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Crow-Fukase syndrome and VEGF Kimiyoshi Arimura 1 , Teruto Hashiguchi 2 , Fujio Umehara 1 1Neurology and Geriatrics, Kagoshima University Graduate School of Medicine and Dental Sciences 2Laboratory and Vascular Medicine, Kagoshima University Graduate School of Medicine and Dental Sciences Keyword: Crow-Fukase syndrome , POEMS syndrome , vascular endothelial factor , polyneuropathy , organomegaly , diagnostic criteria pp.545-554
Published Date 2003/8/10
DOI https://doi.org/10.11477/mf.1431100337
  • Abstract
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 Crow-Fukase syndrome is diagnosed by the presence of chronic sensori-motor polyneuropathy occurring with other characteristic generalized symptoms that go by the acronym of POEMS. In this syndrome, vascular endothelial growth factor in serum is abnormally elevated and is predictive of the diagnosis. In circulating blood, VEGF is specifically stored in platelets and released during platelet aggregation. VEGF is known to upregulate the expression of tissue factor and to induce hyper-coagulability. Highly concentrated VEGF in platelets may be released in massive amounts due to coagulation in the peripheral tissue thereby reinforcing its physiological potency. The correlation between polyneuropathy and elevated VEGF is not yet well understood. VEGF may affect the blood-nerve barrier by increasing microvascular hyper-permeability thereby causing intraneural edema and subsequently increasing endothelial pressure. VEGF may upregulate other cytokines such as matrix metalloproteases and induce blood-nerve barrier breakdown and demyelination of the peripheral nerve. In order to study the correlation between VEGF and the other generalized manifestations, we transplanted VEGF secreting tumors in nude mice and studied the pathological findings in these mice. Prominent edema with elevated serum VEGF was found. Organomegaly was also found in the liver, spleen and kidney. Pathological findings in these organs were similar to those found in autopsies of CFS patients. These findings suggest that elevated VEGF may be closely correlated with generalized edema(anasarca). However, it is also important to consider factors such as cytokines and other T cell functions that, in association with VEGF, may be the cause of neuropathy in CFS. For effective and early treatment, diagnostic criteria for the Crow-Fukase syndrome will be needed.


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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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