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 ... Crohn's disease Palpable ... lesions • Discoid lupus ... #rashes #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Vasculitis (lupus ... deficiency Work ... cryoglobulins • Skin ... #Differential #
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... 40, F:M 9:1 • Clinical ... Manifestations: Malar rash ... • Immunologic Workup ... #Summary #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... • Petechiae, Palpable ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... NPSLE rare, Malar rash ... • Immunologic Workup ... 40, F:M 9:1 • Clinical ... • Immunologic Workup
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... 3rd Decade Skin ... permanent alopecia Differential ... Malignancy (e.g. hematologic ... Seizures • Strokes Skin
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... Tip: To differentiate ... later confirmed by skin ... #clinical #photo ... #dermatology #HSP
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Still's Disease Clinical ... Arthralgia/arthritis, Skin ... rash ± odynophagia ... fraction < 20% Differential ... Disease #diagnosis #management
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... mucositis - Rash ... such as systemic lupus ... scleritis • Palpable ... -> causing palpable
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... multiforme-like lesions, palpable ... Behcet syndrome (Clinical ... Behcet disease) Differential ... Syndrome #diagnosis #management