11 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 ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
New-onset fever with rash ... Mucocutaneous or ocular ... sulfa-drug - Skin ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis ... #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin ... - Differential ... IgM deposits • Nodular ... #dermatology #rheumatology ... #differential #
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Arthralgia/arthritis, Skin ... rash ± odynophagia ... fraction < 20% Differential ... • Ocular: uveitis ... management #treatment #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... acquired dermal macular ... Erythemas #comparison #table ... #differential # ... diagnosis #dermatology
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
hearing loss, cataracts ... Defects #comparison #table ... #differential # ... diagnosis #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

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

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... , mucositis • Rash ... Cogan syndrome: Ocular ... #Diagnosis #Rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... Erythematous, macular ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Seizures • Strokes Skin