8 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Leukocytoclastic Vasculitis Secondary ... Associated: - Microscopic ... Disease • Cogan syndrome ... #dermatology #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
cases • Sjögren syndrome ... Vasculitis: • Microscopic ... polyangiitis without renal ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Type III Often Secondary ... Labs/Diagnosis: ... vasculitis - GPA, EGPA, microscopic ... Cryoglobulins #diagnosis ... classification #rheumatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
DDX: Rule Out Secondary ... abnormal under the microscope ... abnormal under a microscope ... abnormal under the microscope ... #diagnosis #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... PR3-ANCA): • Microscopic ... Dx: GPA, EGPA, microscopic ... • Urinalysis (Renal ... #rheumatology #
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
dyscrasias • Secondary ... Manifestations: Renal ... : • Nephrotic syndrome ... Carpal tunnel syndrome ... polarized light microscopy
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
other diseases • Secondary ... Diagnosis: • Dry ... cirrhosis: 3%-20% Renal ... Distal (Type I) renal ... #Rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... pulmonary and renal ... Vasculitis Differential Diagnosis ... (PR3-ANCA)): Microscopic ... #Rheumatology