Histopathological study of hepatocellular carcinoma after transcatheter hepatic arterial embolization

Table 1 Pathology of resected tumors

Case no.	Age/sex	Pathological diagnosis	Differentiation	Encapsulated	TAE/DSA, time	Necrosis, %	Vascular damage	Lymphocyte infiltration
1	34/M			Yes	5	100	Yes	+++
2	41/F	HCC	P	Yes	1	30	Yes	++
3	50/F	HCC	M	Yes	2	50	Yes	+++
4	62/M	HCC	M	Yes	2	90	Yes	+++
5	25/M	HCC	M	Yes	4	95	Yes	++
6	56/M	HCC	M	Yes	3	0	No	+
7	47/M	HCC	M	Yes	5	0	No	+
8	30/M	HCC	M	Yes	2	90	Yes	+
9	27/M	HCC	M	Yes	3	90	Yes	+++
10	38/M			Yes	2	100	Yes	++
11	53/M	HCC	M	Yes	4	0	No	++
12	32/M			Yes	3	100	Yes	+
13	64/M	HCC	M	Yes	1	0	No	+++
14	45/M	HCC	P	Yes	1	0	No	+
15	67/M	HCC	M	Yes	1	30	Yes	+
16	55/M			Yes	1	100	Yes	+
17	38/M	HCC	W	Yes	1	0	No	+
18	29/M	HCC	P	Yes	3	95	Yes	+
19	50/M	HCC	P	Yes	3	80	Yes	+++
20	54/M	HCC	W	Yes	1	30	Yes	+++
21	42/F	HCC	M	Yes	1	40	Yes	+++
22	58/M	HCC	W	Yes	2	90	Yes	+++
23	54/M			Yes	2	100	Yes	+++
24	43/F	HCC	M	Yes	2	5	No	+++
25	46/M	HCC	M	Yes	1	0	No	++
26	44/M			Yes	2	100	Yes	+
27	52/M	HCC	P	Yes	1	5	No	+++
28	40/M	HCC	W	Yes	1	0	No	+++
29	56/M	HCC	M	Yes	3	50	Yes	+++
30	54/M	HCC	M	Yes	4	80	Yes	+++
31	17/M	MN	P	No	2	0	Yes	+
32	51/F	MN	M	No	1	0	No	+
33	49/F	MN	M	No	1	0	No	+
34	47/M	MN	W	No	1	0	No	++
35	42/M	CC	W	No	1	0	Yes	+
36	55/M	W	No	1	0	Yes	++
37	56/M	HCC	P	No	1	0	No	+
38	43/M	MN	M	No	1	0	No	+
39	56/M	HCC	P	No	1	0	No	+
40	54/M	HCC	W	Yes	DSA	0	No	++
41	64/M	HCC	M	Yes	DSA	0	No	++
42	54/M	HCC	M	Yes	DSA	0	No	+
43	49/M	HCC	M	Yes	DSA	0	No	++
44	51/M	HCC	W	Yes	DSA	0	No	++
45	56/M	HCC	W	Yes	DSA	0	No	+
46	33/F	HCC	M	Yes	DSA	0	No	++
47	66/M	HCC	W	Yes	DSA	o	No	+
48	60/M	CC	W	No	DSA	0	No	+
49	61/M	HCC	W	Yes	DSA	0	No	+
50	55/M	MN	P	No	DSA	0	No	+

CC: Cholangiocarcinoma; HCC: Hepatocellular carcinoma; M: Moderately differentiated; MN: Metastatic neoplasm; P: Poorly differentiated; W: Well differentiated; DSA: Digital selective angiography; TAE: Transcatheter arterial chemoembolization.

Table 2 Necrosis and related factors

	Necrosis, %	Cases, n	Histology			Encapsulated		Vascular damage		Differentiation			TAE, time					Lymphocyte infiltration
			HCC	CC	MN	Yes	No	Yes	No	W	M	P	1	2	3	4	5	+	++	+++
	100	6				6	0	6	0				1	3	1	0	1	3	1	2
TAE	30-95	14	14	0	0	14	0	14	0	2	9	3	4	4	4	2	0	3	2	9
	< 5	19	12	2	5	10	9	3	16	5	9	5	14	2	1	1	1	11	4	4
Controls (DSA)	0	11	9	1	1	9	2	0	11	6	4	1						5	6	0

CC: Cholangiocarcinoma; HCC: Hepatocellular carcinoma; M: Moderately differentiated; MN: Metastatic neoplasm; P: Poorly differentiated; W: Well differentiated; DSA: Digital selective angiography; TAE: Transcatheter arterial chemoembolization.