Radiology -- Table of Contents (245 [3])

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SCIENCE TO PRACTICE:

Martin R. Prince: Is There Replacement for Percentage Stenosis in Characterizing Occlusive Vascular Disease?
Lum et al (1) have developed an innovative approach combining undersampled projection imaging with phase-contrast MR angiography, bringing the total imaging time down to 11 minutes with retrospective electrocardiographic gating.
Radiology 2007 245: 617-618 (DOI: 10.1148/radiol.2453071331); [Figures Only] [Full Text] [PDF]

COMMUNICATIONS:

From the Editor:

Anthony V. Proto: Radiology 2007—Farewell
Radiology 2007 245: 619-621 (DOI: 10.1148/radiol.2453071685); [Full Text] [PDF]

Special Communications:

R. Gilbert Jost and Anthony V. Proto: Manuscript Reviewers: A Note of Thanks
Radiology 2007 245: 622-627 (DOI: 10.1148/radiol.2453071623); [Full Text] [PDF]

R. Gilbert Jost, Robert A. Halvorsen, and Anthony V. Proto: Book Reviewers: A Note of Thanks
Radiology 2007 245: 628 (DOI: 10.1148/radiol.2453071619); [Full Text] [PDF]

R. Gilbert Jost and Anthony V. Proto: Abstractors of Current Literature: A Note of Thanks
Radiology 2007 245: 629 (DOI: 10.1148/radiol.2453071620); [Full Text] [PDF]

: Trainee Research Prizes from the 2007 RSNA Scientific Assembly and Annual Meeting
Radiology 2007 245: 630-632 (DOI: 10.1148/radiol.2453072555); [Full Text] [PDF]

Letters to the Editor:

Marcus J. Schultz, Wolfgang Huber, Andreas Umgelter, Michael Franzen, and Wolfgang Reindl: N-acetylcysteine and/or Theophylline as a Preventive Measure for Contrast Agent–induced Nephropathy: We Should Use Better Markers for Detection of Renal Function
Radiology 2007 245: 918-919 (DOI: 10.1148/radiol.2453070337); [Full Text] [PDF]

Guillaume Bierry, Frauke Kellner, Cindy Barnig, Pamela K. Woodard, Lawrence R. Goodman, John G. Weg, and Paul D. Stein: Management of Patients with History of Adverse Effects to Contrast Media When Pulmonary Artery CT Angiography Is Required
Radiology 2007 245: 919-921 (DOI: 10.1148/radiol.2453070428); [Full Text] [PDF]

Anna Rita Larici, Lucio Calandriello, Fabio Maggi, Michela Torge, Lorenzo Bonomo, Gregory W. Gladish, Du Hwan Choe, Edith M. Marom, Bradley S. Sabloff, and Reginald F. Munden: Prevalence of Incidental Pulmonary Emboli in Oncology Patients
Radiology 2007 245: 921-922 (DOI: 10.1148/radiol.2453070355); [Full Text] [PDF]

Henning Meyer, Marc Dewey, Ahi Sema Issever, and Patrick Rogalla: How Multidetector CT Can Help Open Bike Locks
Radiology 2007 245: 921 (DOI: 10.1148/radiol.2453070425); [Figures Only] [Full Text] [PDF]

Erratum:

: Erratum
Radiology 2007 245: 922 (DOI: 10.1148/radiol.2453072556); [Full Text] [PDF]

In Memoriam:

Franz J. Wippold: Fred Jenner Hodges III, MD
Radiology 2007 245: 923 (DOI: 10.1148/radiol.2453072551); [Figures Only] [Full Text] [PDF]

REVIEWS AND COMMENTARY:

Editorials:

Johannes T. Heverhagen: Noise Measurement and Estimation in MR Imaging Experiments
Prior to each experiment setup, investigators need to assess which method of noise measurement would be feasible for their study and plan their experiments accordingly.
Radiology 2007 245: 638-639 (DOI: 10.1148/radiol.2453062151); [Full Text] [PDF]

William R. Hendee, George S. Bisset, III, E. Stephen Amis, Philip H. Heintz, and Richard L. Morin: An Opportunity for Radiology: Progress Report Following the Second Educational Summit
This article is a progress report on the four specific concerns targeted for the Dallas summit and presents the recommendations and remaining uncertainties emanating from the meeting.
Radiology 2007 245: 640-644 (DOI: 10.1148/radiol.2453070458); [Full Text] [PDF]

Molecular Imaging Series:

