416 results
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Orbital Cellulitis ... Chemosis: Edema ... anterior to the orbital ... > Conjunctival chemosis ... ophthalmology #diagnosis
Chemosis in Post-Septal (Orbital) Cellulitis - Slit Lamp Ocular Examination

Dr. Sebastian Vega @oftalmopo

#Chemosis #Orbital #Cellulitis #conjunctiva
Chemosis in Post-Septal ... (Orbital) Cellulitis ... @oftalmopo #Chemosis ... #Orbital #Cellulitis
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
• Unilateral orbital ... sinus, superior orbital ... fissure or orbit ... TolosaHunt #neurology #diagnosis
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
- Differential Diagnosis ... thrombosis) - Orbital ... Vascular - Orbital ... Tvumor - Orbital ... #Differential #Diagnosis
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
- Differential Diagnosis ... Algorithm Lids / Orbit ... cellulitis • Orbital ... #Differential #Diagnosis
Preseptal Cellulitis vs Orbital Cellulitis
Preseptal Cellulitis
 • Unlikely to have complications
 • Due to external source
Cellulitis vs Orbital ... Strep, Anaerobes Orbital ... #Preseptal #orbital ... Cellulitis #comparison #diagnosis
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
encephalopathy, Orbital ... Ischemic neuropathy, Orbital ... , pseudotumor, Orbital ... #differential #diagnosis
Phimosis 
Inability to retract the foreskin - Can be normal up to 3 years old -
Phimosis Inability ... emergency #Phimosis ... Paraphimosis #Comparison #Diagnosis
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... syndrome • Orbital ... pseudotumor • Orbital ... blowout fracture of orbital ... #Differential #Diagnosis
Diseases Presenting with Pain Out Of Proportion (POOP) - Differential Diagnosis:
 - Orbital Cellulitis 
 -
- Differential Diagnosis ... : - Orbital Cellulitis ... Disproportionate #Diseases #Diagnosis