Percutaneous Cryoablation of Large Renal Masses: Technical Feasibility and Short-Term Outcome  

Oleh:

Atwell, Thomas D. ; Farrell, Michael A. ; Callstrom, Matthew R. ; Charboneau, J. William ; Sadikin-Susilo

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: American Journal of Roentgenology vol. 188 no. 05 (May 2007), page 1195-1200 .
Topik: INTERVENTIONAL RADIOLOGY; Cancer; cryoablation; kidney; oncology; percutaneous ablation; sonography

Ketersediaan

Perpustakaan FK Nomor Panggil: A13.K.2007.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

OBJECTIVE. This retrospective study was performed to assess the feasibility, safety, and short-term outcome of percutaneous cryoablation of large solid renal tumors. MATERIALS AND METHODS. We reviewed 40 percutaneous cryoablation procedures performed on 40 patients with renal tumors 3 cm in diameter or larger. All patients underwent cryoablation with CT monitoring. Technical success was defined by extension of the ice ball beyond the tumor margin and postablation imaging findings of no contrast enhancement in the area encompassing the original tumor. Complications meeting grade 3 of the National Cancer Institute Common Terminology Criteria for Adverse Events were recorded. RESULTS. Mean ± SD tumor diameter was 4.2 ± 1.1 cm (range, 3.0-7.2 cm). Technical success was achieved in 38 (95%) of 40 cryoablation procedures. There was one grade 3 adverse event (3% rate of significant complications). Follow-up images obtained 3 months or longer (mean, 9 ± 6 months; range, 3-22 months) after ablation were available for 26 (65%) of the 40 patients. No local tumor recurrence or tumor progression was found. CONCLUSION. Percutaneous cryoablation of renal tumors measuring 3 cm or larger is technically feasible and relatively safe. Short-term follow-up results are encouraging, although long-term follow-up is necessary to assess true treatment efficacy. cancer cryoablati

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