John M. Hoffman, Sanjiv S. Gambhir, and Gary J. Kelloff: Regulatory and Reimbursement Challenges for Molecular Imaging
There are many challenges ahead, but as many in the imaging community have envisioned, we are just beginning to offer capabilities to improve the health and welfare of patients with many diseases with use of molecular imaging.
Radiology 2007 245: 645-660 (DOI: 10.1148/radiol.2453060737); [Abstract] [Figures Only] [Full Text] [PDF]

How I Do It:

Dean D. T. Maglinte, Kumaresan Sandrasegaran, John C. Lappas, and Michael Chiorean: CT Enteroclysis
CT enteroclysis was developed to overcome the individual deficiencies and to combine the advantages of both barium enteroclysis and conventional abdominal CT examinations into one technique.
Radiology 2007 245: 661-671 (DOI: 10.1148/radiol.2453060798); [Abstract] [Figures Only] [Full Text] [PDF]

Review:

Charles S. White and Dick Kuo: Chest Pain in the Emergency Department: Role of Multidetector CT
Initial investigations suggest that CT angiography has considerable potential to streamline chest pain evaluation in the emergency department, but further investigation is imperative to establish its precise role.
Radiology 2007 245: 672-681 (DOI: 10.1148/radiol.2453061481); [Abstract] [Figures Only] [Full Text] [PDF]

Perspectives:

James H. Thrall: Changing Relationships between Radiologists and Hospitals • Part I. Background and Major Issues
To maintain the goodwill and synergy that have characterized the relationships between radiologists and hospitals for many years, both groups need to step back and review the directions they are taking to determine whether there are practice models that can meet their respective needs while acknowledging that the parameters of these models will likely be substantially different from those in the past.
Radiology 2007 245: 633-637 (DOI: 10.1148/radiol.2453071461); [Full Text] [PDF]

Book Reviews:

: Diagnostic Imaging: Obstetrics
Radiology 2007 245: 682 (DOI: 10.1148/radiol.2453072546); [Full Text] [PDF]

: Clinical MR Imaging: A Practical Approach, 2nd ed
Radiology 2007 245: 682 (DOI: 10.1148/radiol.2453072547); [Full Text] [PDF]

: Functional MRI: Basic Principles and Clinical Applications
Radiology 2007 245: 683 (DOI: 10.1148/radiol.2453072548); [Full Text] [PDF]

: Head & Neck Imaging: Case Review Series, 2nd ed
Radiology 2007 245: 683 (DOI: 10.1148/radiol.2453072549); [Full Text] [PDF]

ORIGINAL RESEARCH:

Breast Imaging:

Sanaz A. Jansen, Gillian M. Newstead, Hiroyuki Abe, Akiko Shimauchi, Robert A. Schmidt, and Gregory S. Karczmar: Pure Ductal Carcinoma in Situ: Kinetic and Morphologic MR Characteristics Compared with Mammographic Appearance and Nuclear Grade
Lesions with a mammographic appearance of a soft-tissue mass or pleomorphic, linear, or linear-branching calcifications, as well as mammographically occult (ie, depicted at MR only) lesions, were more likely to exhibit plateau or washout enhancement characteristics than were lesions with amorphous or indistinct calcifications and might represent more aggressive disease.
Radiology 2007 245: 684-691 (DOI: 10.1148/radiol.2453062061); [Abstract] [Figures Only] [Full Text] [PDF] [Appendix E1]

Wei Tse Yang, Deanna L. Lane, Huong T. Le-Petross, Lynne V. Abruzzo, and Homer A. Macapinlac: Breast Lymphoma: Imaging Findings of 32 Tumors in 27 Patients
Breast lymphomas manifest most frequently as a lobular or irregular mass with indistinct margins at mammography, and a solid, hypervascular irregular mass with indistinct margins or an echogenic boundary at US.
Radiology 2007 245: 692-702. Published online before print October 2 2007, 10.1148/radiol.2452061726 [Abstract] [Figures Only] [Full Text] [PDF]

Cardiac Imaging:

Dilek Oncel, Guray Oncel, and Ahmet Tastan: Effectiveness of Dual-Source CT Coronary Angiography for the Evaluation of Coronary Artery Disease in Patients with Atrial Fibrillation: Initial Experience
The recently introduced dual-source CT technology provides better temporal resolution and minimizes motion artifacts, which allows coronary angiography at higher heart rates, even in cases of arrhythmia.
Radiology 2007 245: 703-711 (DOI: 10.1148/radiol.2453070094); [Abstract] [Figures Only] [Full Text] [PDF]

