14 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Discoid skin lesions ... #skin #rashes #differential ... #diagnosis #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... reticularis Differential ... Diagnosis: Vasculitis ... #rash #diagnosis ... #rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
arthritis, Skin rash ... fraction < 20% Differential ... Diaqnoses: • ... #management #treatment ... #rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
artery aneurysms Diagnosis ... Behcet disease) Differential ... Diagnosis: • Genital ... #management #signs ... #symptoms #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... classic targetoid lesions ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... Manifestations: Malar rash ... druginduced #lupus #sle #comparison ... #table #rheumatology ... #diagnosis #management
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
papulosquamous lesions ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... ischemic skin lesions ... mucositis - Rash ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... Diagnosis: • Systemic ... , mucositis • Rash ... #Diagnosis #Rheumatology