Radiology -- Table of Contents (247 [2])

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SCIENCE TO PRACTICE:

Christian W. A. Pfirrmann: Can MR Imaging Be Used to Predict the Degree and Prognosis of Peripheral Nerve Injuries?
In this issue of Radiology, Yamabe et al describe their use of T2 values, the time course of T2 values, and T2 ratios of muscle tissue to evaluate the degree and prognosis of peripheral nerve injury.
Radiology 2008 247: 301-302 (DOI: 10.1148/radiol.2472072162); [Figures Only] [Full Text] [PDF]

COMMUNICATIONS:

Letters to the Editor:

Jose A. Carrión, Miquel Navasa, Xavier Forns, Bernard E. Van Beers, Laurent Huwart, and Yves Horsmans: MR Elastography to Assess Liver Fibrosis
Radiology 2008 247: 591-592 (DOI: 10.1148/radiol.2472071844); [Full Text] [PDF]

David C. Levin, Vijay M. Rao, G. Scott Gazelle, and Elkan F. Halpern: Same-Specialty Referrals for Imaging Compared with Referrals to Radiologists: Are the Data Correct?
Radiology 2008 247: 592-593 (DOI: 10.1148/radiol.2472071868); [Full Text] [PDF]

Michael Hutchinson, Jack O. Greenberg, G. Scott Gazelle, and Elkan F. Halpern: On Radiology Referral versus Specialist Referral
Radiology 2008 247: 593-594 (DOI: 10.1148/radiol.2472071960); [Full Text] [PDF]

Alan D. Kaye: Radiologist versus Same-Specialty Referral: A Subset of the Issue
Radiology 2008 247: 594 (DOI: 10.1148/radiol.2472072012); [Full Text] [PDF]

REVIEWS AND COMMENTARY:

Editorials:

Richard B. Gunderman and C. Matthew Hawkins: The Self-Portraits of Frida Kahlo
Like radiographs, paintings require a form of interpretation, and Frida Kahlo's paintings challenge and develop our interpretive powers.
Radiology 2008 247: 303-306 (DOI: 10.1148/radiol.2472061459); [Figures Only] [Full Text] [PDF]

Net Assets:

Stuart R. Pomerantz: Net Assets: Personal Technology for Productivity in Radiology
The embarrassment of radiologic riches on the World Wide Web has made the online experience an indispensable ally for the modern radiologist.
Radiology 2008 247: 307-310 (DOI: 10.1148/radiol.2472080187); [Figures Only] [Full Text] [PDF]

Review:

Jonathon M. Willatt, Hero K. Hussain, Saroja Adusumilli, and Jorge A. Marrero: MR Imaging of Hepatocellular Carcinoma in the Cirrhotic Liver: Challenges and Controversies
In this review, we focus on MR imaging features of HCC in the cirrhotic liver, diagnostic dilemmas, staging and treatment options, and imaging after treatment.
Radiology 2008 247: 311-330 (DOI: 10.1148/radiol.2472061331); [Abstract] [Figures Only] [Full Text] [PDF]

Review for Residents:

Ray Dyer, David J. DiSantis, and Bruce L. McClennan: Simplified Imaging Approach for Evaluation of the Solid Renal Mass in Adults
A useful strategy for the evaluation of renal masses is to divide them on the basis of their growth pattern into ball-type or bean-type masses.
Radiology 2008 247: 331-343. Published online before print February 29 2008, 10.1148/radiol.2472061846 [Abstract] [Figures Only] [Full Text] [PDF]

Book Reviews:

: Imaging of Soft Tissue Tumors, 2nd ed
Radiology 2008 247: 344 (DOI: 10.1148/radiol.2472082501); [Full Text] [PDF]

: Evidence-Based Imaging: Optimizing Imaging in Patient Care
Radiology 2008 247: 344-345 (DOI: 10.1148/radiol.2472082507); [Full Text] [PDF]

: Pediatric Nuclear Medicine/PET, 3rd ed
Radiology 2008 247: 345 (DOI: 10.1148/radiol.2472082502); [Full Text] [PDF]

ORIGINAL RESEARCH:

