International braz j urol : official journal of the Brazilian Society of Urology · 2016
Safety and feasibility of radiofrequency ablation for treatment of Bosniak IV renal cysts.
Оценочное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Menezes Marcos Roberto de, Viana Publio Cesar Cavalcante, Yamanari Tassia Regina, Arap Marco Antonio, Reis Leonardo Oliveira, Nahas William
Аннотация
PURPOSE: To describe our initial experience with radiofrequency ablation (RFA) of Bosniak IV renal cysts.
MATERIALS AND METHODS: From 2010 to 2014, 154 renal tumor cases were treated with percutaneous thermal ablation, of which 10 cases (6.4%) from nine patients were complex renal cysts and were treated with radiofrequency ablation.
RESULTS: All complex cysts were classified as Bosniak IV (four women and five men; mean age: 63.6 yrs, range: 33-83 years). One patient had a single kidney. Lesion size ranged from 1.5 to 4.1cm (mean: 2.5cm) and biopsy was performed on four cysts immediately before the procedure, all of which were malignant (two clear cell and two papillary carcinoma). Mean volume reduction of complex cysts was 25% (range: 10-40%). No patients required retreatment with RFA and no immediate or late complications were observed. The follow-up of Bosniak IV cysts had a median of 27 months (interquartile range [IQR], 23 to 38) and no recurrence or significant loss of renal function were observed.
CONCLUSIONS: Mid-term follow-up of the cases in our database suggests that image-guided percutaneous RFA can treat Bosniak IV cysts with very low complication rates and satisfactorily maintain renal function.
MATERIALS AND METHODS: From 2010 to 2014, 154 renal tumor cases were treated with percutaneous thermal ablation, of which 10 cases (6.4%) from nine patients were complex renal cysts and were treated with radiofrequency ablation.
RESULTS: All complex cysts were classified as Bosniak IV (four women and five men; mean age: 63.6 yrs, range: 33-83 years). One patient had a single kidney. Lesion size ranged from 1.5 to 4.1cm (mean: 2.5cm) and biopsy was performed on four cysts immediately before the procedure, all of which were malignant (two clear cell and two papillary carcinoma). Mean volume reduction of complex cysts was 25% (range: 10-40%). No patients required retreatment with RFA and no immediate or late complications were observed. The follow-up of Bosniak IV cysts had a median of 27 months (interquartile range [IQR], 23 to 38) and no recurrence or significant loss of renal function were observed.
CONCLUSIONS: Mid-term follow-up of the cases in our database suggests that image-guided percutaneous RFA can treat Bosniak IV cysts with very low complication rates and satisfactorily maintain renal function.
Предметные рубрики MeSH
AdultAgedAged, 80 and overBiopsyCatheter AblationFeasibility StudiesFemaleHumansKidney Diseases, CysticKidney NeoplasmsMagnetic Resonance ImagingMaleMiddle AgedPostoperative ComplicationsReproducibility of ResultsRetrospective StudiesRisk FactorsSurgery, Computer-AssistedTomography, X-Ray ComputedTreatment Outcome