<prompt> All of the following are suggestive of behcets ExceptOrogenital ulcersPolyahiritisUveitisLivedo reticularis  <response>: Criteria for Bechets syndrome Essential criteriaNon-essential criteriaOther clinical featuresRecurrent oral ulceration Painful Shallow with central yellowish necrotic base Heals without scarring Recurrent genital ulcers - scrotal scarring, do not involve glans or urethra Eye - panuveitis, retinal vasculitis Skin - Erythema nodosum, Pseudofolliculitis, Papulopustular lesions, acneform nodules Positive pathergy test Non deforming ahritis of knee, ankles Thrombophlebitis Dural vein thrombosis Mucosal ulceration of GITPulmonary aery vasculitis Refer: Mohindras Fundamentals of Ohopedics, 2nd edition, pg no. 527 