Cardiac Imaging:

Harald Brodoefel, Christof Burgstahler, Ilias Tsiflikas, Anja Reimann, Stephen Schroeder, Claus D. Claussen, Martin Heuschmid, and Andreas F. Kopp: Dual-Source CT: Effect of Heart Rate, Heart Rate Variability, and Calcification on Image Quality and Diagnostic Accuracy
According to a multivariate logistic regression analysis considering the effect of heart rate, heart rate variability, and calcium score on the accuracy of lesion detection, calcification was the single factor with a significant influence (P = .002).
Radiology 2008 247: 346-355. Published online before print March 27 2008, 10.1148/radiol.2472070906 [Abstract] [Figures Only] [Full Text] [PDF]

J. Matthias Kerl, James G. Ravenel, Shaun A. Nguyen, Pal Suranyi, Christian Thilo, Philip Costello, Werner Bautz, and U. Joseph Schoepf: Right Heart: Split-Bolus Injection of Diluted Contrast Medium for Visualization at Coronary CT Angiography
The results of our study suggest that the adoption of split-bolus injection protocols for CT angiography of the heart preserves the desired attenuation of the left heart and the coronary arteries and effectively suppresses streak artifacts but provides just enough attenuation of the right heart to allow visualization of right cardiac structures.
Radiology 2008 247: 356-364. Published online before print March 27 2008, 10.1148/radiol.2472070856 [Abstract] [Figures Only] [Full Text] [PDF]

Evidence-based Practice:

Margaret P. Astin, Miriam G. Brazzelli, Cynthia M. Fraser, Carl E. Counsell, Gillian Needham, and Jeremy M. Grimshaw: Developing a Sensitive Search Strategy in MEDLINE to Retrieve Studies on Assessment of the Diagnostic Performance of Imaging Techniques
Given the large volume of published radiology literature and the increasing role of systematic reviews in the assessment of diagnostic test performance, there is a particular need to identify diagnostic imaging studies accurately.
Radiology 2008 247: 365-373. Published online before print March 27 2008, 10.1148/radiol.2472070101 [Abstract] [Figures Only] [Full Text] [PDF] [Appendix E1][Supplemental Tables]

Experimental Studies:

Akira Adachi, Toshio Kaminou, Toshihide Ogawa, Tsuyoshi Kawai, Yasunobu Takaki, Kimihiko Sugiura, Yasufumi Ohuchi, and Masayuki Hashimoto: Heat Distribution in the Spinal Canal during Radiofrequency Ablation for Vertebral Lesions: Study in Swine
Radiofrequency ablation, as used in our swine study, may carry a risk of thermal injury to neural tissue, even for a spinal lesion without a cortical defect.
Radiology 2008 247: 374-380 (DOI: 10.1148/radiol.2472070808); [Abstract] [Figures Only] [Full Text] [PDF]

Patricia L. Kleinman, David Zurakowski, Keith J. Strauss, Robert H. Cleveland, Jeannette M. Perez-Rosello, David P. Nichols, Kelly H. Zou, and Paul K. Kleinman: Detection of Simulated Inflicted Metaphyseal Fractures in a Fetal Pig Model: Image Optimization and Dose Reduction with Computed Radiography
Our study findings suggest that computed radiography can replace traditional high-detail screen-film imaging for the detection of inflicted skeletal injuries in infants and offer the prospect of substantial dose reduction.
Radiology 2008 247: 381-390 (DOI: 10.1148/radiol.2472070811); [Abstract] [Figures Only] [Full Text] [PDF]

Hans-Juergen Raatschen, Gerhard H. Simon, Yanjun Fu, Barbara Sennino, David M. Shames, Michael F. Wendland, Donald M. McDonald, and Robert C. Brasch: Vascular Permeability during Antiangiogenesis Treatment: MR Imaging Assay Results as Biomarker for Subsequent Tumor Growth in Rats
These results strongly support the hypothesis that MR imaging–assayed microvessel leakiness of a macromolecular contrast medium may be applied as an early and noninvasive biomarker of tumor responsiveness to angiogenesis-inhibiting drug treatment.
Radiology 2008 247: 391-399. Published online before print March 27 2008, 10.1148/radiol.2472070363 [Abstract] [Figures Only] [Full Text] [PDF]

