[Evaluation and treatment of closed traumas of the kidney]

On the basis of a series of fifty-one blunt renal injuries and a review of literature, the characteristics of this affection are reviewed. This trauma typically occurs in young adults. Minor injuries are the most frequent (75.5 percent) and associated lesions are not rare. Computed tomography is the imaging technique of choice for renal trauma assessment. It can, sometimes, be replaced by urography-ultrasonography couple. Indications of these imaging modalities are reviewed. A classification in four types, adapted to new imaging methods, is proposed to harmonize or to compare therapeutic indications. The different therapeutic methods, their indications and their particularities are studied and a simple decisional strategy is proposed.