2053 results
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
Tolosa-Hunt Syndrome ... • Unilateral orbital ... sinus, superior orbital ... fissure or orbit ... #Tolosa #Hunt #Syndrome
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 ... #Cellulitis #pathophysiology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
encephalopathy, Orbital ... apex syndrome, ... Miller-Fisher syndrome ... Ischemic neuropathy, Orbital ... , pseudotumor, Orbital
Cubital Tunnel Syndrome: Pathogenesis and clinical findings

 • Paresthesia of 5th and medial half of 4th
Cubital Tunnel Syndrome ... Tinel sign over cubital ... CubitalTunnel #Syndrome ... #Diagnosis #pathophysiology
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
thrombosis) - Orbital ... Vascular - Orbital ... hemangioma - Orbital ... Tvumor - Orbital ... - Spheno-orbital
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Miller-Fisher syndrome ... • Orbital pseudotumor ... • Orbital myositis ... Traumatic neuropathy (orbital ... blowout fracture of orbital
Lateral Canthotomy / Cantholysis - Procedure Instructions

The orbit is a relatively closed compartment and an acute
Instructions The orbit ... acute increase in orbital
Ophthalmoplegia secondary to Orbital Apex Syndrome

A 61-year-old man presented with retro-orbital pain, near-complete ophthalmoplegia, loss of
Ophthalmoplegia secondary to Orbital ... Apex Syndrome ... presented with retro-orbital ... Ophthalmoplegia #Orbital ... #Apex #Syndrome
Atraumatic Red Eye - Differential Diagnosis Algorithm
Lids / Orbit / Lacrimal System:
 • Blepharitis
 • Stye
Algorithm Lids / Orbit ... cellulitis • Orbital
Pathophysiology of hepatorenal syndrome (HRS)

doi: 10.1136/bmj.m2687 

#hepatorenal #syndrome #HRS #Pathophysiology #nephrology
Pathophysiology ... of hepatorenal syndrome ... #hepatorenal #syndrome ... #HRS #Pathophysiology