James G. Ravenel, William M. Leue, Paul J. Nietert, James V. Miller, Katherine K. Taylor, and Gerard A. Silvestri: Pulmonary Nodule Volume: Effects of Reconstruction Parameters on Automated Measurements—A Phantom Study
Our study results indicate that reconstruction kernel and field of view do not appear to have clinically meaningful effects on pulmonary nodule volume estimations; however, section thickness has a significant effect on bias and precision, particularly for smaller nodules.
Radiology 2008 247: 400-408 (DOI: 10.1148/radiol.2472070868); [Abstract] [Figures Only] [Full Text] [PDF]

Eiko Yamabe, Toshiyasu Nakamura, Koichi Oshio, Yoshito Kikuchi, Hiroyasu Ikegami, and Yoshiaki Toyama: Peripheral Nerve Injury: Diagnosis with MR Imaging of Denervated Skeletal Muscle—Experimental Study in Rats
We can use MR findings to predict nerve damage.
Radiology 2008 247: 409-417. Published online before print March 27 2008, 10.1148/radiol.2472070403 [Abstract] [Figures Only] [Full Text] [PDF]

Gastrointestinal Imaging:

Stephan W. Anderson, Eunjin Rho, and Jorge A. Soto: Detection of Biliary Duct Narrowing and Choledocholithiasis: Accuracy of Portal Venous Phase Multidetector CT
Given the diagnostic accuracy of 64-detector CT for the detection of biliary duct narrowing, initial portal venous phase imaging with abdominal-pain CT protocols may be sufficient for diagnosis, especially when CT demonstrates abnormalities such as biliary duct narrowing or stones, since the specificity in this setting is very high.
Radiology 2008 247: 418-427. Published online before print March 27 2008, 10.1148/radiol.2472070473 [Abstract] [Figures Only] [Full Text] [PDF]

Hye Jin Kim, Ah Young Kim, Choong Wook Lee, Chang Sik Yu, Jung-Sun Kim, Pyo Nyun Kim, Moon-Gyu Lee, and Hyun Kwon Ha: Hirschsprung Disease and Hypoganglionosis in Adults: Radiologic Findings and Differentiation
A markedly dilated feces-filled proximal colonic segment with a transition zone and a narrowed distal colonic segment without any other obstructive cause depicted on CT and double-contrast barium enema images, in conjunction with a clinical history of chronic refractory constipation, in an adult should suggest a diagnosis of adult Hirschsprung disease or adult hypoganglionosis.
Radiology 2008 247: 428-434 (DOI: 10.1148/radiol.2472070182); [Abstract] [Figures Only] [Full Text] [PDF]

Riccardo Manfredi, Rossella Graziani, Calogero Cicero, Luca Frulloni, Giovanni Carbognin, William Mantovani, and Roberto Pozzi Mucelli: Autoimmune Pancreatitis: CT Patterns and Their Changes after Steroid Treatment
The most relevant CT sign of autoimmune pancreatitis is focal or diffuse enlargement of the pancreatic parenchyma and narrowing of the main pancreatic duct due to autoimmune pathogenesis.
Radiology 2008 247: 435-443 (DOI: 10.1148/radiol.2472070598); [Abstract] [Figures Only] [Full Text] [PDF]

Genitourinary Imaging:

Alvin R. Cabrera, Fergus V. Coakley, Antonio C. Westphalen, Ying Lu, Shoujun Zhao, Katsuto Shinohara, Peter R. Carroll, and John Kurhanewicz: Prostate Cancer: Is Inapparent Tumor at Endorectal MR and MR Spectroscopic Imaging a Favorable Prognostic Finding in Patients Who Select Active Surveillance?
Endorectal MR imaging and MR spectroscopic imaging findings of tumor apparency or inapparency in prostate cancer patients who select active surveillance for management do not appear to be of prognostic value, possibly because these patients generally have low-risk tumors.
Radiology 2008 247: 444-450 (DOI: 10.1148/radiol.2472070770); [Abstract] [Figures Only] [Full Text] [PDF]