Verônica Rolim S. Fernandes, Katherine C. Wu, Boaz D. Rosen, André Schmidt, Albert C. Lardo, Nael Osman, Henry R. Halperin, Gordon Tomaselli, Ronald Berger, David A. Bluemke, Eduardo Marbán, and João A. C. Lima: Enhanced Infarct Border Zone Function and Altered Mechanical Activation Predict Inducibility of Monomorphic Ventricular Tachycardia in Patients with Ischemic Cardiomyopathy
Enhanced border zone function in areas that contain a mixture of viable and nonviable tissue at the infarct interface is related to inducibility of monomorphic ventricular tachycardia in patients with ischemic cardiomyopathy.
Radiology 2007 245: 712-719. Published online before print October 2 2007, 10.1148/radiol.2452061615 [Abstract] [Figures Only] [Full Text] [PDF]

Evidence-based Practice:

Michèle Hamon, Rémy Morello, John W. Riddell, and Martial Hamon: Coronary Arteries: Diagnostic Performance of 16- versus 64-Section Spiral CT Compared with Invasive Coronary Angiography—Meta-Analysis
Increased clinical feasibility and improvement in image quality with fewer unassessable coronary artery segments leads to a significant increase in specificity and positive predictive value and represents a major advantage of 64-section CT compared with 16-section CT.
Radiology 2007 245: 720-731. Published online before print October 19 2007, 10.1148/radiol.2453061899 [Abstract] [Figures Only] [Full Text] [PDF] [Supplemental Figures]

Emilios E. Pakos, Haris D. Koumoulis, Andreas D. Fotopoulos, and John P. A. Ioannidis: Osteomyelitis: Antigranulocyte Scintigraphy with ^99mTc Radiolabeled Monoclonal Antibodies for Diagnosis—Meta-Analysis
The results of the present meta-analysis indicate that antigranulocyte scintigraphy with monoclonal antibodies has relatively high, but not perfect, diagnostic performance for the diagnosis of osteomyelitis.
Radiology 2007 245: 732-741. Published online before print September 26 2007, 10.1148/radiol.2452061877 [Abstract] [Figures Only] [Full Text] [PDF]

Experimental Studies:

Lynne M. Hurwitz, Robert E. Reiman, Terry T. Yoshizumi, Philip C. Goodman, Greta Toncheva, Giao Nguyen, and Carolyn Lowry: Radiation Dose from Contemporary Cardiothoracic Multidetector CT Protocols with an Anthropomorphic Female Phantom: Implications for Cancer Induction
Our estimates of cancer risk from a single coronary CT angiographic examination illustrate that although the relative risk is small in older patients, inappropriate use of this technology may result in a large number of additional cancer cases if many people in this age group are screened for coronary artery disease with this imaging modality.
Radiology 2007 245: 742-750. Published online before print October 8 2007, 10.1148/radiol.2453062046 [Abstract] [Figures Only] [Full Text] [PDF]

Darren P. Lum, Kevin M. Johnson, Russell K. Paul, Aquilla S. Turk, Daniel W. Consigny, Julie R. Grinde, Charles A. Mistretta, and Thomas M. Grist: Transstenotic Pressure Gradients: Measurement in Swine—Retrospectively ECG-gated 3D Phase-Contrast MR Angiography versus Endovascular Pressure-sensing Guidewires
Noninvasive estimation of transstenotic pressure gradients with retrospectively electrocardiographically gated phase-contrast MR angiography is a potentially powerful tool, providing another objective measure for grading the hemodynamic significance of a stenotic vascular lesion.
Radiology 2007 245: 751-760 (DOI: 10.1148/radiol.2453061946); [Abstract] [Figures Only] [Full Text] [PDF]

Grigorios Korosoglou, Wesley D. Gilson, Michael Schär, Ali Ustun, Lawrence V. Hofmann, Dara L. Kraitchman, and Matthias Stuber: Hind Limb Ischemia in Rabbit Model: T2-prepared versus Time-of-Flight MR Angiography at 3 T
The central findings of our study were that (a) both time-of-flight (TOF) and T2-prepared techniques are feasible for MR angiography of the peripheral vessels, without contrast agent administration, and (b) T2-prepared imaging is superior to TOF imaging in the identification of small and collateral vessels with low blood flow.
Radiology 2007 245: 761-769. Published online before print October 19 2007, 10.1148/radiol.2452062067 [Abstract] [Figures Only] [Full Text] [PDF] [AVI Movie]

