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Copyright ©2013 Baishideng Publishing Group Co.
World J Gastrointest Oncol. Jul 15, 2013; 5(7): 159-170
Published online Jul 15, 2013. doi: 10.4251/wjgo.v5.i7.159
Table 3 Other histological features in 29 cases of perihilar bile duct carcinomas n (%)
Gross type
Sclerosing10 (34.5)
Nodular8 (27.6)
Nodular-sclerosing6 (20.7)
Papillary2 (6.9)
Papillary-nodular2 (6.9)
Papillary-sclerosing1 (3.4)
BilIN
BilIN-1 and/or 210 (34.5)
BilIN-19 (31)
BilIN-25 (17.2)
BilIN-3 (in situ carcinoma)6 (20.7)
Lymphatic invasion (L1)9 (31)
Venous invasion (V1)11 (37.9)
Perineural invasion23 (79.3)
T-staging (according to AJCC/UICC (7th ed)
pTis1 (3.4)
pT11 (3.4)
pT2a10 (34.5)
pT2b12 (41.4)
pT35 (17.2)
Lymph node status:
Positive7 (24.1)
Negative16 (55.2)
No lymph nodes histologically studied6 (20.7)
Margin status
Negative (R0)12 (41.4)
Positive (R1) (invasive carcinoma)17 (58.6)
Bile duct margin10 (34.5)
Radial margin11 (37.9)