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Plasma benzaldehyde levels in the diagnosis of Behçet's disease Kiyoshi Ikeda 1 , Keizo Homma 1 , Ken-ichi Okuwaki 1 , Mikio Miyata 1 , Satoshi Ishikawa 1 1Dept. of Ophthalmol, Sch of Med, Kitasato University pp.491-494
Published Date 1988/5/15
DOI https://doi.org/10.11477/mf.1410210366
  • Abstract
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Environmental chemicals, such as organophos-phate pesticides and organic solvents, have been reported to be implicated in the etiology of Behçet' s disease.

We evaluated 25 patients with Behçet's disease who had been exposed to toluene and compared with 30 healthy subjects who had also been exposed to toluene. We quantified venous blood levels of benzaldehyde and urinary hippuric acid, which are the metabolites of toluene. The normal range of benzaldehyde and hippuric acid were less than 4.1 μg/ml and 1000 mg/l respectively. The mean value of benzaldehyde was 5.34±3.88 μg/ml in Behget's disease group and 1.43±1.27 μg/ml in the control group. This difference was significant (p<0.05). The concentration of hippuric acid were within normal range both for the patient and control groups.

The plasma benzaldehyde level was significantly elevated in patients with Behget's disease, if the patient has had contact with toluene. This test also promises to be of value in the diagnosis of Behget' s disease in cases of uveitis of unclarified nature.

Rinsho Ganka (Jpn J Clin Ophthalmol) 42(5) : 491-494, 1988


Copyright © 1988, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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