Gastrointestinal Imaging:

Giulia A. Zamboni, Jonathan B. Kruskal, Charles M. Vollmer, Jovanna Baptista, Mark P. Callery, and Vassilios D. Raptopoulos: Pancreatic Adenocarcinoma: Value of Multidetector CT Angiography in Preoperative Evaluation
From our results, we conclude that in a specialized clinical and diagnostic setting, when using thin collimation, high contrast medium injection rate, and multiphasic imaging, multidetector CT angiography for pancreatic adenocarcinoma is a valuable preoperative tool with an effectively small number of aborted resections; there is no evidence from this retrospective study suggesting varying results from the various generations of multidetector CT scanners used.
Radiology 2007 245: 770-778. Published online before print October 19 2007, 10.1148/radiol.2453061795 [Abstract] [Figures Only] [Full Text] [PDF]

Lisa L. Chu, Bonnie N. Joe, Antonio C. A. Westphalen, Emily M. Webb, Fergus V. Coakley, and Benjamin M. Yeh: Patient-specific Time to Peak Abdominal Organ Enhancement Varies with Time to Peak Aortic Enhancement at MR Imaging
The times to peak enhancement of the liver, pancreas, and jejunum are linearly related to time to peak enhancement of the aorta, potentially allowing tailored patient- and organ-specific image delay optimization at contrast-enhanced MR imaging.
Radiology 2007 245: 779-787. Published online before print October 2 2007, 10.1148/radiol.2451061585 [Abstract] [Figures Only] [Full Text] [PDF]

Genitourinary Imaging:

Juliano F. Faria, Suzan M. Goldman, Jacob Szejnfeld, Homero Melo, Cláudio Kater, Philip Kenney, Martha P. Huayllas, Guilherme Demarchi, Viviane V. Francisco, Cássio Andreoni, Miguel Srougi, Valdemar Ortiz, and Nitamar Abdalla: Adrenal Masses: Characterization with in Vivo Proton MR Spectroscopy—Initial Experience
Multivoxel proton MR spectroscopy can be used to characterize and distinguish the various adrenal masses, yielding different spectral findings for adenomas, pheochromocytomas, carcinomas, and metastases.
Radiology 2007 245: 788-797 (DOI: 10.1148/radiol.2453061854); [Abstract] [Figures Only] [Full Text] [PDF]

Sung Bin Park, Jeong Kon Kim, Hyun Joo Lee, Hyuck Jae Choi, and Kyoung-Sik Cho: Hematuria: Portal Venous Phase Multi–Detector Row CT of the Bladder—A Prospective Study
Portal venous phase multi–detector row CT can provide high accuracy and reader agreement for bladder lesion detection in patients with painless gross hematuria and recurrent microscopic hematuria.
Radiology 2007 245: 798-805. Published online before print October 19 2007, 10.1148/radiol.2452061060 [Abstract] [Figures Only] [Full Text] [PDF]

Head and Neck Imaging:

Ann D. King, Anil T. Ahuja, David K. W. Yeung, Devin K. Y. Fong, Yolanda Y. P. Lee, Kenny I. K. Lei, and Gary M. K. Tse: Malignant Cervical Lymphadenopathy: Diagnostic Accuracy of Diffusion-weighted MR Imaging
We found a significant difference in diffusion-weighted MR imaging results for the three nodal cancers (the apparent diffusion coefficient value for lymphoma was less than that for nasopharyngeal carcinoma and less than that for squamous cell carcinoma) by using the single-section technique.
Radiology 2007 245: 806-813. Published online before print October 2 2007, 10.1148/radiol.2451061804 [Abstract] [Figures Only] [Full Text] [PDF] [Supplemental tables]

Musculoskeletal Imaging:

Linda J. Probyn, Lawrence M. White, David C. Salonen, George Tomlinson, and Erin L. Boynton: Recurrent Symptoms after Shoulder Instability Repair: Direct MR Arthrographic Assessment—Correlation with Second-Look Surgical Evaluation
Direct MR arthrography is accurate (91.9%) in the diagnosis of pathologic labral conditions in patients with recurrent or residual symptoms after prior shoulder instability repair.
Radiology 2007 245: 814-823. Published online before print October 19 2007, 10.1148/radiol.2453061329 [Abstract] [Figures Only] [Full Text] [PDF]

Neuroradiology:

