30 results
Monkeypox

What?
Monkeypox virus belongs to the family Poxviridae, subfamily Chordopoxvirinae, and genus orthopoxvirus
Viral zoonotic disease that is
with someone with Mpox ... inguinal region • Mpox-related ... with confirmed mpox ... Conjunctivitis • Blepharitis ... #Monkeypox #MPOX
Blepharitis is one of the most common disorders of the eye and is often the underlying
Blepharitis is one ... #blepharitis #scurf
Painless Red Eye - Differential Diagnosis 
 • Subconjunctival Hemorrhate
 • Episcleritis
 • Blepharitis
 • Dry
Episcleritis • Blepharitis
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
associated with MPO ... polyangiitis - MPO ... polyangiitis - MPO ... Renal-limited - MPO ... #CANCA #PANCA #MPO
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Lacrimal System: • Blepharitis
Red Eye - Differential Diagnosis
Lids:
 • Stye (a.k.a. hordeolum)
 • Chalazion
 • Blepharitis
 • Periorbital cellulitis
Conjunctiva
• Chalazion • Blepharitis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
polyangiitis - MPO ... PR3 (80-90%) > MPO ... involvement - PR3>MPO ... Churg-Strauss) - MPO ... Anti-GBM disease - MPO
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
myeloperoxidase (MPO-ANCA ... present in >90%, MPO ... Granulomas - MPO ... (10-40% ANCA +MPO ... 100 % Commonly MPO-ANCA
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
most common) • Blepharitis ... • Chalazion • Blepharitis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
MPA > eGPA • MPO-ANCA