Early radiological assessment of locally advanced pancreatic cancer treated with electrochemotherapy

Table 4 Treatment response assessment based on response evaluation criteria in solid tumour 1.1 criteria evaluated by magnetic resonance and computed tomography, based on Choi criteria evaluated by computed tomography, based on perfusion and diffusion parameters evaluated by dynamic contrast enhanced-magnetic resonance imaging and diffusion weighted imaging data and based on positron emission tomography response criteria in solid tumors criteria evaluated by positron emission tomography/computed tomography

No.	ΔCT largest diameter	ΔHU	ΔMR largest diameter	ΔWIS	ΔWOS	ΔDt	Δfp	ΔDp	ΔSUVmax	Response assessment
1	11.6%	22.7%	8.4%	35.4%	40.0%	-78.1%	12.1%	61.9%	-177.8%	PR
2	9.1%	40.4%	10.4%	84.7%	85.0%	-32.7%	27.3%	78.7%		PR
3	8.5%	34.0%	11.5%	94.0%	74.4%	-64.4%	28.5%	50.3%	38.5%	PR
4	13.6%	7.8%	2.0%	88.0%	76.0%	-16.8%	32.7%	36.6%		PR
5	3.9%	48.7%
6	6.3%	18.9%
7	27.3%	49.5%
8	26.7%	51.6%
9
10	17.9%	42.6%							100.0%	PR
11	-5.4%	49.1%	12.1%	18.4%	9.7%	-20.4%	-33.3%	5.4%	66.5%	SD
12	12.7%	6.8%	19.1%	57.9%	98.0%	-34.2%	11.7%	12.0%	-17.9%	SD
13	6.7%	44.4%	20.0%	7.9%	-17.4%	32.5	2.2%	36.9%	46.8%	PR
14	8.0%	44.8%	7.3%	67.6%	110.0%	-32.9%	44.3%	92.0%	44.4%	PR
15	-60.0%	83.3%
16	7.5%	23.4%
17	23.4%	35.5%	16.4%	55.7%	307.1%	-18.0%	62.6%	32.2%	18.8%	PR
18	-29.4%	40.0%	-9.8%	34.9%	58.7%	-16.3%	46.7%	66.4%	17.0%	PR
19	5.7%	44.0%	7.5%	67.3%	-24.6%	-30.5%	-22.6%	-90.7%	32.3%	PR

CT: Computed tomography; HU: Hounsfield unit; MR: Magnetic resonance; WIS: Wash-in slope; WOS: Wash-out slope; Dt: Diffusivity; fp: Perfusion fraction; SUVmax: Maximum standardized uptake value.