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

Immune Complex Mediated (granular staining):
Endocarditis, Idiopathic ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm ... #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 ... #differential # ... diagnosis #algorithm ... #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... ANCA associated vasculitis ... Arthritis (RA), Systemic ... irAEs) (rare), Idiopathic ... #Diagnosis #rheumatology
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
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... lesions-interstitial keratitis ... differential #diagnosis ... #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 #
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... Hodgkin Lymphoma ... Lymphoproliferative #Disorders #Classification ... pathophysiology #Hematology ... #algorithm
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... - interstitial keratitis ... #Differential # ... Diagnosis #Rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Iridocyclitis - Juvenile idiopathic ... Neurologic system ... Lyme disease, Vasculitis ... #joint #pain #differential ... #diagnosis #rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Neutrophilic dermatosis ... Autoimmunity: • -MM/WM: Vasculitis ... Subcorneal pustular dermatosis ... Paraproteinemias #Hematology ... #Monoclonal #Differential