Science to Practice:

Amir H. Khandani and Richard C. Semelka

Can the Relation between Gadopentetate Dimeglumine and FDG Uptake in Colorectal Liver Metastases Be Used Clinically?
Dynamic contrast-enhanced MR imaging has great potential for use in diagnosis of disease and monitoring of therapy.
Radiology 2005 237: 1-2 (DOI: 10.1148/radiol.2371050766); [Figures Only] [Full Text] [PDF]  

Special Series:

Jeffrey A. Cooper

Responsible Conduct of Radiology Research: Part III. Exemptions from Regulatory Requirements for Human Research
In the case of research that is exempt from the Department of Health and Human Services regulations, the institutional review board or an authority other than the investigator should make the determination of whether a proposed research activity is exempt from the regulations.
Radiology 2005 237: 3-7 (DOI: 10.1148/radiol.2371031636); [Abstract] [Figures Only] [Full Text] [PDF]  

Special Communications:

Hedvig Hricak

Congratulations to the 2005 Editorial Fellows
Radiology 2005 237: 12-13 (DOI: 10.1148/radiol.2371052527); [Figures Only] [Full Text] [PDF]  

President's Address:

Brian C. Lentle

Radiology: Beyond Borders
There is a worldwide trend toward individual and group internationalization by medical specialties, and radiology is in the forefront of this movement.
Radiology 2005 237: 8-11 (DOI: 10.1148/radiol.2371050014); [Figures Only] [Full Text] [PDF]  

Perspectives:

James H. Thrall

Reinventing Radiology in the Digital Age: Part II. New Directions and New Stakeholder Value
Newcomers to radiology and medicine will increasingly accept that work in an all-digital environment is intrinsic to radiology, and they will not give the barriers to its original accomplishment a second thought.
Radiology 2005 237: 15-18 (DOI: 10.1148/radiol.2371050258); [Full Text] [PDF]  

Historical Perspectives:

Ann M. Lewicki

American Association for Women Radiologists: Its Birth and 25 Years Later
All women in radiology, whether they are American Association for Women Radiologists (AAWR) members or not, benefit from the advocacy of the AAWR.
Radiology 2005 237: 19-25 (DOI: 10.1148/radiol.2371042149); [Figures Only] [Full Text] [PDF]  

Special Notices:

Kelly K. Koeller

Marilyn J. Siegel, MD, Armed Forces Institute of Pathology 2005–2006 Distinguished Scientist
Radiology 2005 237: 14 (DOI: 10.1148/radiol.2371050798); [Figures Only] [Full Text] [PDF]  

Special Review:

Jacob Sosna, Tamar Sella, Dorith Shaham, Shmuel C. Shapira, Abraham Rivkind, Allan I. Bloom, and Eugene Libson

Facing the New Threats of Terrorism: Radiologists' Perspectives Based on Experience in Israel
Because of the complexity of injuries encountered in terror attack patients, fast and accurate imaging plays an essential role in triage and evaluation of the injured.
Radiology 2005 237: 28-36. Published online before print October 2005 11 2005, 10.1148/radiol.2371040585 [Abstract] [Figures Only] [Full Text] [PDF]  

Breast Imaging:

Per Skaane, Corinne Balleyguier, Felix Diekmann, Susanne Diekmann, Jean-Charles Piguet, Kari Young, and Loren T. Niklason

Breast Lesion Detection and Classification: Comparison of Screen-Film Mammography and Full-Field Digital Mammography with Soft-copy Reading—Observer Performance Study
In the present study, results of the receiver operating characteristic analyses showed a slightly higher overall reader diagnostic performance rating with digital mammography, compared with screen-film mammography, although the difference was not statistically significant.
Radiology 2005 237: 37-44. Published online before print October 2005 11 2005, 10.1148/radiol.2371041605 [Abstract] [Figures Only] [Full Text] [PDF]  

Federica Pediconi, Carlo Catalano, Rossella Occhiato, Fiammetta Venditti, Francesco Fraioli, Alessandro Napoli, Miles A. Kirchin, and Roberto Passariello

Breast Lesion Detection and Characterization at Contrast-enhanced MR Mammography: Gadobenate Dimeglumine versus Gadopentetate Dimeglumine
The results of the present study confirm the conclusions of a previous investigation that the high T1 relaxivity of gadobenate dimeglumine compared with that of gadopentetate dimeglumine is beneficial for contrast-enhanced MR mammography.
Radiology 2005 237: 45-56. Published online before print October 2005 26 2005, 10.1148/radiol.2371041369 [Abstract] [Figures Only] [Full Text] [PDF]  