Elizabeth Bullitt, Nancy U. Lin, J. Keith Smith, Donglin Zeng, Eric P. Winer, Lisa A. Carey, Weili Lin, and Matthew G. Ewend: Blood Vessel Morphologic Changes Depicted with MR Angiography during Treatment of Brain Metastases: A Feasibility Study
Our results demonstrate the feasibility of using noninvasive MR angiography to observe changes in vessel shape during tumor treatment.
Radiology 2007 245: 824-830. Published online before print October 22 2007, 10.1148/radiol.2453061889 [Abstract] [Figures Only] [Full Text] [PDF]

Marion Smits, Diederik W. J. Dippel, Gijs G. de Haan, Helena M. Dekker, Pieter E. Vos, Digna R. Kool, Paul J. Nederkoorn, Paul A. M. Hofman, Albert Twijnstra, Hervé L. J. Tanghe, and M. G. Myriam Hunink: Minor Head Injury: Guidelines for the Use of CT—A Multicenter Validation Study
All of the validated guidelines show a trade-off between sensitivity and specificity and a corresponding trade-off between sensitivity and the proportion of patients who require CT scanning according to the guideline in the identification of patients with traumatic findings at CT, as well as in the identification of patients who require neurosurgical intervention for a complication after a minor head injury.
Radiology 2007 245: 831-838. Published online before print October 2 2007, 10.1148/radiol.2452061509 [Abstract] [Figures Only] [Full Text] [PDF] [Supplemental tables]

Nuclear Medicine:

Ukihide Tateishi, Umio Yamaguchi, Kunihiko Seki, Takashi Terauchi, Yasuaki Arai, and E. Edmund Kim: Bone and Soft-Tissue Sarcoma: Preoperative Staging with Fluorine 18 Fluorodeoxyglucose PET/CT and Conventional Imaging
The combination of PET/CT and conventional imaging is the best preoperative staging method for bone and soft-tissue sarcomas, because of its significantly higher diagnostic accuracy.
Radiology 2007 245: 839-847 (DOI: 10.1148/radiol.2453061538); [Abstract] [Figures Only] [Full Text] [PDF]

Pediatric Imaging:

Paul D. Humphries, Neil J. Sebire, Marilyn J. Siegel, and Øystein E. Olsen: Tumors in Pediatric Patients at Diffusion-weighted MR Imaging: Apparent Diffusion Coefficient and Tumor Cellularity
Our study results strongly suggest that there is an inverse relationship between lesion cellularity and apparent diffusion coefficient.
Radiology 2007 245: 848-854. Published online before print October 19 2007, 10.1148/radiol.2452061535 [Abstract] [Figures Only] [Full Text] [PDF]

Technical Developments:

Philipp Peloschek, Georg Langs, Michael Weber, Johannes Sailer, Michael Reisegger, Herwig Imhof, Horst Bischof, and Franz Kainberger: An Automatic Model-based System for Joint Space Measurements on Hand Radiographs: Initial Experience
RAQuantify, the Web-based software tested in our study, provides an observer-independent joint space width measurement method that, because the software is embedded in a Web service, allows shared use by several users in different geographic locations.
Radiology 2007 245: 855-862. Published online before print October 19 2007, 10.1148/radiol.2452061281 [Abstract] [Figures Only] [Full Text] [PDF]

Rolf Gebker, Cosima Jahnke, Ingo Paetsch, Bernhard Schnackenburg, Sebastian Kozerke, Axel Bornstedt, Eckart Fleck, and Eike Nagel: MR Myocardial Perfusion Imaging with k-Space and Time Broad-Use Linear Acquisition Speed-up Technique: Feasibility Study
Our results show that acceleration of cardiovascular MR perfusion imaging with k-space and time broad-use linear acquisition speed-up technique is feasible and associated with good diagnostic accuracy (83%) in the detection of relevant coronary artery disease.
Radiology 2007 245: 863-871 (DOI: 10.1148/radiol.2453061701); [Abstract] [Figures Only] [Full Text] [PDF] [Appendix E1]

Christina Heilmaier, Reto Sutter, Amelie M. Lutz, Burkhardt Seifert, Dominik Weishaupt, Borut Marincek, and Jürgen K. Willmann: Mapping of Hepatic Vascular Anatomy: Dynamic Contrast-enhanced Parallel MR Imaging Compared with 64–Detector Row CT
Compared with 64–detector row CT as the noninvasive reference standard, parallel gradient-echo MR imaging enables accurate mapping of the hepatic vascular anatomy.
Radiology 2007 245: 872-880. Published online before print October 22 2007, 10.1148/radiol.2453062103 [Abstract] [Figures Only] [Full Text] [PDF] [Supplemental Tables]

