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Updated: Jul 8, 2026

Pioneering Patient-Specific Approaches for Precision Surgery Using Imaging and Virtual Reality
Published on: April 5, 2024
[Clinical applications of imaging reconstruction by virtual sonography]
Akihiro Mori1, Noritsugu Oohashi, Takako Maruyama
1Department of Gastroenterology, Inuyama Chuo Hospital.
Aim:
One of the pitfalls in managing multiple liver tumors is the difficulty in identifying individual tumors on ultrasonography. Computed tomography (CT)-assisted virtual sonography has been shown to improve sonographic diagnosis, however it requires additional equipment and software. We have developed a simple reconstruction method of virtual sonography (SRVS).
Methods:
We reconstructed SRVS mimicking ultrasonographic images, utilizing a workstation software attached to a multi-detector row CT system without any additional program.
Results:
We have performed SRVS in 32 patients with 41 liver tumors that could hardly be identify on ultrasonography. SRVS assisted the identification of malignant form non-pathologic ones and thereby contributed to the appropriate clinical strategy including RFA (18 tumors), liver biopsy (2 tumors), other therapies (4 tumors) and follow-up (17 tumors).
Conclusion:
We have developed virtual sonography using conventional CT software. SRVS seems useful in the clinical practice in managing liver tumors.
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