Naoki Takahashi, Akira Kawashima, James F. Glockner, Robert P. Hartman, Bradley C. Leibovich, Anja C. S. Brau, Philip J. Beatty, and Bernard F. King: Small (<2-cm) Upper-Tract Urothelial Carcinoma: Evaluation with Gadolinium-enhanced Three-dimensional Spoiled Gradient-Recalled Echo MR Urography
Gadolinium-enhanced three-dimensional spoiled gradient-recalled echo MR urography is a promising technique that may be used for the initial evaluation of patients at high risk for developing upper-tract urothelial carcinoma when CT urography or excretory urography is contraindicated, but it needs validation with a larger study.
Radiology 2008 247: 451-457. Published online before print March 27 2008, 10.1148/radiol.2472070798 [Abstract] [Figures Only] [Full Text] [PDF]

Jingbo Zhang, Yousef Mazaheri Tehrani, Liang Wang, Nicole M. Ishill, Larry H. Schwartz, and Hedvig Hricak: Renal Masses: Characterization with Diffusion-weighted MR Imaging—A Preliminary Experience
The apparent diffusion coefficient of a renal lesion potentially can be used as an additional parameter to help determine the appropriate clinical management.
Radiology 2008 247: 458-464 (DOI: 10.1148/radiol.2472070823); [Abstract] [Figures Only] [Full Text] [PDF]

Head and Neck Imaging:

Jaime Gonzalez, John C. Wood, Frederick J. Dorey, Tishya A. L. Wren, and Vicente Gilsanz: Reproducibility of Carotid Intima-Media Thickness Measurements in Young Adults
The results of our study indicate that carotid intima-media thickness measurements are greatly dependent on the method used for analysis, even after accounting for operator, equipment, and population.
Radiology 2008 247: 465-471. Published online before print March 18 2008, 10.1148/radiol.2472070691 [Abstract] [Figures Only] [Full Text] [PDF]

Musculoskeletal Imaging:

Markus B. Huber, Julio Carballido-Gamio, Jan S. Bauer, Thomas Baum, Felix Eckstein, Eva M. Lochmüller, Sharmila Majumdar, and Thomas M. Link: Proximal Femur Specimens: Automated 3D Trabecular Bone Mineral Density Analysis at Multidetector CT—Correlation with Biomechanical Strength Measurement
Regional quantitative CT bone mineral density (BMD) correlated less strongly with failure load than did dual-energy x-ray absorptiometry (DXA) BMD, but the best multiple regression model for predicting failure load included both DXA- and quantitative CT–derived BMD measurements.
Radiology 2008 247: 472-481 (DOI: 10.1148/radiol.2472070982); [Abstract] [Figures Only] [Full Text] [PDF] [MPEG Movie]

Anja-Carina Schulte, Markus Aschwanden, and Deniz Bilecen: Calf Muscles at Blood Oxygen Level–Dependent MR Imaging: Aging Effects at Postocclusive Reactive Hyperemia
The reduction of the total change in T2* and the delay in signal recovery were the most striking findings in the elderly group.
Radiology 2008 247: 482-489. Published online before print March 27 2008, 10.1148/radiol.2472070828 [Abstract] [Figures Only] [Full Text] [PDF]

Neuroradiology:

Meng Law, Robert J. Young, James S. Babb, Nicole Peccerelli, Sophie Chheang, Michael L. Gruber, Douglas C. Miller, John G. Golfinos, David Zagzag, and Glyn Johnson: Gliomas: Predicting Time to Progression or Survival with Cerebral Blood Volume Measurements at Dynamic Susceptibility-weighted Contrast-enhanced Perfusion MR Imaging
Our study findings indicate that the relative cerebral blood volume (CBV) measurement can be used to predict time to progression, clinical outcome, and glioma biology so that, with further optimization and improvements to automate postprocessing and quantitation techniques, the relative CBV measurement may provide an important imaging biomarker of glioma malignancy that may affect therapeutic choices and patient outcome.
Radiology 2008 247: 490-498. Published online before print March 18 2008, 10.1148/radiol.2472070898 [Abstract] [Figures Only] [Full Text] [PDF]

