Effect of CT-Guided Microwave Ablation Combined with TACE on Liver Function and Survival of Patients with Primary Liver Cancer

Objective:To explore the effect of transarterial chemoembolization(TACE)+CT-guided microwave ablation(MWA)on treating patients with primary liver cancer.Methods:78 primary liver cancer cases were enrolled and divided into groups according to their assigned surgical plans.The control group was treated with TACE alone,and the observation group was treated with TACE+CT-guided MWA.The efficacy of the treatment and the liver function indicators and follow-up results of the patients of the two groups were compared.Results:The efficacy of the treatment received by the observation group was higher than that of the control group.Besides,the patients in the observation group exhibited better improvement in liver function indicators after 3 months of treatment.Furthermore,the survival rates of 1 and 2 years after surgery of the observation group were all higher than those of the control group(P<0.05).Conclusion:TACE combined with CT-guided MWA is more effective in treating primary liver cancer compared to TACE alone.Besides,it resulted in better improvement of liver function and long-term survival rate.Therefore,this treatment regime should be popularized.

CT guidance ^(125)I seed implantation for pelvic recurrent rectal cancer assisted by 3D printing individual non-coplanar template

Objective To analyze the difference of dosimetric parameters between pre-plan and post-plan of 125I radioactive seed implantation assisted by 3D printing individual non-coplanar template（3D printing template）for locally recurrent rectal cancer（LRRC）.Methods From February 2016 to April 2016,a total of 10 patients with locally recurrent rectal cancer received 125I seeds implan-

Clinicopathologic characteristics of pulmonary ground glass opacity located preoperatively using a Hook-wire guidewire

Objective:To evaluate the relationship between the clinical and imaging features of ground glass opacity(GGO)localized using a preoperative Hook-wire guidewire and postoperative pathology.Method:Preoperative Hook-wire guidewire localization was performed in 83 patients with GGO less than 2 cm,and their clinical data,imaging data,and postoperative pathology findings were retrospectively analyzed.The images were classified as pure GGO(pGGO) or mixed GGO(mGGO).The relationship between clinical and imaging features and postoperative pathology was analyzed.Result:The 83 cases were colocalized,and the success rate of the guidewire positioning was 100%.Complications included pneumothorax(19.2% [16/83]) and the incidence of minor bleeding(30.2 [25/83]).Forty-seven patients had mGGO and 36 had pGGO.Among the 47 cases of mGGO,18(38.3%) were invasive adenocarcinoma(IAC),18(38.3%) were microinvasive adenocarcinoma(MIA),8(17.0%) were adenocarcinoma in situ(AIS),2(4.3%) were atypical adenomatous hyperplasia(AAH),and 1(2.1%) was benign.Among the 36 cases of pGGO,6(16.7%) were IAC,13(36.1%) were MIA,8(22.2%) were AIS,2(5.6%) were AAH,and 7(19.4%) cases were benign lesions.A significantly higher proportion of patients with IAC had mGGO than pGGO(21.7% vs.7.2%,respectively;p=0.004).Among patients with mGGO,a higher proportion of them had a nodule diameter of ≥1 cm than those with a diameter of <1 cm(25.5% vs.12.8%,respectively;p=0.003).There was no significant difference in age,location distribution,or pathological type.Conclusion: Preoperative CT-guided Hook-wire guidewire positioning was safe with minor complications.A significantly higher proportion of patients with IAC had mGGO than pGGO.Patients with mGGO and a nodule diameter ≥1 cm require active treatment.

Experience of implanting fiducial markers for 504 cases with body malignant solid tumors

Objective:The purpose of the study is to investigate the technical points,effects and complications of fiducial marker implantation within target areas before the CyberKnife treatment on body malignant solid tumors.Methods:Five hundred and four cases of patients with body malignant solid tumors accepted fiducial implantation within target areas under CT guidance before the treatment of CyberKnife.Observe the complications and effect.Results:Among the 504 cases,500 cases successfully accepted the implantation(a success rate of 99.2%).158 patients felt pain at the punctured sites and 3 patients had tachycardia.33 patients had abdominal pain after the surgery due to a small amount of bleeding in the needle passage during liver puncturing process.Among the 19 lung cancer patients who accepted lung paracentesis,1 case had light pneumothorax and 1 case got light haemothorax.Among the 453 patients who accepted liver paracentesis,6 had fiducial migration.Conclusion:The method of fiducial implantation within target areas before treating body malignant solid tumor with CyberKnife is minimally invasive and comparatively secure.