Frequently asked questions
Frequently asked questions
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Hybrid imaging refers to the combination of two or more imaging modalities to provide complimentary anatomical and functional information in a single image. This can help improve diagnoses, treatment plans, and monitoring for patients.
Each modality offers unique strengths - CT and MRI, for example, provide high-resolution anatomical detail, while SPECT and PET offer metabolic and functional insights. These modalities in combination aid radiologists in obtaining a more complete picture of the patient's condition.
Hybrid imaging is most commonly used in oncology, cardiology, and neurology, among other areas, due to its ability to simultaneously visualize structures and functions of different areas of the human body.
While hybrid imaging can be very beneficial, unfortunately some hybrid systems, such as PET-CT and SPECT-CT, can lead to an increased radiation dose. However, modern protocols and dose optimization techniques help minimize exposure while maximizing diagnostic benefit.
Challenges of hybrid systems include the high cost of equipment, complex image registration and processing, staff training requirements, and maintaining synchronization and calibration between multiple modalities.
Hybrid imaging will likely continue to develop and be used because of its capabilities of merging functional imaging with anatomical detail of the different systems. Efforts to reduce the amount of radiation and cost are ongoing.