Quing Zhu, Edward B. Cronin, Allen A. Currier, Hugh S. Vine, Minming Huang, NanGuang Chen, and Chen Xu

Benign versus Malignant Breast Masses: Optical Differentiation with US-guided Optical Imaging Reconstruction
We believe that our technique, which incorporates optical tomography and US localization, has demonstrated great potential to noninvasively distinguish malignant from benign breast masses and thereby potentially reduce the number of benign biopsy results.
Radiology 2005 237: 57-66 (DOI: 10.1148/radiol.2371041236); [Abstract] [Figures Only] [Full Text] [PDF]  

Cardiac Imaging:

Michael Fenchel, Andreas Franow, Norbert I. Stauder, Ulrich Kramer, Uwe Helber, Claus D. Claussen, and Stephan Miller

Myocardial Perfusion after Angioplasty in Patients Suspected of Having Single-Vessel Coronary Artery Disease: Improvement Detected at Rest-Stress First-Pass Perfusion MR Imaging—Initial Experience
In assessment of the value of MR imaging in the follow-up of patients with coronary artery disease after coronary intervention, our data revealed that rest-stress perfusion MR imaging can be used to noninvasively determine the effects of coronary angioplasty on myocardial perfusion.
Radiology 2005 237: 67-74. Published online before print October 2005 26 2005, 10.1148/radiol.2371041026 [Abstract] [Figures Only] [Full Text] [PDF]  

Jean-Pierre Laissy, Fabien Hyafil, Laurent J. Feldman, Jean-Michel Juliard, Elisabeth Schouman-Claeys, P. Gabriel Steg, and Marc Faraggi

Differentiating Acute Myocardial Infarction from Myocarditis: Diagnostic Value of Early- and Delayed-Perfusion Cardiac MR Imaging
The present study results show that several MR imaging patterns may help to distinguish acute myocarditis from acute myocardial infarction—on both first-pass perfusion images and delayed-enhancement images.
Radiology 2005 237: 75-82. Published online before print October 2005 26 2005, 10.1148/radiol.2371041322 [Abstract] [Figures Only] [Full Text] [PDF]  

Computer Applications:

Jane P. Ko, Jeffrey Chang, Elan Bomsztyk, James S. Babb, David P. Naidich, and Henry Rusinek

Effect of CT Image Compression on Computer-assisted Lung Nodule Volume Measurement
Nodule volume measurements obtained on images compressed to a level of 20:1 differed significantly from those obtained on original noncompressed images, especially for nodules with ground-glass attenuation.
Radiology 2005 237: 83-88. Published online before print October 2005 26 2005, 10.1148/radiol.2371041079 [Abstract] [Figures Only] [Full Text] [PDF]  

Contrast Media:

David A. Bluemke, Dushyant Sahani, Marco Amendola, Thomas Balzer, Josy Breuer, Jeffrey J. Brown, David D. Casalino, Peter L. Davis, Isaac R. Francis, Glenn Krinsky, Fred T. Lee, Jr, David Lu, Erik K. Paulson, Lawrence H. Schwartz, Evan S. Siegelman for the Group

Efficacy and Safety of MR Imaging with Liver-specific Contrast Agent: U.S. Multicenter Phase III Study
In our study, for unblinded site investigators and all blinded readers, 6%–9% more lesions were detected with precontrast and postcontrast MR imaging combined than were detected with precontrast MR imaging alone.
Radiology 2005 237: 89-98. Published online before print October 2005 26 2005, 10.1148/radiol.2371031842 [Abstract] [Figures Only] [Full Text] [PDF]  

Diagnosis Please:

Malai Muttarak and Wilfred C. G. Peh

Case 91
Radiology 2005 237: 99-100 (DOI: 10.1148/radiol.2371031850); [Figures Only] [Full Text] [PDF]  

Michelle J. Naidich and Sam U. Ho

Case 87: Subacute Combined Degeneration
Bilateral paired T2 hyperintensity within the dorsal columns, when seen on MR images, is strongly suggestive of subacute combined degeneration, even in the absence of confirmation of the neurologic signs and symptoms.
Radiology 2005 237: 101-105 (DOI: 10.1148/radiol.2371031757); [Figures Only] [Full Text] [PDF]  

Emergency Radiology:

Gerard J. Hogan, Stuart E. Mirvis, Kathirkamanathan Shanmuganathan, and Thomas M. Scalea

