CSF tau protein is a useful marker for effective treatment of superficial siderosis of the central nervous system: two case reports.
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| Abstract |
We report two cases of superficial siderosis (SS) of the central nervous system (CNS), which is caused by chronic haemorrhaging into the subarachnoid space with haemosiderin deposition in the superficial portion of the CNS. Patient 1 had fluid collection in the spinal canal, which was reported as the source of the chronic bleeding. Patient 2 was bleeding from thickened dura at the level of the sacral vertebrae. Both of the patients had xanthochromic cerebrospinal fluid. We surgically repaired the sources of bleeding. Subsequently the cerebrospinal fluid (CSF) cleared and their symptoms were not aggravated for about 1 year. We measured several CSF markers of SS before and after surgery. Total tau protein (CSF-t-tau), phosphorylated tau protein (CSF-p-tau), iron (CSF-iron) and ferritin (CSF-ferritin) in the CSF were highly elevated at diagnosis. After surgery, the levels of CSF-t-tau and CSF-p-tau were markedly reduced while CSF-iron and CSF-ferritin had not decreased. It is suggested that CSF-t-tau and CSF-p-tau reflected the neural damage in SS and were useful to evaluate the effectiveness of SS therapies.
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| Authors | Tokuhei Ikeda, Daisuke Noto, Moeko Noguchi-Shinohara, Kenjiro Ono, Kazuya Takahashi, Chiho Ishida, Mitsuhiro Yoshita, Masahito Kawaguchi, Norio Kawahara, Kazuo Iwasa, Katsurou Tomita, Masahito Yamada |
| Journal | Clinical neurology and neurosurgery (Clin Neurol Neurosurg) Vol. 112 Issue 1 Pg. 62-4 (Jan 2010) ISSN: 1872-6968 [Electronic] Netherlands |
| PMID | 19747766 (Publication Type: Case Reports, Journal Article) |
| Copyright | 2009 Elsevier B.V. All rights reserved. |
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