8 results
Still's Disease: Characteristic rash seen in the adult form of this disease. 
Photo credit, Josh Fierer,
Still's Disease: ... Characteristic rash ... seen in the adult ... form of this disease ... Photo credit, Josh
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... Anti-retrovirals, Gemcitabine Lupus ... uncommon 5-15% of lupus ... differential #diagnosis #comparison ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
evidence of (fatigue, rash ... eruption - Butterfly rash ... Photosensitive rash ... rheumatologic diseases ... Photosensitivity • Malar rash
Idiopathic Inflammatory Myopathies (IIM's)

RASH + MUSCLE WEAKNESS → Consider idiopathic inflammatory myopathies (IIM's)

 • Overlap Myositis
Myopathies (IIM's) RASH ... features of another autoimmune ... connective tissue disease ... IIMs #diagnosis #rheumatology ... #Rash
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... Manifestations: Malar rash ... Evolution: Chronic disease ... #sle #comparison ... #table #rheumatology
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Adult-Onset Still's ... Disease (AOSD) ... likely conditions (autoimmune ... maculopapular rash ... #AOSD #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
arthritis (sJIA) • Adult-onset ... • Systemic lupus ... Petechial or purpuric rash ... SJIA], systemic lupus ... #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis ... RP-ILD), dermato-rheumatologic ... cancer-associated adult ... Symptoms: • Gottron rash ... #rheumatology #