Exclusion of Unstable Cervical Spine Injury in Obtunded Patients with Blunt Trauma: Is MR Imaging Needed when Multi–Detector Row CT Findings Are Normal?
A normal multi–detector row CT scan of the cervical spine in obtunded patients with blunt trauma enabled us to exclude unstable injury, contiguous two- or three-column injury, or injury necessitating surgical fixation.
Radiology 2005 237: 106-113 (DOI: 10.1148/radiol.2371040697); [Abstract] [Figures Only] [Full Text] [PDF]  

Andrew B. MacKersie, Michael J. Lane, Robert T. Gerhardt, Harry A. Claypool, Sean Keenan, Douglas S. Katz, and Jonathan E. Tucker

Nontraumatic Acute Abdominal Pain: Unenhanced Helical CT Compared with Three-View Acute Abdominal Series
Unenhanced helical CT is an effective technique in the evaluation of patients with nontraumatic acute abdominal pain, and it should be considered as an alternative to abdominal radiography as the initial imaging modality.
Radiology 2005 237: 114-122 (DOI: 10.1148/radiol.2371040066); [Abstract] [Figures Only] [Full Text] [PDF]  

Evidence-based Practice:

Shandra Bipat, Maarten S. van Leeuwen, Emile F. I. Comans, Milan E. J. Pijl, Patrick M. M. Bossuyt, Aeilko H. Zwinderman, and Jaap Stoker

Colorectal Liver Metastases: CT, MR Imaging, and PET for Diagnosis—Meta-analysis
The choice between portal phase helical CT performed with more than 45 g of iodine and MR imaging with a gadolinium-based contrast agent or superparamagnetic iron oxide should, therefore, also depend on availability and expertise, and not on diagnostic accuracy only.
Radiology 2005 237: 123-131. Published online before print October 2005 11 2005, 10.1148/radiol.2371042060 [Abstract] [Figures Only] [Full Text] [PDF]  

Experimental Studies:

Kenji Takegami, Yukio Kaneko, Toshiaki Watanabe, Shunsuke Watanabe, Toshiyuki Maruyama, Yoichiro Matsumoto, and Hirokazu Nagawa

Heating and Coagulation Volume Obtained with High-Intensity Focused Ultrasound Therapy: Comparison of Perflutren Protein-Type A Microspheres and MRX-133 in Rabbits
We conclude that MRX-133 has greater efficiency than perflutren protein-type A microspheres in high-intensity focused ultrasound-induced heating and target coagulation of rabbit liver tissue.
Radiology 2005 237: 132-136. Published online before print October 2005 26 2005, 10.1148/radiol.2371041430 [Abstract] [Figures Only] [Full Text] [PDF]  

Douglas L. Miller, Peng Li, Chunyan Dou, David Gordon, Chris A. Edwards, and William F. Armstrong

Influence of Contrast Agent Dose and Ultrasound Exposure on Cardiomyocyte Injury Induced by Myocardial Contrast Echocardiography in Rats
The cardiomyocyte injury revealed with Evans blue dye staining 1 day after myocardial contrast echocardiography in the rats depended on the user-selected contrast agent dose and the US scanning power settings.
Radiology 2005 237: 137-143 (DOI: 10.1148/radiol.2371041467); [Abstract] [Figures Only] [Full Text] [PDF]  

Zuxing Kan, Satoshi Kobayashi, Sith Phongkitkarun, and Chusilp Charnsangavej

Functional CT Quantification of Tumor Perfusion after Transhepatic Arterial Embolization in a Rat Model
The results of this study have shown that functional CT enables quantification of changes in tumor perfusion parameters after transcatheter arterial embolization.
Radiology 2005 237: 144-150 (DOI: 10.1148/radiol.2371040526); [Abstract] [Figures Only] [Full Text] [PDF]  

Zuxing Kan, Sith Phongkitkarun, Satoshi Kobayashi, Yi Tang, Lee M. Ellis, Ting Y. Lee, and Chusilp Charnsangavej

Functional CT for Quantifying Tumor Perfusion in Antiangiogenic Therapy in a Rat Model
Our study results have validated the idea that functional CT can be used to quantify tumor perfusion in tumor antiangiogenic therapy; functional CT can therefore help in exploring the mechanisms involved in antiangiogenic therapy and enabling the rational use of antiangiogenic therapy in tumor treatment.
Radiology 2005 237: 151-158 (DOI: 10.1148/radiol.2363041293); [Abstract] [Figures Only] [Full Text] [PDF]  

