PubMed · 7444749
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1980. Herniated intervertebral discs.. https://pubmed.ncbi.nlm.nih.gov/7444749/
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Hydrocephalus and pseudotumour cerebri are a rare complication of Guillain-Barré syndrome (GBS), occurring in about 4% of the cases. The high concentration of cerebrospinal fluid (CSF) protein may lead to a decreased CSF absorption in arachnoid villi. A 10-year-old boy with GBS and hydrocephalus is presented. A mechanical ventilation was required 7 days after admission and he had been on the mechanical ventilation for 6 weeks. Lumbar puncture performed on admission revealed clear CSF with an opening pressure of 15 cm H2O and no cells, a normal glucose level and a protein of 240 mg/dl. He complained of headache and diplopia 11 weeks after admission. Fundoscopy revealed papilloedema, and bilateral mild abducens pareses were also detected. Magnetic resonance imaging displayed a communicating hydrocephalus and interstitial oedema. A ventriculo-peritoneal shunt relieved the symptoms of intracranial hypertension. In GBS, serial computed tomographic scans should be performed in patients with headache and papilloedema. Hydrocephalus may develop in GBS.
The relationship between tumour necrosis factor-alpha (TNF-alpha) and the interleukin-2 (ILL-2) system in HIV-1 infection is important in understanding the dynamics of early immune response before the development of acquired immunodeficiency syndrome. Levels of TNF-alpha, IL-2 and soluble IL-2 receptor (sIL-2R) in serum and cerebrospinal fluid (CSF) samples from 31 asymptomatic HIV-1 seropositive individuals were measured. High levels of TNF-alpha were detected in CSF of 17 (55%) and serum of 22 (71%) subjects, 15 (88%) of whom had elevated CSF IL-2 levels and 16 (94%) had high sIL-2R levels. Moreover, CSF levels of TNF-alpha significantly correlated with CSF levels of IL-2 and sIL-2R. TNF-alpha, IL-2 and sIL-2R seem to be released within the intrathecal compartment early in the course of HIV-1 infection. In view of the known cytotoxic effects of TNF-alpha, an early release may contribute to subsequent development of neurological complications.
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