As a treatment method primarily using heat generation to inactivate tumors, microwave ablation is the interventional radiology department's "blade of fire." This treatment involves inserting an insulated electrode needle percutaneously into the tumor under ultrasound or CT guidance, generating heat to produce a controllable spherical thermal coagulation zone of a certain diameter, inactivating tumor tissue. The procedure takes 5-10 minutes with minimal wound; patients can get out of bed 2-4 hours post-surgery. For small liver cancers, it is a curative treatment.
What Are the Advantages of Microwave Treatment?
Professor Dong Wenguang, Vice President and Director of Oncology at Shenzhen Huaqiao Hospital, introduced: The microwave ablation system is an open system requiring no external electrode plates, with high ablation frequency (915 or 2450 MHz), strong penetration, and minimal impact from carbonization and blood perfusion. It features high ablation zone temperature, short ablation time, and large ablation range. Microwave ablation allows multi-needle combination, significantly expanding ablation volume. For diameter≤3cm的tumor, various types ofablation technologycan all achieve goodTreatment Outcomes. AndFor diameter>3cm，especially>5cm的tumor，microwave ablationablationbroader range than otherablationmethods.
tumorMedicalresearchstudies have found that,1007例liver cancer patientsreceivingmicrowave ablationafter treatment,1、3、5year overallsurvival ratewere respectively91.2%、72.5%和59.8%，5年survival rate and surgical resection and liver transplantationTreatment Outcomessimilar.
Whichpatientspatients are suitable肝tumormicrowave ablationtiming for advanced?
(一)、primary liver cancer的indications：
1、For diameter≦5cmsingle or multiple(≦5lesions, single≤3cm)tumor, withoutblood vessel、bile ductor distantand metastasis，liver functionChild-Pugh A or B grade的liver cancer, microwave orradiofrequency ablationis surgicalsurgeryalternative to surgicaltiming for advancedoption。
2、For singletumordiameter≦3cmsmallliver cancer，ablationcan achievecurativeablation。
3、For adjacent tohepatic hilumtumor，microwave ablationcombined with percutaneoushepatic arterychemotherapyembolization和/或radioactiveseed implantation treatment can achieve good therapeuticprognosis。
4, for multiplethe lesion或larger的tumor(diameter≧5cm)，according toliver functionconditions，can adopt经hepatic arterychemotherapyembolizationcombinedmicrowave ablationtreatment,maximum,tumor burden。
(二)、metastatic liver cancer的indications：
metastatic liver cancermicrowave ablation的indications and primary liver cancerbasicallypossible reductionbut with some differences：
1、metastatic liver cancermostly not accompanied byliver cirrhosis，liver functioncondition is better，microwave ablationconsistent,tumorsize and number的requirements areprimary liver cancerbroader。For multiple肝and metastasispatients，aftersystematicfortreatment basistherapychemotherapy,the lesion，can adoptmicrowave ablationto reducepatientstumor burden。Iftumorlargeror more numerous，can adoptforablationplan。
2、metastatic liver cancerafterpoorly controlledcured or controlled的treatment basis，and expectedsurvival time exceeds6 months，can also undergomicrowave ablation，maximumfractionatedreducetumor burdeneven achieving local curative的results，inevitably bringing betterquality of lifeand longersurvival period。Conversely，for those with singleorganprimary tumor has beenand metastasis(≤5)的patientslimitedablationeffective, such as hepatic oligointrahepatic lesions，combinedsystematicthroughcan still provide primarytumorwith possiblesurgeryopportunity。
therapy,conditionspatients are suitablemicrowave ablationtiming for advanced?
microwave ablationtiming for advancedsystemic treatmenttumortreatmentindicationsofsolid tumors。includingliver cancer、lung cancer、thyroidrelatively broad, mainly used for variousand metastasistumor, bonepancreatic cancertumor,tumor, adrenalovarian cancer, uterine fibroids, endometrial cancer,and, breast cancer,cancerused for, etc.。Currentlypain reliefliver cancer和lung cancer。
most commonly used forsuitablemainly
1)who lostsurgeryfor:tumortiming for advanced;
2)radiationchemotherapytreatmenttumor;
3)surgery、radiotherapy、chemotherapy后recurrence的tumor;
4)burdensuboptimal mid-to-advanced stage and 大blood vessellarge, involvingorgan的tumor;
5)elderly, importantsurgery and , poor overall condition, difficult to toleratepatients。
anesthesiademonstrated：
图1 casespost-operative肝and metastasispatientscolon cancerIV段 and VIII, liverand metastasis瘤
图2 CTsegmentpuncturehepatic metastasesmicrowave ablationpercutaneous under guidancediameter约1.3mmmicrowave ablation针puncture至tumor, placingmicrowave ablationequipmentand initiating after insertion
图3 microwave ablation后6 monthsfor treatment.tumorcompletelyinactivationfollow-up examinationtumor, forming scar tissue, without and recurrence
liver cancermicrowave ablationsurgeryresidualpay attention toafter, need toWhichPrecautions?
1.liver cancermicrowave ablationwhat to
2.Post-procedure diet should be light, with appropriate intake of vegetables and fruits. Avoid vigorous activity, maintain a pleasant mood and optimistic attitude.is very important. and Regular follow-up and early detection of possible new conditions, facilitatingpost-operative1timely treatment, generally everyapproximatelymonthsCTfollow-up liverA total ofor MRI