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AJR. American Journal of Roentgenology

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https://www.readbyqxmd.com/read/29927334/journal-club-primary-anorectal-melanoma-mri-findings-and-clinicopathologic-correlations
#1
Hyo Jung Park, Hyun Jin Kim, Seong Ho Park, Jong Seok Lee, Ah Young Kim, So-Woon Kim, Seung-Mo Hong
OBJECTIVE: The purpose of this study is to evaluate the MRI features of primary anorectal malignant melanoma and to correlate these features with its clinical and pathologic characteristics. MATERIALS AND METHODS: The medical records of 12 patients (five men and seven women; mean age [± SD], 60.8 ± 10.0 years) with pathologically proven primary anorectal melanoma were retrospectively reviewed. MRI findings were analyzed to determine the shape, size, distance from the anal verge, presence of perirectal or anal infiltration, signal intensity on T1- and T2-weighted images, presence of diffusion restriction, contrast enhancement pattern of the lesion, presence of lymphadenopathy, and occurrence of bowel obstruction...
June 21, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29927333/video-ultrasound-evaluation-of-external-shoulder-impingement
#2
Emma L Rowbotham, Andrew J Grainger
OBJECTIVE: The purpose of this video article is to show sonographic anatomy at the shoulder joint relevant to impingement and to describe the diagnostic techniques that can be used to diagnose this condition. The article contains several video clips depicting both the normal and pathologic appearances of the bursa during dynamic assessment. The technique for guided injection at this location with sonographic guidance will be covered as well as pitfalls for reporting impingement. CONCLUSION: Dynamic ultrasound assessment of the shoulder is a useful adjunct to clinical assessment in the evaluation and diagnosis of impingement...
June 21, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29927332/video-ultrasound-of-the-elbow-scanning-techniques
#3
Jon A Jacobson
OBJECTIVE: When imaging the elbow with ultrasound, it is important to follow a routine that includes a checklist of anatomic structures. CONCLUSION: This video will show ultrasound scanning and anatomy of the elbow divided into four quadrants, beginning anterior, then moving medial, lateral, and posterior.
June 21, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29927331/low-versus-high-risk-rectal-cancer-based-on-mri-features-outcomes-in-patients-treated-without-neoadjuvant-chemoradiotherapy
#4
Xiao-Xuan Jia, Yi Wang, Jin Cheng, Xun Yao, Mu-Jun Yin, Jing Zhou, Ying-Jiang Ye
OBJECTIVE: The objective of this study was to compare the prognoses of patients with low- and high-risk rectal cancer detected by MRI who were treated without neoadjuvant chemoradiotherapy (NCRT) and to determine independent risk factors. MATERIALS AND METHODS: This retrospective study included 185 patients with pathologically proven rectal adenocarcinoma who were treated without NCRT. Cancer was defined as high risk if one or more of the following factors were present: extramural depth of tumor invasion greater than 5 mm or stage T4a or T4b for tumor in the mid or high rectum; involvement of intersphincteric space, levators, or adjacent organs for tumor in the low rectum; extramural venous invasion (EMVI); or circumferential resection margin (CRM) involvement...
June 21, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29927330/imaging-of-chopart-midtarsal-joint-complex-normal-anatomy-and-posttraumatic-findings
#5
William R Walter, Anna Hirschmann, Monica Tafur, Zehava S Rosenberg
OBJECTIVE: The objective of this article is to review the normal anatomy and posttraumatic findings of the Chopart joint complex. Key imaging features of the normal ligaments and patterns of ligamentous and osseous injuries are discussed. CONCLUSION: Traumatic midtarsal injuries, particularly midtarsal sprain, are often overlooked clinically and on imaging but are relatively common and typically are associated with inversion ankle injuries. Radiologists should be familiar with Chopart joint anatomy and the imaging features of midtarsal injuries because early diagnosis may help optimize clinical management...
June 21, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29927329/postoperative-imaging-of-sarcomas
#6
Aniket N Tavare, Philip Robinson, Rola Altoos, Gary M LiMarzi, Kurt F Scherer, Mark J Kransdorf, Laura W Bancroft
OBJECTIVE: The purpose of this article is to assist radiologists in developing an organized, systematic approach to imaging interpretation in the care of patients who have been surgically treated for sarcoma. CONCLUSION: Postoperative imaging interpretation of sarcoma can be complex and requires an organized, systematic approach that includes review of the patient's clinical and surgical history and pretreatment images to gain context for differentiating recurrence from time-dependent posttreatment changes...
