16 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Endocarditis, Idiopathic ... ANCA (C-ANCA): GPA ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Pigmented Purpuric Dermatosis ... - GPA - EGPA ... #Diagnosis #hematology ... #rheumatology #
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Autoimmune diseases • Clinical ... translocation • Types: Classification ... involvement Differential ... • Other hematologic ... #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... reticularis Differential ... Nasopharyngeal carcinoma • Hodgkin ... disease • Non-Hodgkin ... #diagnosis #rheumatology
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated Vasculitis ... pathologically or clinically ... polyangiitis (GPA ... #differential # ... diagnosis #algorithm #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Non-Infectious Aortitis: • Vasculitides ... ANCA associated vasculitis ... irAEs) (rare), Idiopathic ... #Diagnosis #rheumatology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Lymphoma - Clinical ... -95% of cases) Classification ... Immunohistochemical studies (to differentiate ... lymphoma #diagnosis #classification ... #hematology #oncology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... > PR3 60% • GPA ... lesions-interstitial keratitis ... #rheumatology # ... classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Syndrome: • Clinical ... Cryoglobulinemia Syndrome • Idiopathic ... - GPA, EGPA, microscopic ... diagnosis #types #classification ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... MPO > PR3 60/ GPA ... - interstitial keratitis ... Diagnosis #Rheumatology