Percutaneous radiofrequency ablation of sonographically unidentifiable liver tumors. Feasibility and usefulness of a novel guiding technique with an integrated system of computed tomography and sonographic images.

Percutaneous radiofrequency ablation of sonographically unidentifiable liver tumors. Feasibility and usefulness of a novel guiding technique with an integrated system of computed tomography and sonographic images. Research Abstract Details 

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Percutaneous radiofrequency ablation of sonographically unidentifiable liver tumors. Feasibility and usefulness of a novel guiding technique with an integrated system of computed tomography and sonographic images. Abstract Text:

Yasunori Minami,Masatoshi Kudo,Hobyung Chung,Tatsuo Inoue,Shunsuke Takahashi,Kinuyo Hatanaka,Taisuke Ueda,Hitoshi Hagiwara,Satoshi Kitai,Kuzuomi Ueshima,Toyokazu Fukunaga,Hitoshi Shiozaki,Yasunori Minami,Masatoshi Kudo,Hobyung Chung,Tatsuo Inoue,Shunsuke Takahashi,Kinuyo Hatanaka,Taisuke Ueda,Hitoshi Hagiwara,Satoshi Kitai,Kuzuomi Ueshima,Toyokazu Fukunaga,Hitoshi Shiozaki,

OBJECTIVE: The purpose of this study was to evaluate the safety and feasibility of a real-time integrated system with computed tomography (CT) and sonographic images for radiofrequency (RF) ablation of hepatic malignancies poorly defined on B-mode sonography, and to clarify the suitable phase of CT images for using this virtual sonography. METHODS: Between September 2004 and December 2004, 12 patients with 16 hepatocellular carcinomas and two metastatic lesions arising from colorectal adenocarcinoma (n = 1) and rectal carcinoid (n = 1) were treated. The maximum diameter of nodules ranged from 1.0 to 2.5 cm (mean +/- SD; 1.5 +/- 0.6 cm) on CT images. RESULTS: Complete tumor necrosis was achieved in a single session in 19 lesions (90%), while a second session was required for the remaining two lesions (10%). Portal phase multi-planar reconstruction images were displayed under a suitable position corresponding to the ultrasound images in 9 patients (HCC = 7, metastasis = 2), and arterial phase multi-planar reconstruction images were displayed in the 3 remaining patients with hepatocellular carcinoma. CONCLUSION: Percutaneous RF ablation guidance using virtual sonography is an effective treatment for patients with hepatic malignancies. The portal phase of CT images may be the most suitable to indicate the 3-dimensional relationship between the liver vasculature and tumors on virtual sonography.

Percutaneous radiofrequency ablation of sonographically unidentifiable liver tumors. Feasibility and usefulness of a novel guiding technique with an integrated system of computed tomography and sonographic images. Publishing Authors By Initials

Y Minami,M Kudo,H Chung,T Inoue,S Takahashi,K Hatanaka,T Ueda,H Hagiwara,S Kitai,K Ueshima,T Fukunaga,H Shiozaki,Y Minami,M Kudo,H Chung,T Inoue,S Takahashi,K Hatanaka,T Ueda,H Hagiwara,S Kitai,K Ueshima,T Fukunaga,H Shiozaki,

For similar diagnosis: diagnostic techniques and procedures: diagnostic imaging: ultrasonography research abstracts see: diagnosis: diagnostic techniques and procedures: diagnostic imaging: ultrasonography research

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Percutaneous radiofrequency ablation of sonographically unidentifiable liver tumors. Feasibility and usefulness of a novel guiding technique with an integrated system of computed tomography and sonographic images. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Oncology

VOLUME: 72 Suppl 1

Page Numbers: 111-6

Journal Abbreviation: Oncology

ISSN: 1423-0232

DAY: 13

MONTH: 12

YEAR: 2007

Percutaneous radiofrequency ablation of sonographically unidentifiable liver tumors. Feasibility and usefulness of a novel guiding technique with an integrated system of computed tomography and sonographic images. Information

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LANGUAGE: eng

NlmUniqueID: 135054

Percutaneous radiofrequency ablation of sonographically unidentifiable liver tumors. Feasibility and usefulness of a novel guiding technique with an integrated system of computed tomography and sonographic images. Keywords Mesh Terms:

KEYWORDS: Ultrasonography

MESH TERMS: instrumentation

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AFFILIATION: Department of Internal Medicine, Division of Gastroenterology and Hepatology, Kinki University School of Medicine, Osaka-Sayama, Japan.

Country: Switzerland

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MEDLINETA: Oncology

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