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Aims:  Behcet's disease (BD) was originally a disease of the Silk Road. Some authors think that BD from the Silk Road is different from those seen in other countries. The aim of this study was to analyze the clinical manifestations of BD in APLAR countries, where some of them are in the Silk Road (SR) and some others not (NSR).

Methods:  Data from Australia (NSR), Hong Kong (NSR), India (SR), Iran (SR), and Singapore (SR) were selected and analyzed under the same protocol. Prior published data from China (SR) Japan (SR) and Korea (SR) were included in the analysis.

Results:  The mean age at the onset of the disease was under 30 for all countries except Japan and Singapore. The male gender was more frequent except in Australia and Korea. Oral aphthosis was the most frequent manifestation (90–100%). Genital aphthosis was less frequent (57–82%). Skin manifestations were also frequent (61–87 …