Abdominal tuberculosis is a rare disease, with non-specific findings. Abdominal tuberculosis can mimic different pathologies. Abdominal tuberculosis could affect the entire gastrointestinal tract, peritoneum, mesentery as well as the solid organs like liver, spleen and pancreas. We present a 42-year-old woman with intra-abdominal mass of unknown origin which was interpreted as peritoneal carcinomatosis intraoperatively.