16 results
Cranial Nerve V - Trigeminal Nerve - Cross Sectional Nuclei Anatomy
 • Mesencephalic Nucleus of CN
Cranial Nerve V ... CN V • Main Sensory ... Nucleus of CN V • Spinal ... CranialNerve #Nuclei #CrossSectional ... #Anatomy #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... and/or genital sensory ... Differential Diagnosis ... MRI- Sagittal, axial ... #causes #neurology
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Root Sensory Motor ... Respiration None C5 Radial ... #differential #diagnosis ... #Neurology #Spine
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
- Differential Diagnosis ... Sub-Cortical (Corona radiata ... findings Unilateral Spinal ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Conditions: • Cauda ... Equina Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... result in permanent neurologic ... involvement Cauda ... #differential #diagnosis ... #neurology
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
Incomplete spinal ... cord syndromes ... LMN types) • Cauda ... Incomplete #spinalcord #syndromes ... #diagnosis #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Acute Spinal Cord ... Sensory loss below ... bladder and rectal reflex ... #diagnosis #pathophysiology ... #orthopedics #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Neoplasm in lumbar spine ... etc) in lumbar spine ... of normal leg reflexes ... pathophysiology #diagnosis
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... Lower roots -> Cauda ... MCTD, Sjogren syndrome ... dysfunction • Abnormal reflexes ... #neurology #differential