Paraparesis [Neurosurgery Wiki]

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====== Paraparesis ======


Paraparesis ([[paraplegia]]) refers to partial (-paresis) or complete (-plegia) loss of voluntary motor function in the pelvic [[limb]]s. Similar involvement of all four limbs is termed [[tetraparesis]] ([[tetraplegia]]). Paraparesis generally results from [[spinal cord lesion]]s caudad to the second [[thoracic spinal cord]] segment, whereas tetraparesis occurs because of lesions cranial to this segment.

The limbs may be affected equally; however, asymmetric lesions cause greater clinical involvement on the ipsilateral side. Strictly unilateral lesions at C1-T2 result in clinical involvement on only the affected side of the body (hemiparesis, hemiplegia). Monoparesis (monoplegia) occurs subsequent to unilateral T2-S1 lesions
((Kornegay JN. Paraparesis (paraplegia), tetraparesis (tetraplegia),
urinary/fecal incontinence. Spinal cord diseases. Probl Vet Med. 1991
Sep;3(3):363-77. Review. PubMed PMID: 1802259.
))