Needle tip visibility in 3D ultrasound images

Muhammad Arif; Adriaan Moelker; Theo van Walsum

doi:10.1117/12.2254060

3 March 2017 Needle tip visibility in 3D ultrasound images

Muhammad Arif, Adriaan Moelker, Theo van Walsum

Proceedings Volume 10135, Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling; 1013526 (2017) https://doi.org/10.1117/12.2254060
Event: SPIE Medical Imaging, 2017, Orlando, Florida, United States

Abstract

Needle visibility is of crucial importance for ultrasound guided interventional procedures. However, several factors, such as shadowing by bone or gas and tissue echogenic properties similar to needles, may compromise needle visibility. Additionally, small angle between the ultrasound beam and the needle, as well as small gauged needles may reduce visibility. Variety in needle tips design may also affect needle visibility. Whereas several studies have investigated needle visibility in 2D ultrasound imaging, no data is available for 3D ultrasound imaging, a modality that has great potential for image guidance interventions¹. In this study, we evaluated needle visibility using a 3D ultrasound transducer. We examined different needles in a tissue mimicking liver phantom at three angles (20⁰, 55⁰ and 90⁰) and quantify their visibility. The liver phantom was made by 5% polyvinyl alcohol solution containing 1% Silica gel particles to act as ultrasound scattering particles. We used four needles; two biopsy needles (Quick core 14G and 18G), one Ablation needle (Radiofrequency Ablation 17G), and Initial puncture needle (IP needle 17G). The needle visibility was quantified by calculating contrast to noise ratio. The results showed that the visibility for all needles were almost similar at large angles. However the difference in visibility at lower angles is more prominent. Furthermore, the visibility increases with the increase in angle of ultrasound beam with needles.

Citation Download Citation

Muhammad Arif, Adriaan Moelker, and Theo van Walsum "Needle tip visibility in 3D ultrasound images", Proc. SPIE 10135, Medical Imaging 2017: Image-Guided Procedures, Robotic Interventions, and Modeling, 1013526 (3 March 2017); https://doi.org/10.1117/12.2254060

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