13 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
: CTD: SLE, RA related ... Urticarial/LCV) - Cryoglobulinemic ... : • Behcet Disease ... #Vasculitis #skin ... #dermatology #rheumatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Connective tissue disease ... (10%) : SLE +++ ... #Vasculitis #dermpath ... #dermatology #semiology ... signs #lesions #diagnosis
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... insufficiency • Vasculitis ... Mycosis fungoides (cutaneous ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Hypersensitivity vasculitis ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... #differential #diagnosis ... #rheumatology
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
appearing during the disease ... Neutrophilic dermatosis ... dermatomyositis, SLE ... #differential #diagnosis ... #dermatology #oncology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... Pigmented Purpuric Dermatosis ... /HSP • Cryoglobulinemia ... #hematology #rheumatology ... #nonpalpable #dermatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... Henoch-Schönlein purpura) • Cutaneous ... (e.g. systemic lupus ... #types #classification ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis - Skin ... such as systemic lupus ... , and SLE) • Urinalysis ... #rheumatology # ... classification
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
gangrenosum • Cutaneous ... Scleromyxedema (Dermato-neuro ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Differential #Diagnosis
SLE (Systemic Lupus Erythematosus)

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