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.
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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.

Mission: The Society’s mission is to improve health through a community committed to advancing knowledge and skills in radiology.

Operating as usual

The purpose of this article is to propose structured reporting templates for Magnetic Resonance Imaging and Water Solubl...
09/20/2020
Reporting Templates for Magnetic Resonance Imaging and Water Soluble Contrast Enema in Patients with Ileal Pouch Anal Anastomosis: Experience from a Large Referral Center : American Journal of Roentgenology : Ahead of Print (AJR)

The purpose of this article is to propose structured reporting templates for Magnetic Resonance Imaging and Water Soluble Contrast Enema in IPAA patients.

Ileal pouch anal anastomosis (IPAA) is gold standard surgical procedure for treatment of ulcerative colitis and majority of patients with familial adenomatous polyposis. This procedure allows prese...

Chronic, undiagnosed PTS can be a persistent cause of lateral ankle pain, leading to further degeneration and the possib...
09/18/2020
Fibular Tip Periostitis: New Radiographic Sign, Predicting Chronic Peroneal Tendon Subluxation/Dislocation in the Setting of Pes Planovalgus : American Journal of Roentgenology : Ahead of Print (AJR)

Chronic, undiagnosed PTS can be a persistent cause of lateral ankle pain, leading to further degeneration and the possibility of complete peroneal tendon tears.

Background: Tearing of the superior peroneal retinaculum (SPR) is a known cause of peroneal tendon subluxation/dislocation (PTS). However, with the exception of cortical avulsions at its fibular at...

cCTA and CMR have similar clinical performance as TTE for predicting cardioembolic stroke recurrence. This observation m...
09/18/2020
Predictive Value of Cardiac CT Angiography, Cardiac MRI, and Transthoracic Echocardiography for Cardioembolic Stroke Recurrence : American Journal of Roentgenology : Ahead of Print (AJR)

cCTA and CMR have similar clinical performance as TTE for predicting cardioembolic stroke recurrence. This observation may be especially important when TTE provides equivocal findings.

Background: Transthoracic echocardiography (TTE) is the standard of care for initial evaluation of patients with suspected cardioembolic stroke. While TTE is useful for assessing certain sources of...

In 2021, the ARRS Annual Meeting is coming to you as an all-virtual event—April 18–22, 2021. This unique experience will...
09/17/2020
2021 ARRS Annual Meeting

In 2021, the ARRS Annual Meeting is coming to you as an all-virtual event—April 18–22, 2021. This unique experience will deliver the same distinguished Annual Meeting program that ARRS is known for—featuring clinically relevant education, presented by renowned faculty from around the world.

In 2021, the ARRS Annual Meeting is coming to you as an all-virtual event—April 18–22, 2021. This unique experience will deliver the same distinguished Annual Meeting program that ARRS is known for—featuring clinically relevant education, presented by renowned faculty from around the world. Du...

A fully-automated volumetric tool facilitates diagnosis of HS in pediatric patients, especially for an inexperienced rea...
09/15/2020
Diagnosis of Hippocampal Sclerosis in Children: Comparison of Automated Brain MRI Volumetry and Readers of Varying Experience : American Journal of Roentgenology : Ahead of Print (AJR)

A fully-automated volumetric tool facilitates diagnosis of HS in pediatric patients, especially for an inexperienced reader.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.23990

Background: Hippocampal sclerosis (HS) is a leading cause of medically refractory temporal lobe epilepsy in children. The diagnosis is clinically important because most patients with HS have good p...

Can you diagnose this woman at increased breast cancer risk?
09/14/2020
ARRS Case of the Week

Can you diagnose this woman at increased breast cancer risk?

Sagittal subtraction MR image of the left breast (A) shows an irregular enhancing mass with spiculation (arrow). Sagittal colorized map (B) shows focal areas (circle) with increased maximum slope of enhancement (red). Kinetic analysis graph of the mass (C) shows rapid initial enhancement with delaye...

Outpatient appointment no-shows are a common problem. Artificial intelligence predictive analytics can potentially facil...
09/13/2020
Artificial Intelligence Predictive Analytics in the Management of Outpatient MRI Appointment No-Shows : American Journal of Roentgenology : Ahead of Print (AJR)

Outpatient appointment no-shows are a common problem. Artificial intelligence predictive analytics can potentially facilitate targeted interventions to improve efficiency.

https://www.ajronline.org/doi/abs/10.2214/AJR.19.22594

OBJECTIVE. Outpatient appointment no-shows are a common problem. Artificial intelligence predictive analytics can potentially facilitate targeted interventions to improve efficiency. We describe a ...