June 21, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29927328/dual-energy-ct-iodine-mapping-and-40-kev-monoenergetic-applications-in-the-diagnosis-of-acute-bowel-ischemia
#7
Pedro D M Lourenco, Ryan Rawski, Mohammed F Mohammed, Faisal Khosa, Savvas Nicolaou, Patrick McLaughlin
OBJECTIVE: Sensitivity of CT of the abdomen for detection of acute bowel ischemia (ABI) can be as low as 60%. In this study, we assessed the diagnostic performance of iodine-map and monoenergetic (40-keV) images in patients with suspected ABI. MATERIALS AND METHODS: This retrospective study included 60 consecutive patients with suspected ABI who underwent a standardized imaging protocol dual-source dual-energy CT (DECT) over a 26-month period. Clinical and operative outcomes were recorded as the reference standard...
June 21, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29927327/comparison-of-utilization-of-the-family-and-medical-leave-act-in-radiology-practices-between-2015-and-2016
#8
Elizabeth Kagan Arleo, Darcy Wolfman, Jay R Parikh, Daniel Gridley, Claire Bender, Edward Bluth
OBJECTIVE: The objective of our study was to assess utilization of the Family and Medical Leave Act (FMLA) in radiology practices in 2016 and compare with 2015 utilization. MATERIALS AND METHODS: The Practice of Radiology Environment Database was used to identify practice leaders, and these leaders were asked to complete the annual American College of Radiology Commission on Human Resources workforce survey. The 2017 survey, which asked about 2016 experiences, again included questions about the number of radiologists in each practice who took FMLA, reasons why, and how absences were covered...
June 21, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29894223/pleomorphic-lobular-carcinoma-in-situ-imaging-features-upgrade-rate-and-clinical-outcomes
#9
Julia L Savage, Deborah O Jeffries, Mitra Noroozian, Michael S Sabel, Julie M Jorns, Mark A Helvie
OBJECTIVE: Pleomorphic lobular carcinoma in situ (PLCIS) is an aggressive subtype of lobular carcinoma in situ treated similarly to ductal carcinoma in situ. The purpose of this study was to determine the imaging findings, upgrade rate of PLCIS at core needle biopsy (CNB), and the treatment and outcomes of these patients. MATERIALS AND METHODS: This retrospective single-institution study included women with PLCIS at CNB or excisional biopsy without concomitant DCIS or invasive carcinoma between January 1, 1999, and July 20, 2016...
June 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29894222/automated-delivery-of-clinical-follow-up-to-the-radiologist-via-e-mail-feasibility-study-of-a-new-information-technology-algorithm
#10
Elizabeth H Dibble, Elaine Binns, Anna Ellermeier, Bradford T March, Grayson L Baird, William W Mayo-Smith, Jonathan S Movson
OBJECTIVE: The purposes of this study were to develop an automated process for radiologists to obtain clinical follow-up on radiology reports via HIPAA-compliant e-mail and to determine what follow-up data were collected and whether they were relevant to the radiology reports. CONCLUSION: The algorithm generated high-yield follow-up data for radiologists that may improve patient care by facilitating radiologist engagement and self-assessment.
June 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29894221/imaging-of-shoulder-arthroplasties
#11
Cristy Gustas-French, Jonelle Petscavage-Thomas, Stephanie A Bernard
OBJECTIVE: In this article, we review the preoperative imaging features used for planning shoulder arthroplasty as well as review the various shoulder arthroplasty component types, discussing the expected normal imaging features and specific complications to look for with each. CONCLUSION: Given the increasing use of shoulder arthroplasty, it is important to understand the imaging features of the various shoulder arthroplasty complications.
June 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29894220/internal-rotation-traction-radiograph-improves-proximal-femoral-fracture-classification-accuracy-and-agreement
#12
Bharti Khurana, Jacob C Mandell, Tatiana C Rocha, Maria Alejandra Duran-Mendicuti, Hamdi Jimale, Bernard Rosner, Mitchel B Harris, Aaron D Sodickson, Michael J Weaver
OBJECTIVE: The objective of this study is to assess the clinical utility of internal rotation traction radiography in the classification of proximal femoral fractures. MATERIALS AND METHODS: The study cohort included 78 consecutive patients who were surgically treated for a proximal femoral fracture and for whom preoperative physician-assisted internal rotation traction radiographs of the fractured hip were obtained in addition to standard radiographs. Two radiologists who were blinded to clinical information independently classified each fracture without the traction view and then with the traction view...
June 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29894219/the-current-state-of-ct-dose-management-across-radiology-well-intentioned-but-not-universally-well-executed
#13
Timothy P Szczykutowicz, Robert Bour, Frank Ranallo, Myron Pozniak
OBJECTIVE: Recent well-publicized sentinel events have resulted in an appropriately heightened awareness of CT dose. Concern also exists regarding the potential of CT dose increasing the risk of cancer. Several professional societies, governmental and accreditation agencies, and CT vendors have responded to these concerns with campaigns, mandatory standards, and software enhancements. The objective of this article is to review such CT dose management efforts. CONCLUSION: Although CT dose awareness campaigns, mandatory standards, and software enhancements are well intentioned, their implementation is often suboptimal...
