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Microwave ablation ...
Microwave ablation of 105 T1 renal tumors : technique efficacy with a mean follow-up of two years
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- Acosta Ruiz, Vanessa, 1987- (författare)
- Uppsala universitet,Radiologi
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- Dahlman, Pär (författare)
- Uppsala universitet,Radiologi
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- Brekkan, Einar (författare)
- Uppsala universitet,Urologkirurgi
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- Lönnemark, Maria (författare)
- Uppsala universitet,Radiologi
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- Magnusson, Anders, 1947- (författare)
- Uppsala universitet,Radiologi
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(creator_code:org_t)
- 2020-09-10
- 2024
- Engelska.
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Ingår i: Acta Radiologica. - : Sage Publications. - 0284-1851 .- 1600-0455. ; 65:3, s. 294-301
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://journals.sag...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Background: Thermal ablation (TA) with radiofrequency (RFA) or cryoablation (CA) are established treatments for small renal masses (≤4 cm). Microwave ablation (MWA) has several potential benefits (decreased ablation time, less susceptibility to heat-sink, higher lesion temperatures than RFA) but is still considered experimental considering the available small-sample studies with short follow-up.Purpose: To evaluate technique efficacy and complications of our initial experience of renal tumors treated using percutaneous MWA with a curative intent.Material and Methods: A total of 105 renal tumors (in 93 patients) were treated between April 2014 and August 2017. MWA was performed percutaneously with computed tomography (CT) guidance under conscious sedation (n=82) or full anesthesia. Patients were followed with contrast-enhanced CT scans at six months and yearly thereafter for a minimum of five years. The mean follow-up time was 2.1 years. The percentage of tumors completely ablated in a single session (primary efficacy rate) and those successfully treated after repeat ablation (secondary efficacy rate) were recorded. Patient and tumor characteristics as well as complications were collected retrospectively.Results: The median patient age was 70 years and median tumor size was 25 mm. Primary efficacy rate was 96.2% (101/105 tumors). After including two residual tumors for a second ablation session, secondary efficacy was 97.1% (102/105). Periprocedural complications were found in 5.2% (5/95) sessions: four Clavien-Dindo I and one Clavien-Dindo IIIa. One postprocedural Clavien-Dindo II complication was found.Conclusion: MWA has high efficacy rates and few complications compared to other TA methods at a mean follow-up of two years.
Nyckelord
- Ablation procedures
- computed tomography
- kidney
- percutaneous
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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