Renal angiomyolipoma is the most common benign tumor of the kidney. However it can also give rise to serious complications. This entity poses both a diagnostic and a therapeutic problem.The aim of this study is to highlight the epidemiological clinical radiological therapeutic and evolutionary particularities of this tumor.Our book consists of an analytical retrospective uni-centric study of 21 cases of patients with one or more renal angiomyolipomas with a review of the literature.