153 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
Motor Neuron (UMN ... the differential diagnosis ... In an LMN lesion ... UMC & LMN lesions ... UMN lesions are
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
Central - Small Lesion ... Disproportionate motor (UMN ... paraparesis (mixed UMN ... spinalcord #syndromes #diagnosis ... #neurology
Bilateral LMN palsy with tongue weakness, wasting and fasciculations.  →  Bulbar motor Neuron disease

Note
Bilateral LMN palsy ... differentiates this from an UMN ... fasciculations #LMN ... clinical #video #neurology ... #physicalexam
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
multiple spinal cord regions ... least two or more regions ... Other possible diagnosis ... Lateral #Sclerosis #neurology ... #diagnosis #management
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Ring-Enhancing Lesions ... - Differential Diagnosis ... usually multiple lesions ... #Differential #Diagnosis ... #neurology #radiology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
- Differential Diagnosis ... Infection • Neuro: UMN ... stroke, tumor), LMN ... #Differential #Diagnosis ... #causes #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Ring-Enhancing Lesions ... Chorioretinitis • Diagnosis ... #differential #diagnosis ... causes #radiology #neurology
Principal features of Destructive and Irritative cortical lesions in right-handed individual

#Cortical #Cortex #Lesions #Features #Signs #Symptoms
Irritative cortical lesions ... Cortical #Cortex #Lesions ... Symptoms #Brain #Neurology ... #Diagnosis
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
(a) Thalamic lesion ... (b) Brainstem lesion ... ) Central cord lesion ... #Diagnosis #Neurology ... Review in Clinical Neurology
Neurological Patterns of Weakness
 • Hemispheric lesion
 • Brainstem lesion
 • Spinal cord lesion
 • Polyneuropathy
• Hemispheric lesion ... • Brainstem lesion ... • Spinal cord lesion ... • Myopathy #Neurology ... Patterns #Weakness #diagnosis