5810 results
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
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Orbital Cellulitis ... anterior to the orbital ... Inflammation of orbital ... • Involves the orbit ... ophthalmology #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
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
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
#Preseptal #Postseptal #Orbital #Cellulitis #Periorbital #comparison #diagnosis
Preseptal #Postseptal #Orbital ... Periorbital #comparison #diagnosis
Preseptal vs. Orbital Cellulitis

Infection of the anterior portion of the eyelid vs. Infection of the the
Orbital Cellulitis ... Infection of the the orbital ... Alert_Oriented3 #Preseptal #Orbital ... Cellulitis #comparison #diagnosis
Traumatic Red Eye - Differential Diagnosis Algorithm
Surface Injury:
 • Corneal Abrasion
 • Ultraviolet Keratitis
 • Chemical
- Differential Diagnosis ... emphysema of lid: • Orbital ... Mid-facial Fracture • Orbital ... Floor Fracture • Orbital ... #Differential #Diagnosis