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ISSN: 1895-4588
Videosurgery and Other Miniinvasive Techniques
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1/2018
vol. 13
 
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abstract:
Original paper

Individualized laparoscopic B-ultrasound-guided microwave ablation for multifocal primary liver cancer

Zhifeng Xu, Zhangwei Yang, Jianghua Pan, Yiren Hu

Videosurgery Miniinv 2018; 13 (1): 9–16
Online publish date: 2018/01/22
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Introduction
Liver cancer is one of the most common malignancies of the digestive system. Minimally invasive ablation procedures have become one of the major means for treating unresectable multifocal liver cancer and have been extensively applied in primary and metastatic liver cancer treatment. Laparoscopic B-ultrasound-guided microwave ablation is an example of the progress made in this field.

Aim
To analyze and summarize the results of and experience with laparoscopic B-ultrasound-guided microwave ablation for multifocal primary liver cancer; moreover, the ablation effects were compared between tumors of different sizes.

Material and methods
Laparoscope-guided needle ablation was conducted on 84 lesions from 32 patients with primary liver cancer based on tumor size, quantity, and location. Moreover, the perioperative data, ablation effects according to tumor size, and long-term follow-up results were analyzed.

Results
Among the 84 nodules treated via microwave ablation, tumors measuring ≤ 3 cm demonstrated complete ablation upon imaging analysis conducted 1 month after surgery. Moreover, 5 of the tumors measuring > 3 cm demonstrated incomplete ablation. In these cases, a second procedure was performed, until imaging studies confirmed that complete ablation was achieved.

Conclusions
Laparoscopic microwave ablation allows for precise puncture positioning, an effective ablation range, and safe and feasible surgery, which is especially suitable for liver tumors located in sites difficult to access.

keywords:

liver cancer, laparoscopic microwave ablation, B-ultrasound-guided

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