ARRS First and oldest radiology society in the United States.
The American Roentgen Ray Society, founded in 1900, is the first and oldest radiology society in the United States. The society has been a forum for progress in radiology since shortly after the discovery of the X-ray and is dedicated to the goal of the advancement of medicine through the science of radiology and its allied sciences. The goal of the ARRS is maintained through an annual scientific and educational meeting, through publication of the American Journal of Roentgenology, and through other educational symposia.

The Annual Meeting consists of instructional courses, scientific paper presentations, a symposium, a new issues forum, scientific exhibits, and commercial exhibits. A special categorical course and annual Case-Based Review Course is also offered. Category 1 CME credits are available on an hour-for-hour basis. All members of the Society may attend the Annual Meeting with discounted payment of the general registration fee.

The monthly American Journal of Roentgenology (AJR) is a highly respected peer-reviewed journal with a worldwide circulation of more than 25,000. For more than 100 years, the AJR has been recognized as one of the best specialty journals in the world.

The quarterly ARRS InPractice magazine keeps members informed of Annual Meeting plans and general Society information.

The Society invests in the future of radiology by awarding scholarships and awards to deserving individuals through the Roentgen Fund.
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This article discusses some parameters that affect the performance of texture metrics and propose recommendations that c...
01/26/2019
Texture Analysis of Imaging: What Radiologists Need to Know : American Journal of Roentgenology : Ahead of Print (AJR)

This article discusses some parameters that affect the performance of texture metrics and propose recommendations that can guide both the design and evaluation of future radiomics studies.

OBJECTIVE. Radiologic texture is the variation in image intensities within an image and is an important part of radiomics. The objective of this article is to discuss some parameters that affect the performance of texture metrics and propose recommendations that can guide both the design and evaluat...

New analysis in AJR makes the case for why patient shielding should be abandoned in radiology.
01/26/2019
Is it time to end patient shielding in radiology?

New analysis in AJR makes the case for why patient shielding should be abandoned in radiology.

Though it has been in place for decades, the practice of patient shielding in radiology should be abandoned, according to a new analysis published in the American Journal of Roentgenology.

This study compares diagnostic yield and complication rate in needle biopsy of renal hilar and cortical masses.
01/25/2019
Diagnostic Yield and Complication Rate in Percutaneous Needle Biopsy of Renal Hilar Masses With Comparison With Renal Cortical Mass Biopsies in a Cohort of 195 Patients : American Journal of Roentgenology : Ahead of Print (AJR)

This study compares diagnostic yield and complication rate in needle biopsy of renal hilar and cortical masses.

OBJECTIVE. The objective of this study was to compare diagnostic yield and complication rate in needle biopsy (NB) of renal hilar and cortical masses.

🎧 NEW EPISODES 🎧Check out the AJR Podcast Series for new episodes on the relevance of ulnar-sided contrast extrava...
01/25/2019
AJR Podcast Series

🎧 NEW EPISODES 🎧

Check out the AJR Podcast Series for new episodes on the relevance of ulnar-sided contrast extravasation and factors predicting positive culture in CT-guided bone biopsy.

Wilhelm Roentgen gave the first public lecture on X-rays 123 years ago this week. #TBT
01/24/2019

Wilhelm Roentgen gave the first public lecture on X-rays 123 years ago this week. #TBT

Can you diagnose this 56-year-old man with chronic liver disease?
01/22/2019
Case of the Week

Can you diagnose this 56-year-old man with chronic liver disease?

Axial T2-weighted MR image of the abdomen (A) shows diffuse nodularity of the liver and enlargement of the spleen. Axial gadolinium-enhanced T1-weighted fat-suppressed MR images (B–D) show enlargement of the fissure for the ligamentum venosum (arrow, B), a right posterior hepatic notch (arrow, C),...

This article describes the creation of template report formats and content for a variety of abdominal and pelvic CT and ...
01/20/2019

This article describes the creation of template report formats and content for a variety of abdominal and pelvic CT and MRI examinations and discuss a review-of-systems approach to text and avoidance of pitfalls of report templates.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.20368

This study evaluates the safety and efficacy of endobiliary radiofrequency ablation in the percutaneous management of be...
01/19/2019

This study evaluates the safety and efficacy of endobiliary radiofrequency ablation in the percutaneous management of benign bilioenteric anastomosis strictures that are refractory to balloon dilatation and long-term drainage.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.19751

A new study on AJR finds breast-specific gamma imaging may be able to help specialists assess treatment response in brea...
01/18/2019
How breast-specific gamma imaging can help assess cancer patients

A new study on AJR finds breast-specific gamma imaging may be able to help specialists assess treatment response in breast cancer patients after neoadjuvant chemotherapy.

Breast-specific gamma imaging (BSGI) may be able to help specialists assess treatment response in breast cancer patients after neoadjuvant chemotherapy (NAC), according to a new study published in the American Journal of Roentgenology.

This month's InBrief features an interview with the co-authors of a recent AJR article on the lack of women representati...
01/16/2019
AJR InBrief

This month's InBrief features an interview with the co-authors of a recent AJR article on the lack of women representation in leadership positions in nuclear medicine.

While the number of female medical students has risen, women nuclear medicine specialists remain underrepresented in academic and leadership positions in the United States and Canada, according to an article in the January 2019 issue of the American Journal of Roentgenology (AJR).

Dr. Charles Dotter performed the first ever angioplasty on this day in 1964.
01/16/2019

Dr. Charles Dotter performed the first ever angioplasty on this day in 1964.

