8 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Hypocomplementemic Urticarial Vasculitis ... Complex Formation - Complement ... Formation -> Vasculitis ... #HUV #Pathophysiology
Amebiasis - Balamuthia mandrillaris Life Cycle
1) Cysts
2) Trophozoite
3) Mitosis
4) Amebae (cysts and trophozoites) can enter humans
Amebiasis - Balamuthia ... who are immune competent ... #Amebiasis #Balamuthia ... #mandrillaris #LifeCycle ... #diagnosis #pathophysiology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... staining): • Low Complement ... Idiopathic • Normal Complement ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... Pathophysiology: ... trauma, infection, vasculitis ... process such as vasculiitis ... Purpura #Palpable #Algorithm
Amebiasis - Naegleria fowleri - Life Cycle
1) Cysts
2) Trophozoite
3) Flagellated Form
4) Promitosis
→ Water-related activities such as
Amebiasis - Naegleria ... occasionally in CSF #Amebiasis ... Naegleria #fowleri #LifeCycle ... #diagnosis #pathophysiology
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... Activation of complement ... Leukocytoclastic vasculitis ... #HSP #IgA #Vasculitis ... HenochScholeinPurpura #Pathophysiology
Amebiasis - Acanthamoeba Life Cycle
1) Cysts
2) Trophozoite
3) Mitosis
4) Amebae (cysts and trophozoites) can enter humans in
Amebiasis - Acanthamoeba ... #Amebiasis #Acanthamoeba ... #LifeCycle #diagnosis ... #pathophysiology
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
dysfunction PATHOPHYSIOLOGY ... aortitis, mimics vasculitis ... - ↑ IgE, ↓ complement