Effects of intensity modulated radiation therapy + local hyperthermia on the cancer cell apoptosis and invasion in liver cancer lesion

Objective: To investigate the effects of intensity modulated radiation therapy + local hyperthermia on the cancer cell apoptosis and invasion in liver cancer lesion. Methods:A total of 94 patients with middle-advanced primary liver cancer who were diagnosed and treated in this hospital between November 2015 and February 2017 were divided into control group (n=47) and experimental group (n=47) by random number table method. Control group received intensity modulated radiation therapy and experimental group received intensity modulated radiation therapy + local hyperthermia. Both groups accepted peritoneal lesion biopsy before and after treatment, and the expression of apoptosis and invasion genes in specimen tissue were detected by fluorescence quantitative PCR. Results: There was no statistically significant difference in apoptosis and invasion gene expression between the two groups of patients before treatment. After treatment, apoptosis genes Fas, caspase-3, Bax and p53 mRNA expression in lesion tissue of experimental group were higher than those of control group whereas FasL and Bcl-2 mRNA expression were lower than those of control group;invasion genes Cofilin-1, Bmi-1, STAT3 and SOX18 mRNA expression in lesion tissue of experimental group were lower than those of control group whereas Tip30 and TP53IP1 mRNA expression were higher than those of control group. Conclusion: intensity modulated radiation therapy + local hyperthermia can effectively promote cancer cell apoptosis and inhibit its invasion activity in patients with middle and advanced primary liver cancer.

Intensity-modulated Radiotherapy for Sinonasal Teratocarcinosarcoma

Surgical excision and postoperative radiotherapy are widely accepted therapeutic modalities for sinonasal teratocarcinosarcoma （SNTCS）. Previous studies have shown that intensity-modulated radiation therapy （IMRT） is safe and effective for the treatment of some sinonasal malignancies. We hypothesize that use of IMRT for SNTCS may result in clinical benefits. We report here two cases of SNTCS that were treated by IMRT. One patient was given extensive IMRT involving elective neck irradiation. Follow-up examinations revealed no recurrence and metastasis 3.5 years after IMRT. Another patient simultaneously suffered from multiple systematical diseases and was administered involved-field radiotherapy. He was found to have a marginal recurrence during the follow up and eventually died 8 months after disease diagnosis. It was suggested in this study that appropriate use of IMRT for the treatment of SNTCS may achieve excellent local control.

鼻咽癌海绵窦侵犯调强放疗后放射性颞叶损伤的临床分析

目的研究分析鼻咽癌海绵窦侵犯调强放疗后放射性颞叶损伤的临床特点。方法选取本院自2014年1月～2017年12月收治的鼻咽癌患者60例,患者进行海绵窦侵犯调强放射治疗,并且针对患者放射治疗后的放射性颞叶损伤进行统计分析,探讨所有患者进行放射治疗后的治疗情况,分析研究放疗后放射性颞叶损伤的临床特点。结果 60例患者经过根治性调强放射治疗后,有58例在放射治疗半年至4年后出现不同程度的放射性颞叶损伤。经过治疗后,有40例患者出现轻微不良反应,18例患者出现严重不良反应,其中5例鼻咽癌患者出现严重并发症,肿瘤恶化后死亡。治疗过程中,24例病情一直保持稳定状态,12位患者在出现临床病症后经过医院的针对性治疗后已经好转,17例患者治疗进展缓慢。结论鼻咽癌海绵窦侵犯调强放疗后放射性颞叶损伤临床特点与患者的肿瘤部位,患者的颞叶被照射部位以及体积有关。

替吉奥胶囊+康艾注射液+调强放疗对晚期宫颈癌病灶内细胞恶性生物学进程的影响

目的:研究替吉奥胶囊+康艾注射液+调强放疗对晚期宫颈癌病灶内细胞恶性生物学进程的影响。方法:选择诊断为晚期宫颈癌的患者并分为两组,A组患者接受替吉奥胶囊+康艾注射液+调强放疗,B组患者接受顺铂+调强放疗。治疗前及治疗后2、4周时,检测两组血清中肿瘤标志物、肿瘤侵袭分子、肿瘤增殖分子的含量。结果:两组治疗后2、4周时血清中E-cad、STMN1、Fas、p53的含量均显著高于治疗前,TSGF、TK1、SCC-Ag、CA125、OPN、MMP9、NGAL、CyclinE、CyclinD1、PCNA的含量均显著低于治疗前(P<0.05)且A组患者治疗后2周、4周时血清中E-cad、STMN1、Fas、p53的含量均显著高于B组,TSGF、TK1、SCC-Ag、CA125、OPN、MMP9、NGAL、CyclinE、CyclinD1、PCNA的含量均显著低于B组(P<0.05)。结论:替吉奥胶囊+康艾注射液+调强放疗用于晚期宫颈癌治疗能够诱导癌细胞凋亡、抑制癌细胞增殖及侵袭。

调强放疗+局部热疗对肝癌病灶内癌细胞凋亡及侵袭的影响

目的:探讨调强放疗+局部热疗对肝癌病灶内癌细胞凋亡及侵袭的影响。方法:选择2015年11月~2017年2月间在本院确诊并接受治疗的中晚期原发性肝癌患者94例,经随机数表法分为对照组、实验组,各47例。对照组患者接受调强放疗,实验组患者接受调强放疗+局部热疗。治疗前后对两组病灶进行腹腔穿刺活检,采用荧光定量PCR法检测标本组织中凋亡、侵袭基因的表达量。结果:治疗前,两组患者病灶组织中凋亡、侵袭基因表达量的差异无统计学意义。治疗后,实验组病灶组织中凋亡基因Fas、caspase-3、Bax、p53mRNA的表达量高于对照组,FasL、Bcl-2 mRNA的表达量低于对照组;实验组病灶组织中侵袭基因Cofilin-1、Bmi-1、STAT3、SOX18 mRNA的表达量低于对照组,Tip30、TP53IP1mRNA的表达量高于对照组。结论:中晚期原发性肝癌患者接受调强放疗+局部热疗,可有效促进癌细胞凋亡并抑制其侵袭活性。