ABSTRACT
Out of 222 patients complaining from signs and symtomps raised suspicion for brucellosis, 39 [16 males and 23 females] further more they suffered from joint and/or swelling. Blood and synovial fluid [SF] from each patient were subjected to serological tests and culture. Concerning SF specimens the investigations were extended to gross examination, Blood-Synovial Fluid Glucose Difference [G-S.F.G.D], protein determination, total and differential W.B.C. count. The investigations revealed high agglutinin titres in both blood and SF specimens, abnormal gross appearance, high value [beyond normal] of B-S.F.G.D., protein, total and differential W.B.C. count. The authors succeeded in isolating brucellae 34 and 36 of blood and SF specimens respectively, with predominance of Brucella abortus [26 out of 36]. Therefore this study recommends on looking after synovitis due to brucella whenever symptoms rais the suspicion of brucellosis or even when a patient complain from joint pain and also on doing culture for exclusive diagnosis and specific medication. Eventually to have an epidemiological concept, and determining resistance emergency of the isolates