Feasibility of laparoscopic isolated caudate lobe resection for rare hepatic mesenchymal neoplasms

Table 1 Clinical data

Patient No.	Gender	Age	Diagnosis	Tumor size (cm)
1	Male	42	HCC	1 × 1
2	Male	62	HCC	5 × 4
3	Male	52	HCC	2 × 1.5
4	Male	51	HCC	4 × 3
5	Male	44	HCC	8 × 4
6	Female	32	FNH	5 × 3
7	Female	52	HCC	2 × 2
8	Male	46	HCC	1 × 1
9	Female	32	IPT-like FDC sarcoma	3 × 3
10	Female	46	PEComa	2 × 1.5
11	Female	50	PEComa	1.8 × 1.3

HCC: Hepatocellular carcinoma; FNH: Focal nodular hyperplasia; PEComa: Perivascular epithelioid cell neoplasm; IPT-like FDC sarcoma: Inflammatory pseudotumor-like follicular dendritic cell sarcoma.

Table 2 Surgical data

Patient No.	Surgical procedure	Pringle maneuver	Blood loss (mL)	Operation time (min)	Complications	Time to removal of drainage tube (d)	Postoperative hospital stay (d)
1	Left	No	50	135	None	2	12
2	Right	No	300	150	None	6	11
3	Combined	No	500	375	Pleural effusion	23	27
4	Left	No	200	270	None	9	12
5	Left	No	500	620	Diarrheal	5	14
6	Left	No	1000	265	Pneumonia	6	10
7	Left	No	200	130	None	5	13
8	Left	No	200	173	None	10	25
9	Left	No	100	193	None	3	7
10	Combined	Yes	200	229	Pleural effusion	4	6
11	Left	No	100	255	None	3	6

Table 3 Results of statistical analysis

	Open surgery	Laparoscopic surgery	P
Blood loss (mL)	368 ± 105	133 ± 33	0.22
Operation time (min)	264 ± 59	225 ± 18	0.71
Complication	3/8	1/3	0.72
Time to removal of drainage tube (d)	8.2 ± 2.3	3.3 ± 0.3	0.23
Postoperative hospital stays (d)	15.5 ± 2.3	6.3 ± 0.3	0.006