Photon counting CT clinical adoption, integration, and workflow.

Area of Science:

• Medical Imaging
• Radiology
• Computed Tomography

Background:

• Photon counting detectors (PCD) represent a recent advancement in CT technology, offering significant improvements over energy-integrating detectors (EID-CT).
• PCD-CT provides enhanced spatial resolution, superior radiation dose efficiency, and improved iodine contrast-to-noise ratio.
• This technology retains multi-energy CT (MECT) capabilities, expanding its diagnostic potential.

Purpose of the Study:

• To review the clinical adoption of photon counting detector CT (PCD-CT).
• To discuss protocol development, clinical applications, integration, and workflow considerations for PCD-CT.
• To highlight the benefits of PCD-CT for patient care and diagnostic imaging.

Main Methods:

• Review of clinical adoption of PCD-CT.
• Discussion of protocol development involving radiologists, physicists, and technologists.
• Exploration of clinical applications, integration strategies, and workflow considerations.

Main Results:

• PCD-CT demonstrates superior performance in spatial resolution, radiation dose efficiency, and iodine contrast-to-noise ratio compared to EID-CT.
• Key clinical applications include significant reduction in radiation exposure and intravenous contrast volume.
• Improved lesion conspicuity is achieved, potentially benefiting specific patient groups.
• Strategic selection and transmission of reconstructed series to PACS are crucial for efficient workflow.

Conclusions:

• PCD-CT is being increasingly adopted into clinical practice, offering substantial advantages in image quality and patient safety.
• Collaborative protocol development and thoughtful workflow integration are essential for maximizing PCD-CT benefits.
• The technology facilitates reduced radiation dose and contrast agent administration, improving patient outcomes and diagnostic capabilities.