Biomedical subjects
Publications and source records attributed to T Nayernouri.
Development of parkinsonian features following a blunt head injury in a 37-year-old man is described. High definition computed tomography scan of the midbrain demonstrated low-density lesions in the region of substantia nigra.
Neurilemomas of the cauda equina can present with a clinical syndrome indistinguishable from an acute prolapsed lumbar intervertebral disk. There is backache and sciatica, occasionally after trauma, and straight leg raising is usually limited with signs of L-5 or S-1 root compression. The only distinguishing clinical characteristic is that the pain is worse on recumbency and relieved by sitting or walking. There may be no plain x-ray changes for many years and the tumor is usually at the level of L-2 or L-3 vertebral body. Seven such cases are described in this report.
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