMENTS:

Abstracts of Current Literature
Radiology 2007 243: 305-306 (DOI: 10.1148/radiol.2431072508); [Full Text] [PDF]  

This Month in Radiology
Radiology 2007 243: 14-15 (DOI: 10.1148/radiol.2431200714); [PDF]  

Publication Information for Authors
Radiology 2007 243: [Full Text]

To see an article, click its [Full Text] or [PDF] link. To review many abstracts, check the boxes to the left of the titles you want, and click the 'Get All Checked Abstract(s)' button. To see one abstract at a time, click its [Abstract] link.