Dorsal inflammatory mass secondary to lost stones after laparoscopic cholecystectomy.

The most frequent intraabdominal complication after lost stones are abscesses, which account for 65% of complications. The main risk factors are: old age, male gender, surgical difficulty, leakage of lithiasis of more than 1.5 cm or more than 15 stones, perihepatic location and pigmented gallstones. We report the case of a 73-year-old man with a medical history of hypertension, diabetes, chronic kidney failure and laparoscopic cholecystectomy.