June 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29894218/simplified-prostate-imaging-reporting-and-data-system-for-biparametric-prostate-mri-a-proposal
#14
Michele Scialpi, Maria Cristina Aisa, Alfredo D'Andrea, Eugenio Martorana
OBJECTIVE: We describe our institutional experience using a simplified Prostate Imaging Reporting and Data System (PI-RADS) based on biparametric prostate MRI. We discuss two important controversies: the use of gadolinium-based contrast agents and the management of PI-RADS category 3 lesions. CONCLUSION: Our simplified PI-RADS identifies four categories and suggests management strategies for each. The simplified PI-RADS can be an effective system to facilitate multidisciplinary cooperation and to improve the management of suspected prostate cancer...
June 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29894217/fetal-lung-volumes-by-mri-normal-weekly-values-from-18through-38-weeks-gestation
#15
Mariana L Meyers, Jacquelyn R Garcia, Kiara L Blough, Wei Zhang, Christopher I Cassady, Amy R Mehollin-Ray
OBJECTIVE: The purpose of this study is to establish normal total fetal lung volume reference ranges from 18 to 38 weeks' gestation at 1-week intervals. MATERIALS AND METHODS: A retrospective analysis of 665 patients who underwent fetal MRI at two tertiary fetal centers from 2001 to 2013 was performed. Total fetal lung volume was measured in at least two planes, either manually or using a 3D workstation. The mean, median, SD, minimum, maximum, and lower and upper quartiles for total fetal lung volume were determined per gestational week...
June 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29894216/diagnostic-performance-of-biparametric-mri-for-detection-of-prostate-cancer-a-systematic-review-and-meta-analysis
#16
Xiang-Ke Niu, Xue-Hui Chen, Zhi-Fan Chen, Lin Chen, Jun Li, Tao Peng
OBJECTIVE: The purpose of this study was to perform a systematic review and meta-analysis to estimate the diagnostic performance of biparametric MRI (bpMRI) for detection of prostate cancer (PCa). MATERIALS AND METHODS: Two independent reviewers performed a systematic review of the literature published from January 2000 to July 2017 by using predefined search terms. The standard of pathologic reference was established at prostatectomy or prostate biopsy. The numbers of true- and false-positive and true- and false-negative results were extracted...
June 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29894215/utility-of-water-siphon-maneuver-for-eliciting-gastroesophageal-reflux-during-barium-esophagography-correlation-with-histologic-findings
#17
B Dane, A Doshi, A Khan, A Megibow
OBJECTIVE: The objective of this study is to evaluate whether the water siphon maneuver improves detection of gastroesophageal (GE) reflux during barium esophagography compared with observation for spontaneous reflux only. Histopathologic analysis is the reference standard. MATERIALS AND METHODS: This retrospective study assessed 87 outpatients who underwent both barium esophagography and upper endoscopy-guided biopsy within a 30-day interval. The water siphon maneuver was routinely performed when spontaneous GE reflux was not observed during the fluoroscopic study...
June 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29894214/preoperative-prostate-mri-a-road-map-for-surgery
#18
Sinead H McEvoy, Mitchell C Raeside, Joshua Chaim, Behfar Ehdaie, Oguz Akin
OBJECTIVE: MRI of the prostate is widely used in prostate cancer for local staging. The purpose of this article is to show how preoperative prostate MRI findings may be used as a road map for surgery to preserve the neurovascular bundle, identify risk factors associated with positive surgical margins, and evaluate findings associated with intraoperative complications and functional recovery after surgery. CONCLUSION: Knowledge of surgically relevant imaging findings can increase radiologists' confidence in reporting them to our colleagues...
June 12, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29873508/multimodality-imaging-review-of-normal-appearance-and-complications-of-the-postoperative-rotator-cuff
#19
Vivek Kalia, Michael T Freehill, Bruce S Miller, Jon A Jacobson
OBJECTIVE: The objective of this article is to provide a multimodality imaging review of the imaging features of the postoperative rotator cuff, including a discussion of the most common complications. CONCLUSION: Both MRI and ultrasound can be used to evaluate the repaired rotator cuff and potential complications. The appearance of the rotator cuff within the first 6 months after repair is heterogeneous and may be difficult to interpret but normalizes over time...
June 6, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29873507/preoperative-use-of-a-3d-printed-model-for-femoroacetabular-impingement-surgery-and-its-effect-on-planned-osteoplasty
#20
Tony T Wong, Thomas S Lynch, Charles A Popkin, Jonathan K Kazam
OBJECTIVE: The purpose of this study was to determine the effect that preoperative use of 3D printed models has on planned osteoplasty for femoroacetabular impingement (FAI) surgery. MATERIALS AND METHODS: This experimental study utilizing retrospective data included 10 consecutive patients from July 1, 2013, to January 1, 2015, with a clinical diagnosis of FAI and imaging consisting of radiographs, CT scans, and MR images. Three-dimensional models of each patient's affected hip were printed to scale from CT data...
June 6, 2018: AJR. American Journal of Roentgenology
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