Transcatheter arterial embolization for unruptured renal angiomyolipoma using a 1.8-Fr tip microballoon catheter with a mixture of ethanol and Lipiodol

Table 3 Comparison of diameter and volume of tumors between pre-TAE and post-TAE

Patient No.	Tumor No.	Long-axis length of the tumor (mm)		Volume of tumor (mm³)		Diameter reduction rate (%)	Volume reduction rate (%)	Follow-up period (months)
		Pre- TAE	Post- TAE	Pre- TAE	Post- TAE
1	1	44	19	35,732	2646	57	93	54
2	2	42	34	30,084	15,452	19	49	14
3	3	55	50	38,013	19,871	9	48	9
4	4	64	24	82,938	5089	63	94	13
5	5	55	24	60,821	4976	56	92	20
5	6	49	35	36,637	7660	29	79	20
6	7	40	29	22,075	6681	28	70	10
7	8	40	24	20,106	5014	40	75	14

TAE transcatheter arterial embolization, No. number
Volume of the tumor was calculated with the following formula: (width × depth × height) × (π/6)