Retroperitoneal margin of the pancreaticoduodenectomy specimen: anatomic mapping for the surgical pathologist

Surgical margin status of the pancreaticoduodenectomy specimen is an independent predictor of survival in patients with pancreatic head cancer. Although most surgical pathologists are familiar with the protocols for grossing and evaluation of the various margins of the specimen, the currently prevailing definitions of the retroperitoneal surgical margin minimize the fact that this margin is actually a combination of surfaces of different …