Radiofrequency Ablation with the Real-Time Virtual Sonography System for Treating Hepatocellular Carcinoma Difficult to Detect by Ultrasonography
| Autor: | Yuichiro Eguchi, Sho Kudo, Iwata Ozaki, Akira Kato, Hiroaki Kawasoe, Kazuma Fujimoto, Tsutomu Tamai, Kohji Miyazaki, Tsutomu Yasutake, Tomonori Shimonishi, Toshihiko Mizuta |
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| Rok vydání: | 2007 |
| Předmět: |
medicine.medical_specialty
Radiofrequency ablation Clinical Biochemistry Medicine (miscellaneous) hepatic tumor dynamic CT law.invention DICOM law medicine coagulation Nutrition and Dietetics business.industry Nodule (medicine) Multiplanar reconstruction multiplanar reconstruction image medicine.disease Hepatocellular carcinoma HCV Original Article Hepatic tumor Radiology Dynamic ct medicine.symptom Ultrasonography business |
| Zdroj: | Journal of Clinical Biochemistry and Nutrition |
| ISSN: | 1880-5086 0912-0009 |
| DOI: | 10.3164/jcbn.40.66 |
| Popis: | Radiofrequency ablation has been applied to treat hepatocellular carcinoma, with favorable therapeutic outcomes. Nevertheless, practitioners have approached radiofrequency ablation with some reluctance due to the difficulty of identifying isoechoic tumors and recurrent tumors. The aim of the present study is to investigate the efficacy of Real-time Virtual Sonography to treat hepatocellular carcinoma difficult to detect by conventional ultrasonography. Real-time Virtual Sonography is a system generating multiplanar reconstruction images in real-time using the Hitachi medico EUB-8500 equipped with a probe. The system included following components: 1) digital imaging and communications in medicine (DICOM) data from dynamic CT, 2) a magnetic field generator to match the multiplanar reconstruction image on the monitor and the actual ultrasonography image, 3) the cross section with the tumor displayed as a multiplanar reconstruction image. Total twenty-five nodules of twenty-one patients underwent radiofrequency ablation monitored by Real-time Virtual Sonography. All nodules difficult to detect via conventional ultrasonography were clearly visualized in real-time. The average nodule diameter was 2.4 +/- 1.6 cm, and punctures and coagulation were performed an average of 2.2 and 3 times per session. Dynamic CT after session confirmed effective coagulation of each nodule. In conclusion, this study demonstrates that the present system is capable of effectively and accurately treating tumors difficult to detect by conventional ultrasonography. |
| Databáze: | OpenAIRE |
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