[Infantile myofibromatosis. Relationship with the genitourinary tract. Case reports and bibliographic review].

Objective: To present a case of infantile myofibromatosis of visceral location and a review of the literature.

Method/results: We report the case of an 11-year-old Caucasian girl hospitalized for abdominal tumorous mass, weight loss and lack of appetite. Physical examination showed: cutaneous-mucous paleness and a painless, palpable tumorous mass of 8-10cm in the right abdominal flank, of firm consistency with defined edges and extending past the midline.