Alice B. Smith, William P. Dillon, Benison C. Lau, Robert Gould, Francis R. Verdun, Edward B. Lopez, and Max Wintermark: Radiation Dose Reduction Strategy for CT Protocols: Successful Implementation in Neuroradiology Section
We recommend routine use of dose modulation for neuroradiology CT examinations, because this approach affords a significant dose reduction while preserving image quality.
Radiology 2008 247: 499-506. Published online before print March 27 2008, 10.1148/radiol.2472071054 [Abstract] [Full Text] [PDF] [Appendix E1][Supplemental Tables]

Nuclear Medicine:

Kent T. Sato, Robert J. Lewandowski, Mary F. Mulcahy, Bassel Atassi, Robert K. Ryu, Vanessa L. Gates, Albert A. Nemcek, Jr, Omar Barakat, Al Benson, III, Robert Mandal, Mark Talamonti, Ching-Yee O. Wong, Frank H. Miller, Steven B. Newman, John M. Shaw, Kenneth G. Thurston, Reed A. Omary, and Riad Salem: Unresectable Chemorefractory Liver Metastases: Radioembolization with ⁹⁰Y Microspheres—Safety, Efficacy, and Survival
Radioembolization represents a treatment option in patients with chemorefractory liver metastases.
Radiology 2008 247: 507-515. Published online before print March 18 2008, 10.1148/radiol.2472062029 [Abstract] [Figures Only] [Full Text] [PDF]

Obstetric Imaging:

Deborah Levine, Henry A. Feldman, João F. Kazan Tannus, Judy A. Estroff, Melissa Magnino, Caroline D. Robson, Tina Y. Poussaint, Carol E. Barnewolt, Tejas S. Mehta, and Richard L. Robertson: Frequency and Cause of Disagreements in Diagnoses for Fetuses Referred for Ventriculomegaly
Of radiologists who read high-risk obstetric ultrasonography and fetal magnetic resonance images for ventriculomegaly there is considerable variability in central nervous system diagnoses.
Radiology 2008 247: 516-527 (DOI: 10.1148/radiol.2472071067); [Abstract] [Figures Only] [Full Text] [PDF]

Pediatric Imaging:

Steven E. Zgleszewski, David Zurakowski, Paulette J. Fontaine, Margaret D'Angelo, and Keira P. Mason: Is Propofol a Safe Alternative to Pentobarbital for Sedation during Pediatric Diagnostic CT?
The incidence of adverse airway events and the subsequent need for airway expertise to relieve symptoms of airway obstruction were significantly greater in the propofol group than in the pentobarbital group.
Radiology 2008 247: 528-534 (DOI: 10.1148/radiol.2472062087); [Abstract] [Figures Only] [Full Text] [PDF]

Technical Developments:

Axel Gossmann, Christopher Bangard, Mathias Warm, Rita K. Schmutzler, Peter Mallmann, and Klaus-Jürgen Lackner: Real-time MR-guided Wire Localization of Breast Lesions by Using an Open 1.0-T Imager: Initial Experience
The results of this study show that real-time magnetic resonance (MR) imaging–guided wire localization of suspicious breast lesions by using an open 1.0-T imager permits correction of the needle position during placement and reduces the interventional procedure time.
Radiology 2008 247: 535-542. Published online before print March 18 2008, 10.1148/radiol.2472071039 [Abstract] [Figures Only] [Full Text] [PDF] [AVI Movies]

Michael Muntener, Alexandru Patriciu, Doru Petrisor, Michael Schär, Daniel Ursu, Danny Y. Song, and Dan Stoianovici: Transperineal Prostate Intervention: Robot for Fully Automated MR Imaging—System Description and Proof of Principle in a Canine Model
Our robotic system is capable of very precise needle positioning with MR imaging guidance within a standard closed-bore MR imager.
Radiology 2008 247: 543-549 (DOI: 10.1148/radiol.2472070737); [Abstract] [Figures Only] [Full Text] [PDF]