There's still time to register for Wedneday's AJR Live on machine learning and AI.
01/15/2019
AJR Live - Machine Learning and AI: Resource or Replacement?

There's still time to register for Wedneday's AJR Live on machine learning and AI.

This new member benefit features discussion from leading experts on some of AJR’s most controversial, cutting edge articles—broadcasted live, online, with CME. The 2018 AJR Live Webinar Series was made possible in part by an unrestricted educational grant from Siemens Healthcare.

Can you diagnose what's wrong with this 71-year-old woman with history of bilateral segmentectomy for bilateral ductal c...
01/15/2019
ARRS Case of the Week

Can you diagnose what's wrong with this 71-year-old woman with history of bilateral segmentectomy for bilateral ductal carcinoma in situ 1 year earlier?

Craniocaudal (A) and lateromedial (B) magnification images of the right breast show developing pleomorphic calcifications at the lumpectomy (segmentectomy) site.

This article compares commonly used breast cancer risk assessment models, describe the machine learning approach and big...
01/13/2019

This article compares commonly used breast cancer risk assessment models, describe the machine learning approach and big data in risk prediction, and summarize the potential benefits and harms of restrictive risk-based screening.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.20345

This study predicts the probability of surgically induced chronic kidney disease developing in patients who underwent to...
01/13/2019

This study predicts the probability of surgically induced chronic kidney disease developing in patients who underwent total nephrectomy by measuring the BSA–adjusted renal cortical volume with preoperative CTA.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.20135

A new study in AJR looks into why more than 36 percent of  patients with indeterminate abdominal imaging findings don’...
01/11/2019
Why do patients not return for follow-up imaging?

A new study in AJR looks into why more than 36 percent of patients with indeterminate abdominal imaging findings don’t return for follow-up imaging.

More than 36 percent of patients with indeterminate abdominal imaging findings don’t return for follow-up imaging, according to a new study published in the American Journal of Roentgenology. But what factors lead to this ongoing trend?

This study evaluates four previously validated MRI activity scoring systems for diagnosis and grading of Crohn disease i...
01/10/2019

This study evaluates four previously validated MRI activity scoring systems for diagnosis and grading of Crohn disease in the terminal ileum against an endoscopic and histopathologic reference standard.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.19876

In 1946 Dr. Arthur W. Erskine presented ARRS with this gavel and sound block. The head of the gavel is from the base of ...
01/10/2019

In 1946 Dr. Arthur W. Erskine presented ARRS with this gavel and sound block. The head of the gavel is from the base of Wilhelm Roentgen's microscope. The handle is from the top of the desk at which William D. Coolidge worked when designing the hot cathode tube. The oak base of the sound block is from the top of desk at which H. Clyde Snook worked when designing the first interrupterless transformer. The inlay of the block, on which a sine wave is carved, is from the case of the second Snook interrupterless apparatus that was manufactured.

This study determines whether a convolutional neural network can predict the maximum standardized uptake value of lymph ...
01/09/2019

This study determines whether a convolutional neural network can predict the maximum standardized uptake value of lymph nodes in patients with cancer using the unenhanced CT images from a PET/CT examination.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.20094

This study compares the supplemental cancer yield and performance of breast MRI in women at higher-than-average risk for...
01/09/2019

This study compares the supplemental cancer yield and performance of breast MRI in women at higher-than-average risk for breast cancer after negative 2D full-field digital mammography or negative digital breast tomosynthesis.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.19916

This study evaluates the sensitivity, tumor conspicuity, and image quality of different material decomposition images of...
01/08/2019

This study evaluates the sensitivity, tumor conspicuity, and image quality of different material decomposition images of phantoms and patients with nearly isodense bone metastases using rapid-kilovoltage-switching dual-energy CT.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.19933

Can you diagnose what's wrong with this 79-year-old woman with left knee pain?
01/08/2019
Case of the Week

Can you diagnose what's wrong with this 79-year-old woman with left knee pain?

Anteroposterior (A) and lateral (B) radiographs of the left knee show marked osteosclerosis predominantly involving the diaphyses of the femur and tibia. Anteroposterior radiograph of the pelvis (C) shows sparing of the proximal femora and bones of the pelvis.

Get deeper insights into this month's AJR article on the MRI findings and prevalence of supraspinatus myotendinous junct...
01/07/2019
AJR Podcast Series

Get deeper insights into this month's AJR article on the MRI findings and prevalence of supraspinatus myotendinous junction injuries in the first episode of our new podcast series.

Nathalie J. Bureau discusses her article in the January 2019 issue of AJR on the MRI findings and prevalence of supraspinatus myotendinous injuries. Read the accompanying article here.

This study evaluates the potential value of machine learning–based high-dimensional quantitative CT texture analysis i...
01/07/2019

This study evaluates the potential value of machine learning–based high-dimensional quantitative CT texture analysis in predicting the mutation status of the gene encoding the protein PBRM1 in patients with clear cell RCC.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.20443

A new opinion piece in AJR discusses how the promise of AI is its potential to release physicians from tasks that are be...
01/06/2019

A new opinion piece in AJR discusses how the promise of AI is its potential to release physicians from tasks that are better performed by automation and allow them to refocus on the art of the doctor-patient relationship.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.20509

This study investigates the comparative effectiveness of different MRI sequences for the estimation of index lesion volu...
01/05/2019

This study investigates the comparative effectiveness of different MRI sequences for the estimation of index lesion volume in patients with prostate cancer compared with ground truth volume measured on whole-mount pathology.

https://www.ajronline.org/doi/abs/10.2214/AJR.18.20147

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