<prompt> All are present in Behcets syndrome, except:ArthritisHepato-splenic involvementMucocutaneous involvementNeuro-ocular involvement  <response>: Behcets syndrome is a multisystemic, chronic disorder, characterized by oral and genital aphthous ulcers, arthritis, and cutaneous lesions, ocular, gastrointestinal, and neurological manifestations. This disease is usually present in adulthood and is uncommon in children. It is well accepted that Behcets syndrome is associated with the allele HLA-B51 chromosome 6p21, which is relatively common in many ethnic groups.Organophosphates, organochlorides, heavy metal intoxication, and allergens are environmental factors that may trigger initiation or exacerbation of Behcets disease.Reference: Shafers Textbook of ORAL PATHOLOGY Eighth Edition page no 595,596 