Gastrointestinal Imaging:

Okka W. Hamer, Diego A. Aguirre, Giovanna Casola, and Claude B. Sirlin

Imaging Features of Perivascular Fatty Infiltration of the Liver: Initial Observations
We have described a perivascular pattern of fatty infiltration of the liver that, to our knowledge, has not previously been reported.
Radiology 2005 237: 159-169. Published online before print October 2005 11 2005, 10.1148/radiol.2371041580 [Abstract] [Figures Only] [Full Text] [PDF]  

Janice Ward, Philip J. Robinson, J. Ashley Guthrie, Susan Downing, Daniel Wilson, J. Peter A. Lodge, K. Rajedra Prasad, Giles J. Toogood, and Judith I. Wyatt

Liver Metastases in Candidates for Hepatic Resection: Comparison of Helical CT and Gadolinium- and SPIO-enhanced MR Imaging
The detection of lesions that are 1.0 cm or smaller appears to be improved substantially with superparamagnetic iron oxide–enhanced MR imaging, which also is associated with an extremely low false-positive rate when it is combined with unenhanced T1- and T2-weighted MR sequences.
Radiology 2005 237: 170-180. Published online before print October 2005 26 2005, 10.1148/radiol.2371041444 [Abstract] [Figures Only] [Full Text] [PDF]  

Hanneke W. M. van Laarhoven, Lioe-Fee de Geus-Oei, Bastiaan Wiering, Jasper Lok, Mark Rijpkema, Johannes H. A. M. Kaanders, Paul F. M. Krabbe, Theo Ruers, Cornelis J. A. Punt, Albert J. van der Kogel, Wim J. G. Oyen, and Arend Heerschap

Gadopentetate Dimeglumine and FDG Uptake in Liver Metastases of Colorectal Carcinoma as Determined with MR Imaging and PET
The observed negative correlation between rate constant k_ep and fluorine 18 fluorodeoxyglucose tumor-to-nontumor ratios suggests that differences in tumor oxygenation rather than differences in fluorine 18 fluorodeoxyglucose delivery are a driving force for fluorine 18 fluorodeoxyglucose uptake in colorectal liver metastases.
Radiology 2005 237: 181-188 (DOI: 10.1148/radiol.2371041397); [Abstract] [Figures Only] [Full Text] [PDF]  

Denis Tack, Pascale Bohy, Ingrid Perlot, Viviane De Maertelaer, Orfan Alkeilani, Stavroula Sourtzis, and Pierre Alain Gevenois

Suspected Acute Colon Diverticulitis: Imaging with Low-Dose Unenhanced Multi–Detector Row CT
In patients suspected of having acute colon diverticulitis, low-dose unenhanced multi–detector row CT has a diagnostic performance that is similar to that of contrast-enhanced standard-dose multi–detector row CT.
Radiology 2005 237: 189-196. Published online before print October 2005 26 2005, 10.1148/radiol.2371041432 [Abstract] [Figures Only] [Full Text] [PDF]  

Genitourinary Imaging:

Elizabeth P. Ives, Leonard G. Gomella, and Ethan J. Halpern

Effect of Dutasteride Therapy on Doppler US Evaluation of Prostate: Preliminary Results
Short-term dutasteride therapy reduces Doppler US flow in the prostate, including in areas of prostatitis, and may improve the depiction of hypervascular cancer.
Radiology 2005 237: 197-201 (DOI: 10.1148/radiol.2371041543); [Abstract] [Figures Only] [Full Text] [PDF]  

Head and Neck Imaging:

Andrej Lyshchik, Tatsuya Higashi, Ryo Asato, Shinzo Tanaka, Juichi Ito, Jerome J. Mai, Claire Pellot-Barakat, Michael F. Insana, Aaron B. Brill, Tsuneo Saga, Masahiro Hiraoka, and Kaori Togashi

Thyroid Gland Tumor Diagnosis at US Elastography
Elastography is a promising imaging technique that can assist in the differential diagnosis of thyroid cancer.
Radiology 2005 237: 202-211. Published online before print October 2005 18 2005, 10.1148/radiol.2363041248 [Abstract] [Figures Only] [Full Text] [PDF]  

Medical Physics:

Tom H. Mulkens, Patrick Bellinck, Michel Baeyaert, Dirk Ghysen, Xavier Van Dijck, Elvier Mussen, Caroline Venstermans, and Jean-Luc Termote

