Optimizing MRI-DWI Protocols for the Evaluation of Rectal Carcinoma: Techniques and Best Practices

EasyChair Preprint 14764

Abstract

Magnetic resonance imaging (MRI), particularly diffusion-weighted imaging (DWI), has become a pivotal tool in the evaluation of rectal carcinoma, playing a crucial role in tumor staging, treatment planning, and response assessment. This paper focuses on the optimization of MRI-DWI protocols for rectal carcinoma to enhance diagnostic accuracy and improve patient outcomes. Key considerations include optimizing magnet strength, b-value selection, and minimizing artifacts while achieving high signal-to-noise ratio (SNR). Pre-imaging preparations, such as bowel preparation and patient positioning, are highlighted to ensure clear visualization of rectal anatomy. The incorporation of advanced post-processing techniques like apparent diffusion coefficient (ADC) map interpretation provides additional insight into tumor biology, offering potential prognostic value.
The clinical applications of optimized MRI-DWI protocols are explored, particularly in tumor staging, restaging post-treatment, and monitoring neoadjuvant chemoradiotherapy response. Emerging trends such as whole-body DWI, advanced diffusion techniques, and the role of artificial intelligence in image analysis are discussed as future directions to further refine MRI-DWI protocols. By standardizing and optimizing these protocols, MRI-DWI can significantly enhance the evalubation and management of rectal carcinoma, leading to better clinical decision-making and improved patient outcomes.

Keyphrases: Imaging in Rectal Cancer Evaluation, Optimizing MRI-DWI Protocols for the Evaluation of Rectal Carcinoma: Techniques and Best Practices, treatment planning

@booklet{EasyChair:14764,
  author    = {Oyerinde Bamiyinoluwa},
  title     = {Optimizing MRI-DWI Protocols for the Evaluation of Rectal Carcinoma: Techniques and Best Practices},
  howpublished = {EasyChair Preprint 14764},
  year      = {EasyChair, 2024}}