For patients without any known bleeding risks who are scheduled to undergo image-guided percutaneous biopsies, identifyi...
09/13/2020
Low Utility of Screening Hematologic Testing for Image-Guided Biopsies in Patients Without Bleeding Risks : American Journal of Roentgenology : Ahead of Print (AJR)

For patients without any known bleeding risks who are scheduled to undergo image-guided percutaneous biopsies, identifying an abnormal INR or abnormal platelet count is rare.

https://www.ajronline.org/doi/abs/10.2214/AJR.19.22414

OBJECTIVE. This study evaluates the prevalence of an abnormal international normalized ratio (INR) and platelet count before image-guided percutaneous needle biopsies over a 10-year period, compari...

A CT visual severity score is associated with clinical disease severity and evolves in a characteristic fashion during h...
09/13/2020
Multi-Center Study of Temporal Changes and Prognostic Value of a CT Visual Severity Score in Hospitalized Patients with COVID-19 : American Journal of Roentgenology : Ahead of Print (AJR)

A CT visual severity score is associated with clinical disease severity and evolves in a characteristic fashion during hospitalization for COVID-19.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.24044

Background. Chest CT findings have the potential to guide management in hospitalized patients with COVID-19. Objective. To explore a CT visual severity score in hospitalized patients with COVID-19,...

Can you diagnose this woman with an enlarging pelvic mass?
09/08/2020
ARRS Genitourinary Case of the Week

Can you diagnose this woman with an enlarging pelvic mass?

Sagittal transvaginal ultrasound image (A) shows a hypoechoic mass (arrow) inferior to the uterus and cervix. Color Doppler image (B) shows internal vascularity within the mass. Sagittal T2-weighted MR image (C) shows a hypointense well-circumscribed mass (arrow) protruding through the cervix into t...

Since dAVFs can often be cured by endovascular means, early and accurate diagnosis can significantly improve patient mor...
09/07/2020
Jugular Venous Reflux Can Mimic Posterior Fossa Dural Arteriovenous Fistulae on MRI/MRA : American Journal of Roentgenology : Ahead of Print (AJR)

Since dAVFs can often be cured by endovascular means, early and accurate diagnosis can significantly improve patient morbidity.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.24012

Dural arteriovenous fistulas (dAVFs) are high-flow, acquired shunts that can carry a high risk of intracranial hemorrhage. Since dAVFs can often be cured by endovascular means, early and accurate d...

Preliminary data indicate that quantitative BPE measures may outperform radiologist-assigned category in breast cancer r...
09/06/2020
Quantitative measures of background parenchymal enhancement predict breast cancer risk : American Journal of Roentgenology : Ahead of Print (AJR)

Preliminary data indicate that quantitative BPE measures may outperform radiologist-assigned category in breast cancer risk prediction.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.23804

Background: Higher categories of background parenchymal enhancement (BPE) increase breast cancer risk. However, current clinical BPE categorization is subjective. Objective: Using a semi-automated ...

The manuscript will begin with a review of existing literature regarding choice of modality and timeline for surveillanc...
09/05/2020
Best Practices for Post-Treatment Surveillance Imaging in Head and Neck Cancer: Application of the Neck Imaging Reporting and Data System (NI-RADS) : American Journal of Roentgenology : Ahead of Print (AJR)

The manuscript will begin with a review of existing literature regarding choice of modality and timeline for surveillance in treated cancer of the head and neck.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.23841

Imaging surveillance is an important component of the post-treatment management of head and neck cancers. There is variability in the surveillance regimen utilized by various practitioners and inst...

Radiologists and maxillofacial surgeons should implement NI-RADS in surveillance regimens for post-operative OSCC to hel...
09/04/2020
Retrospective Evaluation of NI-RADS for Detecting Post-Surgical Recurrence of Oral Squamous Cell Carcinoma on Surveillance CT or MRI : American Journal of Roentgenology : Ahead of Print (AJR)

Radiologists and maxillofacial surgeons should implement NI-RADS in surveillance regimens for post-operative OSCC to help detect recurrences in an effective and standardized fashion by imaging.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.24209

Background: Imaging surveillance is important for the early diagnosis of recurrence following definitive treatment for oral squamous cell carcinoma (OSCC). The Neck Imaging Reporting and Data Syste...

09/03/2020
Determination of the Optimal Measurement Point for Fractional Flow Reserve

Hiroyuki Omori, MD discusses his AJR study that supports recent expert recommendation to use FFRCT values 1–2 cm distal to the stenosis, rather than far-distal values, in clinical decision making.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.24090

https://youtu.be/P2XEwtDCKys

Full article: https://www.ajronline.org/doi/abs/10.2214/AJR.20.24090 Hiroyuki Omori, MD discusses his AJR study that supports recent expert recommendation to...

