19 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Antiphospholipid-antibody syndrome ... • Vasculitis ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... #differential #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Butterfly rash, Vasculitis ... Demyelinating syndromes ... #Lupus #SLE #systemic ... signs #symptoms #diagnosis
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential Diagnosis ... Autoimmune • ITP • SLE ... Non-lmmune: • HELLP Syndrome ... HUS • DIC • Vasculitis
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Diagnosis Framework ... Secondary: CTD: SLE ... Disease • Cogan syndrome ... #skin #dermatology ... #differential #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... Kasabach-Merritt syndrome ... Associated - SLE ... #nonpalpable #dermatology
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
most frequent skin ... dermatomyositis, SLE ... leukocytoclastic vasculitis ... #differential #diagnosis ... #dermatology #oncology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... inflammation Others: • Lupus ... • Cogan Syndrome ... such as systemic lupus ... , and SLE) • Urinalysis
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
) - SLE ( ... systemic lupus erythematosus ... infections - Vasculitis ... Henoch—Schönlein purpura, SLE ... peds #pediatrics #diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Purpura - Skin ... reticularis & skin ... Labs/Diagnosis: ... (e.g. systemic lupus ... erythematosus (SLE
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... 3rd Decade Skin ... Differential Diagnosis ... Seizures • Strokes Skin ... Erythematosus #Diagnosis