Thoracic Imaging:

Osamu Honda, Takeshi Johkoh, Hiromitsu Sumikawa, Atsuo Inoue, Noriyuki Tomiyama, Naoki Mihara, Yuka Fujita, Mitsuko Tsubamoto, Masahiro Yanagawa, Tadahisa Daimon, Javzandulam Natsag, and Hironobu Nakamura: Pulmonary Nodules: 3D Volumetric Measurement with Multidetector CT—Effect of Intravenous Contrast Medium
Care should be taken in the use of contrast medium and in the choice of reconstruction algorithm when follow-up CT is performed to evaluate the interval change in nodule size with three-dimensional volumetric measurement.
Radiology 2007 245: 881-887. Published online before print October 19 2007, 10.1148/radiol.2453062116 [Abstract] [Figures Only] [Full Text] [PDF]

Hester A. Gietema, Cornelia M. Schaefer-Prokop, Willem P. T. M. Mali, Gerard Groenewegen, and Mathias Prokop: Pulmonary Nodules: Interscan Variability of Semiautomated Volume Measurements with Multisection CT—Influence of Inspiration Level, Nodule Size, and Segmentation Performance
Taking the reported variation into account, the threshold for calling an increased measured volume of a lung nodule a real volume increase with 95% confidence lies at a 30% increase for an irregularly shaped lesion.
Radiology 2007 245: 888-894. Published online before print October 8 2007, 10.1148/radiol.2452061054 [Abstract] [Figures Only] [Full Text] [PDF]

Vascular and Interventional Radiology:

Thomas J. Vogl, Heinz P. Mayer, Stefan Zangos, J. Bayne Selby, Jr, Hanns Ackermann, and Florian B. Mayer: Prostate Cancer: MR Imaging–guided Galvanotherapy—Technical Development and First Clinical Results
Encouraging but preliminary results were achieved after three sessions of MR imaging–guided galvanotherapy, with a minimum of long-term side effects and a concomitant reduction in prostate-specific antigen values and imaging findings.
Radiology 2007 245: 895-902 (DOI: 10.1148/radiol.2453061623); [Abstract] [Figures Only] [Full Text] [PDF] [Supplemental Table]

SIGNS IN IMAGING:

Eoin C. Kavanagh: The Reversal Sign
The reversal sign is associated with a poor prognosis and indicates irreversible brain damage.
Radiology 2007 245: 914-915 (DOI: 10.1148/radiol.2453050112); [Figures Only] [Full Text] [PDF]

Panagiota Papadopoulou: The Celery Stalk Sign
The celery stalk sign is seen on magnetic resonance images, especially sagittal T2-weighted images, of the anterior cruciate ligament, when subtle linear low-signal-intensity fibers course parallel to the long axis of the otherwise hyperintense ligament.
Radiology 2007 245: 916-917 (DOI: 10.1148/radiol.2453050159); [Figures Only] [Full Text] [PDF]

DIAGNOSIS PLEASE:

Prachi P. Agarwal, Frederick R. K. Matzinger, and Jean M. Seely: Case 132
Radiology 2007 245: 903-904 (DOI: 10.1148/radiol.2453042091); [Figures Only] [Full Text] [PDF]

Yahya M. Berkmen and Benjamin A. Zalta: Case 126: Extramedullary Hematopoiesis
The combination of inhomogeneously enhancing bilateral paraspinal masses at CT in a patient with gallstones and previous splenectomy makes extramedullary hematopoiesis the most likely diagnosis.
Radiology 2007 245: 905-908 (DOI: 10.1148/radiol.2453040715); [Figures Only] [Full Text] [PDF]

Pamela T. Johnson, Karen M. Horton, and Elliot K. Fishman: Case 127: Henoch-Schonlein Purpura
This patient presented with a rare complication of an uncommon disease: severe ischemic bowel in the setting of adult-onset Henoch-Schonlein purpura.
Radiology 2007 245: 909-913 (DOI: 10.1148/radiol.2453040999); [Figures Only] [Full Text] [PDF]

DEPARTMENTS:

: Abstracts of Current Literature
Radiology 2007 245: 924-925 (DOI: 10.1148/radiol.2453072545); [Full Text] [PDF]

: This Month in Radiology
Radiology 2007 245: 16-17 (DOI: 10.1148/radiol.2453200716); [PDF]

: Publication Information for Authors
Radiology 2007 245: [Full Text]