355 results
Proptosis - Differential Diagnosis - Unilateral vs Bilateral
Unilateral:
 • Infections (can become bilateral with cavernous sinus
- Differential Diagnosis ... Infections (can become bilateral ... Sarcoid (can be bilateral ... #Differential #Diagnosis ... #Causes #ophthalmology
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... optic neuropathy Bilateral ... to eye, Trauma Bilateral ... #differential #diagnosis ... #causes #ophthalmology
Pupils: Localization in Coma
 • Small, Reactive pupils: Metabolic coma.
 • Unilateral Fixed, dilated pupil :
Unilateral Fixed ... • Bilateral, Large ... • Bilateral, midposition ... Localization #Coma #Neurology ... #differential #diagnosis
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
- Differential Diagnosis ... Stroke/lnfarct - Bilateral ... exposure) - Bilateral ... #Differential #Diagnosis ... #causes #ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
of the cell -> Bilateral ... Retinoblastoma Signs / Symptoms ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
- Differential Diagnosis ... Features of hematologic ... malignancy: • Symptoms ... : B-symptoms, bruising ... #Algorithm #hematology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
intact) - Usually bilateral ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
- Differential Diagnosis ... Peripheral lesion - Bilateral ... nerve palsy) - Unilateral ... #Differential #Diagnosis ... Algorithm #Causes #neurology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Compression/injury of Lateral ... are typically unilateral ... sensory • Before diagnosis ... on palpation of lateral ... #differential #diagnosis
Migraine with Aura
Diagnostic Criteria (ICHD-3):
A) At least 2 attacks fulfilling criteria B and C:
B) One or
Migraine with Aura Diagnostic ... is unilateral ... another ICHD-3 diagnosis ... Migraine #Aura #diagnosis ... #criteria #neurology