15 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
anywhere in the CNS ... from the brain ... disorders may mimic ... LMN syndromes are ... This lesion causes
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... encephalitis) • Brain ... lesions (e.g. stroke ... #diagnosis #neurology ... #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... nodules, may also see ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
BEE Syndromes - ... affecting the brain ... nervous system (CNS ... Inflammatory causes ... #Syndromes #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... nervous system: Brain ... Gravis - Lack of UMN ... aminotransferases • Serology ... #Diagnosis #neurology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
BEE Syndromes - ... affecting the Brain ... nervous system (CNS ... LHON) plus MRI lesions ... #Syndromes #neurology
Differential Considerations for a Seizure or Seizure-like Event
The following diagnoses may have presentations that can be
disorders - Mass lesions ... INFECTIOUS - CNS ... infections - Tetanus PSYCHIATRIC ... Cataplexy #Seizure #mimics ... diagnosis #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... MRI: Brain, cervical ... Further testing must be ... conditions listed in differential ... Lateral #Sclerosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
- Differential ... sensory loss Brain ... Unilateral Spinal Cord Lesions ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... Looks can be ... CT brain ⬇️ Dx- ... Lesion - infarction ... #physicalexam #neurology