Colecistitis aguda asociada a sepsis por Staphylococcus aureus en un recién nacido

background: acute cholecystitis is an uncommon pathology in newborns. objective: report the case of a newborn with acute cholecystitis secondary to staphylococcus aureus sepsis. case report: a 23 days-old female newborn with clinical symptoms of sepsis associated with clinical signs of acute abdomen. an exploratory laparatomy was performed, finding an inflamated hydropic gallbladder that required cholecystectomy. the biopsy confirmed diagnosis. conclusion: acute cholecystitis is an uncommon pathology in newborns. clinical findings include acute abdomen and palpable abdominal mass. the diagnosis is suspected by ultrasonography and confirmed with laparotomy