ACR study groups provide an excellent forum for networking at the ACR/ARHP Annual Scientific Meeting and are among the most highly sought-after sessions each year. Although study groups are not eligible for CME credits, they provide an opportunity for the exchange of new ideas and in-depth presentations of information. These groups give attendees the opportunity to discuss cases and share experiences with colleagues who share a common interest in one disease, a group of related disorders, or a specialized field of study.
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Myositis Mysteries
Why isn’t my myositis patient getting better?
Clinical Cutting Edge
Updates on Sjogren’s syndrome, myositis, and vasculitis
Reading Rhuem
Handpicked Reviews of Contemporary Literature
Labored Breathing
Strategies to diagnose and manage dyspnea in the scleroderma patient

Trimethoprim Sulfamethoxazole Prophylaxis & Infections in Patients with GPA
SAN DIEGO—In their study, Effect of Trimethoprim Sulfamethoxazole Prophylaxis on Infections During Treatment of Granulomatosis with Polyangiitis with Rituximab: A Population-Based Study, Mendel et al. assessed the relationship between trimethoprim sulfamethoxazole (TMP-SMX) and infection in patients undergoing treatment for granulomatosis with polyangiitis (GPA). Background/Purpose Infections during treatment of anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis (AAV)…

Research Helps Explain Idiosyncrasies of COVID-19
The Basic and Clinical Research Conference session on Rheumatology Complications of Emerging Viral Infections/SARS-CoV-2 presented findings from numerous studies that help explain some of the idiosyncrasies of COVID-19.
Pulmonary Adverse Events with Low-Dose Methotrexate
In this large placebo-controlled trial, Sparks et al. examined the predictors and severity of pulmonary adverse events (AEs) in patients taking low-dose MTX. The researchers found that low-dose MTX increased the risk of pulmonary AEs, including possible pneumonitis.

Systemic Sclerosis Patients May Benefit from Targeted Stroke Screening
Patients with systemic sclerosis (SSc) may benefit from targeted stroke screening or prevention therapies. A recent study revealed SSc may be independently associated with stroke, finding the risk of stroke was 20–30% higher in SSc patients than healthy controls…

Case Report: Possible Overlapping Vasculitis & Ulcerative Colitis
A 42-year-old man with a history of ulcerative colitis (UC), primary sclerosing cholangitis (PSC) and chronic sinusitis was referred to a rheumatologist to evaluate for a possible diagnosis of systemic vasculitis. This patient had developed new skin lesions, gingival hypertrophy and ulcerating tracheobronchitis, concerning for possible granulomatosis with polyangiitis (GPA). Since 1994, the patient had…