14 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... associated with pruritus ... Differential Diagnosis ... • Goodpasture syndrome ... #diagnosis #rheumatology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Creatinine & BUN: • Chronic ... Differential: • Lymphoma ... syndrome Psychiatric ... #primary #secondary ... #generalized #dermatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Secondary: CTD ... : • Behcet Disease ... • Cogan syndrome ... #skin #dermatology ... #rheumatology #
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Skin Lesion - Differential ... Creatinine & BUN: • Chronic ... Differential: • Lymphoma ... syndrome Psychiatric ... #secondary #systemic
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... leakage of RBC's secondary ... #hematology #rheumatology ... #nonpalpable #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Dermatomyositis Erythema chronicum ... Sarcoidosis • GPA ... Sarcoidosis #dermatology ... #differential #diagnosis ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Eosinophilia, asthma, chronic ... • ANCA (Dx: GPA ... #rheumatology # ... classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... Type III Often Secondary ... - GPA, EGPA, microscopic ... #types #classification ... #rheumatology #
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Marginal Zone Lymphoma ... Alpha & Mu) Skin ... Paraproteinemias #Hematology ... #Differential #Diagnosis ... #Oncology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
just beneath the skin ... DDX: Rule Out Secondary ... Marrow Failure • Chronic ... #Syndromes #diagnosis ... #hematology #oncology