Use of an Automatic Exposure Control Mechanism for Dose Optimization in Multi–Detector Row CT Examinations: Clinical Evaluation
The use of a tube current modulation system that is based on both angular and z-axis modulation is simple and clear: Once the standard reference tube current level of each scanning protocol is adapted to a level of adequate image quality for a normal-sized patient, it works as an automatic exposure control mechanism and adapts the dose to the individual patient size, without need for further modifications.
Radiology 2005 237: 213-223. Published online before print October 2005 26 2005, 10.1148/radiol.2363041220 [Abstract] [Figures Only] [Full Text] [PDF]  

Molecular Imaging:

Xinghua Wang, Hai-Dong Liang, Baowei Dong, Qi-Long Lu, and Martin J. K. Blomley

Gene Transfer with Microbubble Ultrasound and Plasmid DNA into Skeletal Muscle of Mice: Comparison between Commercially Available Microbubble Contrast Agents
Microbubble ultrasound enhanced gene transfer while reducing tissue damage; hence, it may provide a safe and effective method for enhancing gene transfer to dystrophic muscles, thereby increasing the prospects for therapeutic application of naked DNA in muscular dystrophy and for other applications.
Radiology 2005 237: 224-229. Published online before print October 2005 4 2005, 10.1148/radiol.2371040805 [Abstract] [Figures Only] [Full Text] [PDF]  

Musculoskeletal Imaging:

Dayna Levin, Levon N. Nazarian, Theodore T. Miller, Patrick L. O'Kane, Rick I. Feld, Laurence Parker, and John M. McShane

Lateral Epicondylitis of the Elbow: US Findings
Calcification within the common extensor tendon, tendon thickening, adjacent bone irregularity, focal hypoechoic regions in the tendon, and diffuse tendon heterogeneity were all significantly associated with symptoms.
Radiology 2005 237: 230-234. Published online before print October 2005 18 2005, 10.1148/radiol.2371040784 [Abstract] [Figures Only] [Full Text] [PDF]  

Monica K. Brigido, David P. Fessell, Jon A. Jacobson, David S. Widman, Joseph G. Craig, David A. Jamadar, and Marnix T. van Holsbeeck

Radiography and US of Os Peroneum Fractures and Associated Peroneal Tendon Injuries: Initial Experience
Os peroneum fragment separation of 6 mm or more suggests os peroneum fracture and an associated full-thickness peroneus longus tendon tear.
Radiology 2005 237: 235-241 (DOI: 10.1148/radiol.2371041067); [Abstract] [Figures Only] [Full Text] [PDF]  

Bernard Mengiardi, Marco Zanetti, Philip B. Schöttle, Patrick Vienne, Beata Bode, Juerg Hodler, and Christian W. A. Pfirrmann

Spring Ligament Complex: MR Imaging–Anatomic Correlation and Findings in Asymptomatic Subjects
The superomedial calcaneonavicular ligament (CNL) and the inferoplantar longitudinal CNL were consistently visible portions of the spring ligament complex, whereas the medioplantar oblique CNL was thinner, was seen less consistently, and had mainly a characteristic striated appearance.
Radiology 2005 237: 242-249. Published online before print October 2005 18 2005, 10.1148/radiol.2371041065 [Abstract] [Figures Only] [Full Text] [PDF]  

Neuroradiology:

Alison D. Murray, Roger T. Staff, Susan D. Shenkin, Ian J. Deary, John M. Starr, and Lawrence J. Whalley

Brain White Matter Hyperintensities: Relative Importance of Vascular Risk Factors in Nondemented Elderly People
In this well-characterized cohort of elderly people, all born in 1921, we found that an elevated level of glycated hemoglobin was the strongest predictor of deep white matter and periventricular hyperintensities.
Radiology 2005 237: 251-257. Published online before print October 2005 26 2005, 10.1148/radiol.2371041496 [Abstract] [Figures Only] [Full Text] [PDF]  

Mirco Cosottini, Marco Giannelli, Gabriele Siciliano, Guido Lazzarotti, Maria Chiara Michelassi, Alberto Del Corona, Carlo Bartolozzi, and Luigi Murri

Diffusion-Tensor MR Imaging of Corticospinal Tract in Amyotrophic Lateral Sclerosis and Progressive Muscular Atrophy
Such diffusion-tensor imaging parameters as mean diffusivity and fractional anisotropy obtained along the corticospinal tracts enable the differentiation of patients with amyotrophic lateral sclerosis from control subjects.
Radiology 2005 237: 258-264 (DOI: 10.1148/radiol.2371041506); [Abstract] [Figures Only] [Full Text] [PDF]  

