Cystic echinococcosis of the liver and lung treated by radiofrequency thermal ablation: An ex-vivo pilot experimental study in animal models

Table 1 Baseline characteristics of liver and lung cysts and results of treatment with RTA

	Liver (n = 9)		Lung (n = 8)
	Baseline	Post-RTA	Baseline	Post-RTA
Cyst volume (mL)1
Average	40.5	14.9	158.7	57.1
Range	8.3-61.6	2.0-28.3	4.2-471	1.3-287.8
Fluid echo pattern2
Anechoic	9	0	6	0
Anechoic + ground	0	0	2	0
Disomogeneous	0	9	0	8
Proligera status1
Adhered	9	6	6	6
Focally detached	0	3	2	2
Detached	0	0	0	0
Wall calcification (any)1	0	0	0	0
Daughter/adjacent cysts1	1	1	1	1
Internal	0	0	0	0
External	1	1	1	1
Killing rate (%)3	-	100	-	100
Pericyst necrosis (cm)3
Mean (range)	-	0.64 (0-2)	-	1.57 (0.8-2.5)
External temperature (°C)4
Average of peaks		42.9		52.6
Range of peaks		23-69		39-64
Gradient T (range)5		11.9-58.3		16.9-38.7

¹Ultrasound and pathology assessment;

²Ultrasound assessment;

³Pathology assessment;

⁴During the procedure;

⁵Gradient T = T_max internal - T_max external. RTA: Radiofrequency thermal ablation