Correlation between Ultrasound Reflection Intensity and Tumor Ablation Ratio of Late-Stage Pancreatic Carcinoma in HIFU Therapy: Dynamic Observation on Ultrasound Reflection Intensity

Table 1

Demographics and clinical condition of the patients.

Parameters	Study group; (𝑁=31)
Gender (M : F)	20 : 11
Age (yr), mean ± SD (range)	66.6 ± 11.4 (36–83)
Pre-HIFU maximum tumor horizontal dimensions (cm), mean (range)	4.1 (1.8–8.7)
Pre-HIFU maximum tumor longitudinal dimensions (cm), mean (range)	5.1 (3.0–9.3)
TNM stage, n (%)
III	9 (29%)
IV	22 (71%)
Metastasis in TNM stage IV patients, n (%) where n = 22
Hepatic	10 (45.5%)
Pulmonary	2 (9.1%)
Peritoneal	7 (31.8%)
Hepatic and peritoneal	3 (13.6%)
Previous treatments, n (%)
Chemotherapy	7 (22.6%)
Radiotherapy	3 (9.7%)