Abstract: The skin hyper reactivity (SHR) as detected by the pathergy test is a common feature of Behcet's Disease (BD) in Middle East Countries and in Japan, but not in Western Countries. Yazici et al showed it's sensitivity and it's specificity. As the SHR in pathergy test is revealed by a pseudo folliculitis, it may have the same significance as the spontaneous pseudo folliculitis (PF) of BD. Thus if a patient ...