38 results
Anisocoria Evaluation Flow Chart - Differential Diagnosis
1. Check pupillary reaction to light 
2. Measure pupil size.
Anisocoria Evaluation ... - Differential Diagnosis ... - Horner's Syndrome ... - CN III Palsy ... #Differential #Diagnosis
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
) Nerve palsy ... ) Nerve palsy • ... One-and-a-half Syndrome ... #differential #diagnosis ... #ocular
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... : • CN Ill Palsy ... • Physiologic Anisocoria ... #Adies #Pupil #PhysicalExam
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... Other brainstem syndromes ... • Transverse myelitis ... pain • Extra-CNS ... Manifestations #diagnosis
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... VI palsy) • ... Miller-Fisher syndrome ... pseudotumor • Orbital myositis ... #Differential #Diagnosis
Pupillary Abnormalities  Overview
 - Unequal Pupils (anisocoria)
 - Tonic pupil (Adie's pupil)
 - OculomotorNerve (CN
Unequal Pupils (anisocoria ... OculomotorNerve (CN ... - Homer's Syndrome ... #Diagnosis #Ophthalmology ... Differential #Types #Anisocoria
CN III Palsy - Oculomotor Nerve
 • Ptosis: Loss of innervation of the levator palpebrae superior.
CN III Palsy - Oculomotor ... comparison to Horner's syndrome ... neudrawlogy #CNIII #CN3 ... #Palsy #Oculomotor ... Cranial #neurology #diagnosis
Parkinson's Plus Syndromes - Atypical Parkinsonism
Main motor symptoms:
 • Tremors
 • Limb rigidity
 • Bradykinesia
Other symptoms
Parkinson's Plus Syndromes ... Parkinson's plus syndrome ... Progressive supranuclear palsy ... (CBS) • Dementia ... #Parkinsonism #diagnosis
Adie’s Tonic Pupil on Physical Exam

A young female was referred in for a sudden onset anisocoria.
a sudden onset anisocoria ... Her ocular exam ... the exception of anisocoria ... oculomotor nerve palsy ... ophthalmology #physicalexam
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... pulmonary etc) • CNS ... • Acute stroke syndromes ... Paraneoplastic syndrome ... #Differential #Diagnosis