10 results
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 ... • Muscular: normal ... CK, normal biopsy ... management #treatment #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... Palpable purpura • Vesicles ... reticularis Differential ... #rash #diagnosis ... #rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... Elevated ESR, Normal ... muscle weakness • Normal ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... Nephropathy 16% - Oral ... (aPL) 30-45% Differential ... symptoms #mimickers #differential ... #rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
and toes - Deep vesicles ... earlobes-nickel; dorsal ... breasts, vagina, oral ... ; pruritis #dermatology ... #rash #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
sedimentation rate + Normal ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... flares • CRP normal ... Erythematosus #Diagnosis #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... strength & enzymes normal ... , mucositis • Rash ... legs), cutaneous vesicles ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... mucositis - Rash ... - Recurrent oral ... ear disease Differential ... #diagnosis #rheumatology
Poikiloderma of Civatte (Photodamage Poikiloderma)

Poikiloderma in general is a common finding in older individuals with chronic
symptoms helps differentiate ... it from normal ... #Photodamage #Rash ... #Dermatology #Clinical ... #Photo #Neck
Shawl sign poikiloderma in Dermatomyositis

Poikiloderma in general is a common finding in older individuals with chronic
symptoms helps differentiate ... it from normal ... Dermatomyositis #Rash ... Dermatomyositis #Dermatology ... #Clinical #Photo