Favorable outcomes of hilar duct oriented hepatic resection for high grade Tsunoda type hepatolithiasis

Table 1 Type of hepatic resection

Type of operation	n
Explo-laparotomy only1	6	Non-VHE(25)
LLS2	14
LLS+RPS3	2
RPS	3
CL4	4	VHE(128)
LL5±subsegmentectomy	114
RL+IVb6	10
Total	153

¹Explo-laparotomy only due to carcinomatosis of cholangiocarcinoma.

²Left lateral segmentectomy.

³Right posterior segmentectomy.

⁴Central lobectomy.

⁵Left lobectomy.

⁶Right lobectomy+subsegmentectomy IVb.

Table 2 Rate of residual and recurrent stones after VHE procedure (n=128) according to Tsunoda type

Tsunoda type	Number of residualstone (%)	Number of recurrentstone (%)
III	4/98 (4.1)	2/39 (5.1)
IV	3/30 (10)	0/9 (0)
Total	7/128 (5.4)	2/48 (4.2)

Table 3 Long-term results in patients (n=48) who underwent complete stone removal by VHE

Long-term results	Number of cases (%)
Free of symptoms and no recurrent stones	43 (89.6)
Recurrent stones with cholangitis	2 (4.2)
Cholangitis without recurrent stones	2 (4.2)
Cholangiocarcinoma	1 (2.1)