Skip to main content

Table 2 Pattern of lymph node distribution (n = 662)

From: Factors predicting adequate lymph node yield in patients undergoing pancreatoduodenectomy for malignancy

Group according to JSBS/JPS Location Median (IQR) of examined nodes No. (%) of patients with metastatic nodes by cancer site
Pancreatic
n = 388
Ampullary
n = 236
Bile duct
n = 38
5 Gastric lesser curve and suprapyloric 2 (1–3) 5 (1) 2 (1) 0
6 Gastric greater curve and infrapyloric 3 (1–5) 12 (2) 2 (1) 0
8 Common hepatic artery 2 (1–3) 49 (13) 6 (3) 0
9 Celiac trunk 2 (1–4) 24 (6) 4 (2) 0
12 Hepatoduodenal ligament 3 (2–5) 57 (15) 13 (6) 2 (5)
13 and 17 Pancreaticoduodenal 8 (6–12) 238 (61) 104 (44) 19 (50)
14 Superior mesenteric artery 2 (1–3) 44 (11) 6 (3) 2 (5)
16 Para-aortica 4 (2–6) 40 (10) 7 (4) 2 (5)
Overall All stations 17 (11–25) 264 (68) 113 (48) 19 (50)
  1. Abbreviations: JSBS Japanese Society of Biliary Surgery, JPS Japan Pancreas Society, IQR interquartile range
  2. aOnly patients with para-aortic lymph node dissection (n = 178)