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Efficient Scheduling for Minimizing Radioactive Waste in a PET/CT Setting.

Denis Pidkajetsky¹, Vassiliki Koufi¹

¹Department of Digital Systems, University of Piraeus, Greece.

Studies in Health Technology and Informatics

|May 17, 2025

Summary

This study introduces AppointmentPlus, a system to optimize Positron Emission Tomography/Computed Tomography (PET/CT) scan scheduling. The goal is to reduce radioactive waste by minimizing unused radiopharmaceutical doses, improving efficiency in nuclear medicine departments.

Keywords:

PET/CT Positron Emission Tomography/Computed Tomography appointment radioactive waste radiotracer web-based

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Area of Science:

Medical Imaging
Nuclear Medicine
Radiochemistry

Background:

Positron Emission Tomography/Computed Tomography (PET/CT) is vital for diagnosing and managing serious diseases like cancer.
PET/CT scans utilize radioactive isotopes, such as [18F]FDG, which have short half-lives.
Unused radiopharmaceuticals are disposed of daily, representing significant radioactive waste.

Purpose of the Study:

To develop and present AppointmentPlus, a web-based system for optimizing PET/CT scan scheduling.
To minimize the generation of radioactive waste by reducing leftover radiopharmaceutical doses.
To enhance operational efficiency in Nuclear Medicine departments.

Main Methods:

Implementation of a web-based appointment booking system named AppointmentPlus.
Optimization of daily PET/CT scan schedules.
Focus on minimizing the quantity of radiopharmaceutical required per patient.

Main Results:

The AppointmentPlus system aims to significantly reduce radioactive waste from PET/CT procedures.
Optimization of schedules leads to more efficient utilization of short-lived radioactive isotopes.
Potential for cost savings and improved resource management in nuclear medicine.

Conclusions:

AppointmentPlus offers a practical solution for minimizing radioactive waste in PET/CT imaging.
Optimized scheduling is crucial for sustainable and cost-effective nuclear medicine practices.
This approach supports better patient care through efficient resource allocation.