ARRS 2022 Abstracts

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E1788. A Systematic Approach to Understanding Needle Targeting Errors and Problem Solving for the Stereotactic Biopsy System
Authors
  1. Janice Thai; Staten Island University Hospital
Background
The traditional approach for teaching needle targeting error and its established convention is largely based on the prone stereotactic biopsy system. With increasing use of the upright unit with 2D/3D combination technology, this guidance may not be applicable and may even cause confusion to the novice learner. For example, where is the 3 o’clock position on the right mediolateral view for the upright biopsy system? How does one identify a negative y axis error from the stereo pair images on the unit’s console view?

Educational Goals / Teaching Points
This comprehensive review will include a step-by-step approach with graphic illustrations as well as actual stereo images to guide the perplexed learner.

Key Anatomic/Physiologic Issues and Imaging Findings/Techniques
Key points of this exhibit include recognizing needle targeting errors in the x, y, and z planes; understanding conventional clock face positioning based on different biopsy approaches; understanding and applying the use of directional sampling; and problem solving solutions for mistargeting errors.

Conclusion
This image-rich exhibit will provide a stepwise approach to real-life troubleshooting stereotactic biopsies. It is ideal for beginners to the system.