Duodenum-preserving resection and Roux-en-Y pancreatic jejunostomy in benign pancreatic head tumors

Figure 4 B-ultrasonic examination and computed tomography scan of case 4. A: Enhanced computed tomography image of BTPH Uncinate process of multilocular cystic placeholder measured at 4.3 cm in a diameter; B: The tumor mass is carefully isolated along its edge; C: The uncinate process of multilocular cystic placeholder detected at 4.5 cm × 4.8 cm; D: After the resection of pancreatic head tumor, the wound surface area of the pancreas measured at 7.2 cm × 6.1 cm. BTPH: Benign tumors of the pancreatic head.