Athos D. Patsalides, Gokce Atac, Upendra Hedge, John Janik, Nicole Grant, Elaine S. Jaffe, Andrew Dwyer, Nicholas J. Patronas, and Wyndham H. Wilson

Lymphomatoid Granulomatosis: Abnormalities of the Brain at MR Imaging
On follow-up MR images obtained during and after treatment, there was complete resolution of all but seven punctate brain lesions that exhibited T2 prolongation and abnormal enhancement.
Radiology 2005 237: 265-273. Published online before print October 2005 11 2005, 10.1148/radiol.2371041087 [Abstract] [Figures Only] [Full Text] [PDF]  

Nuclear Medicine:

Rachel F. Brem, Jocelyn A. Rapelyea, Gilat Zisman, Kevin Mohtashemi, Joyce Raub, Christine B. Teal, Stan Majewski, and Benjamin L. Welch

Occult Breast Cancer: Scintimammography with High-Resolution Breast-specific Gamma Camera in Women at High Risk for Breast Cancer
This study demonstrates that a high-resolution breast-specific gamma camera can depict small (<1-cm), mammographically occult, nonpalpable lesions in women at increased risk for breast cancer.
Radiology 2005 237: 274-280. Published online before print October 2005 26 2005, 10.1148/radiol.2371040758 [Abstract] [Figures Only] [Full Text] [PDF]  

Gerhard W. Goerres, Daniel T. Schmid, Bernhard Schuknecht, and Gerold K. Eyrich

Bone Invasion in Patients with Oral Cavity Cancer: Comparison of Conventional CT with PET/CT and SPECT/CT
Our data suggest that the identification of bone involvement in patients with oral cavity carcinomas is reliably performed with helical CT and thin sections.
Radiology 2005 237: 281-287. Published online before print October 2005 18 2005, 10.1148/radiol.2371041228 [Abstract] [Figures Only] [Full Text] [PDF]  

Pediatric Imaging:

Pamela A. Sanborn, Edward Michna, David Zurakowski, Patricia E. Burrows, Paulette J. Fontaine, Linda Connor, and Keira P. Mason

Adverse Cardiovascular and Respiratory Events during Sedation of Pediatric Patients for Imaging Examinations
On the basis of our findings, consideration should be given to using single sedative agents and avoiding the use of multidrug sedation regimens.
Radiology 2005 237: 288-294 (DOI: 10.1148/radiol.2371041415); [Abstract] [Figures Only] [Full Text] [PDF]  

Radiation Oncology:

Atsuya Takeda, Etsuo Kunieda, Naoyuki Shigematsu, Deloar M. Hossain, Takatsugu Kawase, Toshio Ohashi, Jun-ichi Fukada, Osamu Kawaguchi, Minoru Uematsu, Toshiaki Takeda, Kazuhiko Takemasa, Takeshige Takahashi, and Atsushi Kubo

Small Lung Tumors: Long-Scan-Time CT for Planning of Hypofractionated Stereotactic Radiation Therapy—Initial Findings
Long-scan-time CT was capable of depicting virtually the entire trajectory of tumor movement during normal respiration.
Radiology 2005 237: 295-300. Published online before print October 2005 18 2005, 10.1148/radiol.2371032102 [Abstract] [Figures Only] [Full Text] [PDF]  

Signs in Imaging:

Arumugam Rajesh

The Ring Sign
The characteristic features of the sign are a round or oval pericolonic lesion with attenuation that is either the same as or higher than that of normal peritoneal fat and a thickened hyperattenuating rim that represents the ring.
Radiology 2005 237: 301-302 (DOI: 10.1148/radiol.2371031627); [Figures Only] [Full Text] [PDF]  

Thoracic Imaging:

Stephen E. Jones and Conrad Wittram

The Indeterminate CT Pulmonary Angiogram: Imaging Characteristics and Patient Clinical Outcome
Our results show that 6.6% of CT pulmonary angiograms are indeterminate, mostly because of respiratory motion, followed by poor bolus enhancement.
Radiology 2005 237: 329-337 (DOI: 10.1148/radiol.2371041520); [Abstract] [Figures Only] [Full Text] [PDF]  

