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Other Rheumatic Conditions

Case Report: Amyloid Beta-Related Angiitis of the Central Nervous System

Alexandros Grivas, MD, Nikil Revuri, MD, Aleksandra Karaseva, MD, Basimah AlBalooshy, MD, & Andres M. Ponce, MD  |  

Here, we present a case of inflammatory cerebral amyloid angiopathy, discussing its diverse clinical manifestations, diagnostic challenges in view of recently proposed clinical-radiologic criteria and its management.

ICD-10 CM Overview & Updates for 2025

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The newest ICD-10 code set went into effect on Oct. 1 and includes more than 400 new and revised diagnosis codes and headers. In September, the ACR also proposed a new diagnosis code that will undergo a public comment period and consideration for inclusion in a future update.

Case Report: Hip Pain in End-Stage Renal Disease

Ilana P. Goldberg, MD, & Samuel Faught, MD  |  

Renal osteodystrophy is associated with chronic kidney disease (CKD) and its associated metabolic derangements, most commonly CKD stages 3–5. It is often subclassified into four histological subtypes, with definite distinctions unable to be made clinically. These four subtypes, which may only be differentiated by bone biopsy, include: osteitis fibrosa cystica, mixed uremic osteodystrophy, osteomalacia and…

Let’s Define Undifferentiated Connective Tissue Disease

Lucy Masto, BS, Medha Barbhaiya, MD, MPH, Caroline H. Siegel, MD, MS, Lisa R. Sammaritano, MD, & Michael D. Lockshin, MD  |  

Undifferentiated connective tissue disease (UCTD) is a diagnosis given to patients who do not fulfill current classification criteria for named connective tissue diseases (CTD)—systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), systemic sclerosis (SSc), or Sjögren’s disease—but who nonetheless have clinical signs and symptoms and serological evidence of autoimmune CTDs. In 1980 LeRoy et al. were…

Editor's Pick

The ACR and CHEST Release 2 New ILD Guidelines

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Clinicians should not rely on glucocorticoids as a first-line treatment of SARD-ILD in patients with systemic sclerosis, according to a strong recommendation in a new ILD treatment guideline from the ACR and CHEST. The guideline is one of two addressing the screening, monitoring and treatment of patients with interstitial lung disease (ILD) secondary to systemic autoimmune rheumatic diseases (SARDs).

What Rheumatologists Need to Know About Antiphospholipid Syndrome

Yu (Ray) Zuo, MD, MS, & Jason S. Knight, MD, PhD  |  

Antiphospholipid syndrome (APS) is an acquired thromboinflammatory disease that can have severe, sometimes catastrophic, effects on patients and their families. Our modern understanding of APS began to emerge in the early 1980s. At that point, it was defined as a condition characterized by thrombotic episodes and/or pregnancy complications in the presence of antiphospholipid antibodies (aPL).1…

Case Report: Persistent Pruritic Plaques in Adult-Onset Still’s Disease

Kubra Bugdayli, MD, Ahmed Eldaboush, MD, Sanjana Aggarwal, MBBS, & Bonnie Bermas, MD  |  

Adult-onset Still’s disease (AOSD) is a systemic autoinflammatory disorder characterized by persistent fever at regular intervals, arthralgias or arthritis, rash, sore throat and neutrophilic leukocytosis.1,2 Significant elevation in ferritin levels is characteristic and tends to correlate with disease activity. Additional clinical features may include myalgias, lymphadenopathy, hepatosplenomegaly, serositis, myocarditis, abnormal liver function tests and development…