Unilateral neonatal cystic disease of the kidney as first manifestation of tuberous sclerosis] |
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Authors: | B Weil Lara J Ibá?ez Martínez I García González JJ Bedoya Belmonte |
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Affiliation: | Department of Rehabilitation Medicine, University of Washington, Seattle 98195, USA. |
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Abstract: | Traumatic optic neuropathy (TON) causes blindness of varied severity and occurs infrequently as a complication of closed head injury. A case is presented of TON that occurred in a patient who suffered complete T4 paraplegia from a motorcycle accident but in whom no severe head injury took place. In this case, high-dose intravenous methylprednisolone was begun for the spinal cord injury and repeated 24 hours later for the TON. Vision improved from near total blindness to 20/400 in the left eye (OS) and 20/130 in the right eye (OD). Two weeks later, however, the patient's vision suddenly worsened. Magnetic resonance imaging (MRI) using fat suppression confirmed a lesion along the optic nerve consistent with TON. A third course of methylprednisolone again led to improved vision. The steroids were then tapered orally over 2 weeks and the patient had no further relapses. Moderate to severely impaired vision of 20/ 400 OS and 20/130 OD continues to interfere with the patient's function and spinal cord rehabilitation program. It was concluded that a steroid taper was important in maintaining initial visual gains in this case. Awareness of TON and careful attention to the patient's clinical course can minimize deficit and maximize functional outcomes. |
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