WILLIAM OMAR CONTRERAS LOPEZ
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- A ying and yang brain(2015) LOPEZ, W. O.; PATERNINA, J. J. G.; TIERNEY, T.
- Mystery Case: Brown-Sequard syndrome caused by idiopathic spinal cord herniation(2016) FONOFF, Erich Talamoni; LOPEZ, William Omar Contreras; TEIXEIRA, Manoel JacobsenA 48-year-old man developed numbness in the left leg, which progressed gradually to paresis and urinary incontinence. Neurologic examination revealed a left Brown-Sequard syndrome with leg paresis, mild spasticity, reduced proprioception, and contralateral thermal and painful hypoesthesia below T6. MRI revealed a thoracic spinal cord herniation (SCH) (figure). Idiopathic SCH is relatively rare. Pathogenesis involves a dura mater defect (see video on the Neurology (R) Web site at Neurology.org); herniation develops over a progressive pressure gradient through the dural fissure.(2) Surgical reduction is typically performed if symptoms progress, but mild symptoms may be eligible for conservative treatment and monitoring. Surgical spinal reduction and dural repair usually reverses neurologic deficits.
- Embryonic stem cells in neurology - current clinical transplantation trials in Parkinson's (PD) and Huntington's (HD) disease(2014) LOPEZ, William Omar Contreras; NIKKHAH, Guido; MACIACZYK, Jaroslaw