[False retroperitoneal tumor; perisigmoid abscess; crisis of nephritic colic in a three-year-old boy].
D000005:Abdomen; D000008:Abdominal Neoplasms; D000038:Abscess; D003085:Colic; D003106:Colon; D006801:Humans; D008297:Male; D009369:Neoplasms; D012186:Retroperitoneal Neoplasms
ABDOMEN/neoplasms; ABSCESS; COLON/abscess
Falso tumor retroperitoneal; absceso perisigmoideo; crisis de cólicos nefríticos en un niño de tres años.