Boon Han Kwek and Conrad Wittram

Postpneumonectomy Pulmonary Artery Stump Thrombosis: CT Features and Imaging Follow-up
Our data suggest a rather benign natural history of postpneumonectomy artery stump thrombosis, since no propagation of the thrombus was seen outside the stump.
Radiology 2005 237: 338-341. Published online before print October 2005 26 2005, 10.1148/radiol.2371041686 [Abstract] [Figures Only] [Full Text] [PDF]  

Amir Onn, Du Hwan Choe, Roy S. Herbst, Arlene M. Correa, Reginald F. Munden, Mylene T. Truong, Ara A. Vaporciyan, Takeshi Isobe, Michael Z. Gilcrease, and Edith M. Marom

Tumor Cavitation in Stage I Non–Small Cell Lung Cancer: Epidermal Growth Factor Receptor Expression and Prediction of Poor Outcome
Tumor cavitation is associated with epidermal growth factor receptor overexpression and is a predictor of poor outcome in patients with stage I non–small cell lung cancer.
Radiology 2005 237: 342-347 (DOI: 10.1148/radiol.2371041650); [Abstract] [Figures Only] [Full Text] [PDF]  

Ultrasonography:

Rathan M. Subramaniam, Rebekah Heath, Tina Chou, Kim Cox, Gavin Davis, and Michael Swarbrick

Deep Venous Thrombosis: Withholding Anticoagulation Therapy after Negative Complete Lower Limb US Findings
It is safe to exclude clinically symptomatic lower limb deep venous thrombosis with a single complete lower limb US examination, and anticoagulation therapy can be withheld, with a low failure rate.
Radiology 2005 237: 348-352. Published online before print October 2005 26 2005, 10.1148/radiol.2371041294 [Abstract] [Figures Only] [Full Text] [PDF]  

Vascular and Interventional Radiology:

Lawrence C. Chow, Alessandro Napoli, Matthew B. Klein, James Chang, and Geoffrey D. Rubin

Vascular Mapping of the Leg with Multi–Detector Row CT Angiography prior to Free-Flap Transplantation
Multi–detector row CT angiography provided a noninvasive means of obtaining information regarding vascular, soft-tissue, and osseous anatomy, which was useful for surgical planning prior to both lower leg reconstructive surgery and fibular free-flap harvesting.
Radiology 2005 237: 353-360. Published online before print October 2005 11 2005, 10.1148/radiol.2371040675 [Abstract] [Figures Only] [Full Text] [PDF]  

Takayuki Tohma, Akihiro Cho, Shinichi Okazumi, Harufumi Makino, Kiyohiko Shuto, Ryoyu Mochiduki, Katsuhiko Matsubara, Hisashi Gunji, and Takenori Ochiai

Communicating Arcade between the Right and Left Hepatic Arteries: Evaluation with CT and Angiography during Temporary Balloon Occlusion of the Right or Left Hepatic Artery
The communicating arcade may play an important role not only in the interlobar arterial collateral system of the liver but also in the blood supplies to the caudate lobe and hilar bile ducts.
Radiology 2005 237: 361-365. Published online before print October 2005 18 2005, 10.1148/radiol.2371040919 [Abstract] [Figures Only] [Full Text] [PDF]  

Mohamad E. Allaf, Ioannis M. Varkarakis, Sam B. Bhayani, Takeshi Inagaki, Louis R. Kavoussi, and Stephen B. Solomon

Pain Control Requirements for Percutaneous Ablation of Renal Tumors: Cryoablation versus Radiofrequency Ablation—Initial Observations
The data presented in this study imply that cryoablation of renal lesions is better tolerated than radiofrequency ablation.
Radiology 2005 237: 366-370. Published online before print October 2005 26 2005, 10.1148/radiol.2371040829 [Abstract] [Full Text] [PDF]  

Technical Developments:

Mannudeep K. Kalra, Stefania Rizzo, Michael M. Maher, Elkan F. Halpern, Thomas L. Toth, Jo-Anne O. Shepard, and Suzanne L. Aquino

Chest CT Performed with Z-Axis Modulation: Scanning Protocol and Radiation Dose
Z-axis modulation appears to provide acceptable image noise and diagnostic acceptability for multi–detector row chest CT, with substantial tube current–time product reduction at noise indexes of 10.0 (18%) and 12.5 (26%) HU compared with the fixed tube current technique.
Radiology 2005 237: 303-308 (DOI: 10.1148/radiol.2371041227); [Abstract] [Figures Only] [Full Text] [PDF]  

