From: Pedunculated early colorectal cancer with nodal metastasis: a case report
Author | Published year | Number of patients | Number of surgical resection | Rate of lymph node metastasis | Rate of lymph node metastasis | |
---|---|---|---|---|---|---|
Head invasion | Stalk invasion | |||||
Shatney | 1976 | 28 | 23 | 4% (1/23) | 0% (0/14) | 1% (1/9) |
Nivatvongs | 1978 | 16 | 3 | 33% (1/3) | 0% (0/2) | 100% (1/1) |
Colacchio | 1981 | 39 | 24 | 25% (6/24) | 29% (5/17) | 14% (1/7) |
Cooper | 1983 | 49 | 29 | 14% (4/29) | 0% (0/26) | 17% (4/23) |
Pines | 1990 | 43 | 19 | 0% (0/19) | 0% (0/11) | 0% (0/8) |
Matsuda | 2011 | 384 | 230 | 3.5% (8/230) | 0% (0/101) | 6.2% (8/129) |
Asayama | 2016 | 176 | 81 | 4.9% (4/81) | 2.4% (1/41) | 7.5% (3/40) |
Kimura | 2016 | 76 | 76 | 11.8% (9/76) | 13.3% (4/30) | 10.9% (5/46) |