A rare case of Krukenberg tumor by gallbladder cancer

•Gallbladder carcinoma is a rare malignancy with a significant source of mortality in selected areas of high incidence.•Krukenberg tumor by gallbladder cancer is a very uncommon finding with diagnostic difficulties for clinicians.•The variable clinical presentation, radiology and serum markers make the appropriate histological diagnosis mandatory.•The presence of Krukenberg tumor should be considered in the work-up of gallbladder cancer.