Microwave ablation
Last revised by Andrew Murphy on 23 Mar 2023
Citation, DOI, disclosures and article data
Citation:
Di Muzio B, Murphy A, Bell D, Microwave ablation. Reference article, Radiopaedia.org (Accessed on 19 Mar 2024) https://doi.org/10.53347/rID-71016
rID:
71016
Article created:
Disclosures:
At the time the article was created Bruno Di Muzio had no recorded disclosures.
View Bruno Di Muzio's current disclosures
Last revised:
23 Mar 2023,
Andrew Murphy ◉
Disclosures:
At the time the article was last revised Andrew Murphy had no financial relationships to ineligible companies to disclose.
View Andrew Murphy's current disclosures
Revisions:
5 times, by
3 contributors -
see full revision history and disclosures
Systems:
Synonyms:
- Microwave ablations (MWA)
- Microwave ablations
Microwave ablation (MWA) is the application of electromagnetic waves to treat solid tumors. By causing oscillation of polar water molecules, microwaves produce frictional heating and ultimately induce cellular death via coagulation necrosis. This technique has been largely used for the treatment of tumors in the liver, kidney, lung, and bone.
Indications
- liver
- pancreas
- advanced and non-resectable pancreatic tumors - pain control
- kidney
- small renal masses
- lung
- bone
- painful metastatic lesions
- osteoid osteoma
Advantages
- over radiofrequency ablation (RFA)
- less heat sink effect
- allowing efficient ablation close to large vessels
- propagate into fat and calcifications
- leading to homogeneous coagulation necrosis
- consistently higher intratumoral temperatures
- cause larger and fast necrosis
- faster ablation times
- lower doses of sedatives might be required
- larger tumor ablation volumes
- less heat sink effect
Quiz questions
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References
- 1. J. Louis Hinshaw, Meghan G. Lubner, Timothy J. Ziemlewicz, Fred T. Lee, Jr, Christopher L. Brace. Percutaneous Tumor Ablation Tools: Microwave, Radiofrequency, or Cryoablation—What Should You Use and Why?. (2014) RadioGraphics. 34 (5): 1344-62. doi:10.1148/rg.345140054 - Pubmed
- 2. Current Tumor Ablation Technologies: Basic Science and Device Review. (2010) Seminars in Interventional Radiology. 27 (03): 247. doi:10.1055/s-0030-1261782 - Pubmed
- 3. Caroline J. Simon, Damian E. Dupuy, William W. Mayo-Smith. Microwave Ablation: Principles and Applications1. (2005) RadioGraphics. 25 Suppl 1: S69-83. doi:10.1148/rg.25si055501 - Pubmed
Incoming Links
Articles:
- Post-TARE assessment of hepatocellular carcinoma
- Intervention curriculum
- Liver and biliary interventional procedures
- Medical abbreviations and acronyms (M)
- Carbodissection
- No-touch ablation technique
- Tumour ablation
- Thermoprotection techniques
- Percutaneous liver tumour ablation
- Hydrodissection
- Laser interstitial thermal therapy
- Percutaneous lung tumour ablation
- Post-TACE assessment of hepatocellular carcinoma
Multiple choice questions:
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