Application and progress of medical imaging in total mesopancreas excision for pancreatic head carcinoma

Figure 3 Typical CT features of pancreatic head carcinoma in a 73-year-old male patient. A: On noncontrast CT imaging a slightly low-density mass (arrow) in the pancreatic head area was identified; B–D: On contrast CT images, the tumor shows an avascular tumor with a lower density than normal pancreatic parenchyma on arterial phase (B), venous phase (C), and delay phase (D). CT: Computed tomography.