Declan P. O'Regan, Martina F. Callaghan, Marzena Wylezinska-Arridge, Julie Fitzpatrick, Rossi P. Naoumova, Joseph V. Hajnal, and Stephan A. Schmitz: Liver Fat Content and T2*: Simultaneous Measurement by Using Breath-hold Multiecho MR Imaging at 3.0 T—Feasibility
Results of our feasibility study show that multiecho MR imaging provides a technique for quantifying liver fat content that is highly correlated with T2-corrected proton spectroscopy.
Radiology 2008 247: 550-557. Published online before print March 18 2008, 10.1148/radiol.2472070880 [Abstract] [Figures Only] [Full Text] [PDF]

Thoracic Imaging:

Charles Y. Kim, Rizvan A. Mirza, Joshua A. Bryant, Eric D. Whiting, David M. Delong, Charles E. Spritzer, and Elmar M. Merkle: Central Veins of the Chest: Evaluation with Time-resolved MR Angiography
The addition of time-resolved angiographic images to the traditionally used static high-spatial-resolution contrast-enhanced data sets resulted in a significant improvement in specificity for the detection of occlusions of the central veins of the chest for the faculty readers, probably because of improved depiction of collateral vessels, without increasing the time needed for study interpretation.
Radiology 2008 247: 558-566. Published online before print March 18 2008, 10.1148/radiol.2472070790 [Abstract] [Figures Only] [Full Text] [PDF]

Vascular and Interventional Radiology:

Michael D. Beland, Debra A. Gervais, Diane A. Levis, Peter F. Hahn, Ronald S. Arellano, and Peter R. Mueller: Complex Abdominal and Pelvic Abscesses: Efficacy of Adjunctive Tissue-Type Plasminogen Activator for Drainage
The use of intracavitary tissue-type plasminogen activator in abdominal and pelvic abscesses that are refractory to simple catheter drainage is associated with a high effectiveness (89.1% [41 of 46] in our series) and appears safe, with no local bleeding complications encountered.
Radiology 2008 247: 567-573. Published online before print March 27 2008, 10.1148/radiol.2472070761 [Abstract] [Figures Only] [Full Text] [PDF]

Jin-He Guo, Gao-Jun Teng, Guang-Yu Zhu, Shi-Cheng He, Wen Fang, Gang Deng, and Guo-Zhao Li: Self-expandable Esophageal Stent Loaded with ¹²⁵I Seeds: Initial Experience in Patients with Advanced Esophageal Cancer
With increased survival combined with decreased dysphagia grades, our study findings indicate that therapy with an irradiation stent loaded with ¹²⁵I seeds has potential benefit in patients with advanced esophageal cancer.
Radiology 2008 247: 574-581. Published online before print March 18 2008, 10.1148/radiol.2472070999 [Abstract] [Figures Only] [Full Text] [PDF]

SIGNS IN IMAGING:

Meghan G. Lubner: The Incomplete Fissure Sign
Given the prevalence of both pleural effusion and an incomplete fissure, the incomplete fissure sign can be a useful tool in daily practice to avoid confusing aerated lung with a pathologic air collection in the chest.
Radiology 2008 247: 589-590 (DOI: 10.1148/radiol.2472050864); [Figures Only] [Full Text] [PDF]

DIAGNOSIS PLEASE:

Cicero Jose Torres de Amorim e Silva and A. Michelle Fink: Case 137
Radiology 2008 247: 582-584 (DOI: 10.1148/radiol.2472050724); [Figures Only] [Full Text] [PDF]

Ashok Srinivasan, Mayank Goyal, and Michael Kingstone: Case 133: Ecchordosis Physaliphora
Ecchordosis physaliphora is a congenital malformation that needs to be considered in the differential diagnosis of retroclival lesions and can be distinguished from other more common retroclival disease by using imaging features, especially an osseous stalk.
Radiology 2008 247: 585-588 (DOI: 10.1148/radiol.2472050101); [Figures Only] [Full Text] [PDF]

DEPARTMENTS:

: This Month in Radiology
Radiology 2008 247: 15-16 (DOI: 10.1148/radiol.2472200815); [PDF]

: Publication Information for Authors
Radiology 2008 247: [Full Text]