Stefania M. R. Rizzo, Mannudeep K. Kalra, Bernhard Schmidt, Rainer Raupach, Michael M. Maher, Michael A. Blake, and Sanjay Saini

CT Images of Abdomen and Pelvis: Effect of Nonlinear Three-dimensional Optimized Reconstruction Algorithm on Image Quality and Lesion Characteristics
The nonlinear three-dimensional optimized reconstruction algorithm assessed in our study can improve image noise without affecting image contrast, lesion conspicuity, or lesion detection with low-dose CT of the abdomen and pelvis.
Radiology 2005 237: 309-315 (DOI: 10.1148/radiol.2371041879); [Abstract] [Figures Only] [Full Text] [PDF] [Appendices]  

Hajime Sakuma, Yasutaka Ichikawa, Naohisa Suzawa, Tadanori Hirano, Katsutoshi Makino, Nozomu Koyama, Marc Van Cauteren, and Kan Takeda

Assessment of Coronary Arteries with Total Study Time of Less than 30 Minutes by Using Whole-Heart Coronary MR Angiography
Whole-heart coronary MR angiography with a navigator-gated steady-state sequence can enable reliable three-dimensional visualization of the entire coronary artery tree with a total study time of less than 30 minutes in patients suspected of having coronary artery disease.
Radiology 2005 237: 316-321. Published online before print October 2005 26 2005, 10.1148/radiol.2371040830 [Abstract] [Figures Only] [Full Text] [PDF]  

Steven W. Farraher, Hernan Jara, Kevin J. Chang, Andrew Hou, and Jorge A. Soto

Liver and Spleen Volumetry with Quantitative MR Imaging and Dual-Space Clustering Segmentation
The quantitative MR imaging–dual-space clustering volumetric technique described herein represents a technologic advancement over manual contour tracing because it has a strong linear correlation with the manual technique and is performed with reduced user input and in a shorter time.
Radiology 2005 237: 322-328. Published online before print October 2005 26 2005, 10.1148/radiol.2371041416 [Abstract] [Figures Only] [Full Text] [PDF]  

Letters to the Editor:

Ferris M. Hall, Edward A. Sickles, Constance Lehman, Rebecca Smith-Bindman, Bonnie C. Yankaskas, Berta M. Geller, Patricia A. Carney, and Karla Kerlikowske

Short-Interval Follow-up in Screening Mammography • Dr Sickles and colleagues respond:
Radiology 2005 237: 371-373 (DOI: 10.1148/radiol.2371050488); [Full Text] [PDF]  

Fabio Grizzi, Pier Carlo Muzzio, Shin Matsuoka, Yasuyuki Kurihara, Kunihiro Yagihashi, Hiroshi Niimi, and Yasuo Nakajima

The Morphologic Complexity of the Peripheral Solitary Pulmonary Nodule • Dr Matsuoka and colleagues respond:
Radiology 2005 237: 373-374 (DOI: 10.1148/radiol.2371050450); [Full Text] [PDF]  

Edward I. Bluth, Jan Albert Vos, and Rob G. A. Ackerstaff

Value of US in Selecting Patients for Carotid Angioplasty and Stent Placement • Drs Vos and Ackerstaff respond:
Radiology 2005 237: 374-375 (DOI: 10.1148/radiol.2371050432); [Full Text] [PDF]  

Ross Levatter, David J. Brenner, and Carl D. Elliston

Radiation Risk, Screening, and Standard CT: Further Reply to Brenner and Ellison • Dr Brenner and Mr Elliston respond:
Radiology 2005 237: 376-377 (DOI: 10.1148/radiol.2371050408); [Full Text] [PDF]  

In Memoriam:

Luther W. Brady and Seymour H. Levitt

Robert G. Parker, MD
Radiology 2005 237: 378 (DOI: 10.1148/radiol.2371052523); [Figures Only] [Full Text] [PDF]  

Book Reviews:

Diagnostic Nuclear Medicine: A Physics Perspective
Radiology 2005 237: 212 (DOI: 10.1148/radiol.2371052525); [Full Text] [PDF]  

Diagnostic Imaging: Brain
Radiology 2005 237: 250 (DOI: 10.1148/radiol.2371052524); [Full Text] [PDF]  

Departments:

Abstracts of Current Literature
Radiology 2005 237: 379-380 (DOI: 10.1148/radiol.2371042570); [Full Text] [PDF]  

Author Information:

Publication Information for Authors
Radiology 2005 237: [Full Text]

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