Tuberculosis (TB) remain a major public health problem in our coutry. Diagnosis of this affection in immudeficient patients is difficult. We analyse in this retrospective study the prevalance, the clinical presentation and the outcome of tuberculosis occuring after renal transplantion in tunisian team experience. Among 359 renal transplanted recipients, 9 (2,5%) developped TB 49,6 months (3-156) after renal transplantation.There were 7 males and 2 females with a mean age of 37,8 years (15-53). The organs involves include lymph nodes in 1 case , lung in 5 cases, genito urinary in 1 case, rachis in 1case, pleural in 1 case and both pulmonary and urinary in 1 case . The diagnosis was bacteriologic in 6 cases, histologic in 1 case and 2 patients had high index of suspicion. All patients were treated by a combination of rifanpicine, Isoniazide, pyrazinamide and ethambutol. recurrence of TB infection was noted in 3 cases with multiple localisation: lymph node, muscle abscess, meningititis, genito urinary system, rachis and lung. Two patients died. In conclusion; In renal transplanted patients extra pulmonary involvement and reccurence of TB are frequent