Intramedullary vs extramedullary spinal cord lesions
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differences between intramedullary and extramedullary spinal cord lesions
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- 1. Intramedullary vs extramedullary spinal cord lesions By Dr. Yagnik Chhotala
- 3. SYSTEM FEATURES EXTRAMEDULLAR Y INTRAMEDULLAR Y HISTORY Onset Asymmetrical Symmetrical Pain Local or vertebral (extradural) Radicular (intradural) Funicular or tract pain MOTOR UMN signs early late LMN signs segmental diffuse SENSORY Sensory involvement Ascending (sacral involvement) Descending (sacral sparing) Dissociated sensory loss absent present AUTONOMIC Sphincter involvement late early
- 4. Spinal lesions above conus either extramedullary or intramedullary tend to be associated with sphincter distrubances only with extensive bilateral damage