This article with credit from the September issue provides a step-by-step guide for bone imaging-guided percutaneous cor...
09/02/2020
Bone Biopsies: What Radiologists Need to Know : American Journal of Roentgenology : Vol. 215, No. 3 (AJR)

This article with credit from the September issue provides a step-by-step guide for bone imaging-guided percutaneous core needle biopsy, including the armamentarium available and the most recent advances.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.22809

OBJECTIVE. The purpose of this article is to provide a step-by-step guide for bone imaging-guided percutaneous core needle biopsy, including the armamentarium available and the most recent advances...

This study compares clinically significant prostate cancer detection rates in prospectively reported ‘2+1 TZ lesions’ as...
09/02/2020

This study compares clinically significant prostate cancer detection rates in prospectively reported ‘2+1 TZ lesions’ as defined by PI-RADS v2.1 and conventional ‘3+0 TZ lesions’, using targeted biopsies as reference standard.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.24370

September's AJR Live will discuss the use of CT for opportunistic imaging of musculoskeletal tissues, including technica...
09/02/2020
Value-Added "Opportunistic" CT

September's AJR Live will discuss the use of CT for opportunistic imaging of musculoskeletal tissues, including technical considerations for accurate measurements of bone and muscle.

AJR Live Webinars feature leading experts discussing some of AJR’s most controversial, cutting-edge articles—broadcasted each month live, online, with CME.

Epithelioid hemangioendothelioma is a rare, locally invasive neoplasm with metastatic potential. Although most commonly ...
09/01/2020
A Review of the Spectrum of Imaging Manifestations of Epithelioid Hemangioendothelioma : American Journal of Roentgenology : Ahead of Print (AJR)

Epithelioid hemangioendothelioma is a rare, locally invasive neoplasm with metastatic potential. Although most commonly occurring in liver, lungs, and bones, it can also present at multiple other sites.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.22876

OBJECTIVE. The purpose of this article is to review the spectrum of imaging manifestations of epithelioid hemangioendothelioma across different organ systems and briefly describe its current treatm...

Can you diagnose this gastric bypass complication case?
08/31/2020
ARRS Case of the Week

Can you diagnose this gastric bypass complication case?

Axial contrast-enhanced CT image (A) shows oral contrast material within both the gastric pouch (arrow) and the excluded stomach (asterisk). Partially visible staple line (arrowheads) is present between the pouch and excluded stomach. Spot images from single-contrast upper gastrointestinal study (B)...

The deadline to submit your abstract for the 2021 ARRS Annual Meeting is August 31, 2020 at 5 pm Eastern Time.https://ar...
08/30/2020

The deadline to submit your abstract for the 2021 ARRS Annual Meeting is August 31, 2020 at 5 pm Eastern Time.

https://arrs.org/abstracts

The volume of PICC placement steadily decreased since 2010, though with a sharper decline between 2015 and 2016, corresp...
08/29/2020
Effects of the MAGIC Guidelines on PICC Placement Volume: Advanced Practice Provider and Physician Trends Amongst Medicare Beneficiaries from 2010-2018 : American Journal of Roentgenology : Ahead of Print (AJR)

The volume of PICC placement steadily decreased since 2010, though with a sharper decline between 2015 and 2016, corresponding with the publication of the MAGIC evidence-based guidelines.

https://www.ajronline.org/doi/abs/10.2214/AJR.20.23704

Background: The Michigan Appropriateness Guide for Intravenous Catheters (MAGIC) was published in 2015, recommending more restricted indications for peripherally inserted central catheter (PICC) pl...

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The American Roentgen Ray Society is North America’s oldest radiology society and a trusted source of practice-based education for radiologists. ARRS is committed to improving patient care and outcomes through the publication of the American Journal of Roentgenology (ajronline.org), innovative web lectures, and point-of-care CME.

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Looking forwards to seeing you all in DC
Hi, I'm Monika Nigha Program Manager of Endoscopy 2018. I would like to welcome you, to participate at the upcoming “12th International Conference on Abdominal Imaging and Endoscopy” which is to be held on June 28-29, 2018 at Amsterdam, Netherlands a leading forum for leaders in Academia, Industry. The Themes falls on “Promotion of Safe Practice & Advancements in Endoscopy and Imaging”. For complete details, please visit:
Hi, I'm Monika Nigha Program Co-coordinator of Endoscopy 2018. I would like to welcome you, to participate at the upcoming “12th International Conference on Abdominal Imaging and Endoscopy” which is to be held on June 28-29, 2018 at Amsterdam, Netherlands a leading forum for leaders in Academia, Industry. The Themes falls on “Promotion of Safe Practice & Advancements in Endoscopy and Imaging”. For complete details, please visit: