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Society for Pediatric Radiology – Poster Archive
Final ID: Poster #: EDU-066
Introduction to the Technical Aspects of PET/MRI with Clinical Applications to Pediatric Neuroradiology for Residents and Fellows
Purpose or Case Report: PET/MRI has recently become a clinical realization after overcoming complex hardware and image reconstruction issues. The goal of this educational exhibit is to provide a comprehensive, yet understandable, introduction to these aspects of PET/MRI along with displaying a pictorial assay of different normal and abnormal metabolic findings within the field of Pediatric Neuroradiology.
The first part of this presentation will begin by highlighting the basic hardware components of the PET/CT contrasting with the interactions between the main components of the PET/MRI scanner along with their associated solutions. In general, these issues include how MRI can affect PET in terms of their magnetic field and RF properties and how PET affect MRI due to the scintillator/electronic components.
The second part will begin by discussing some soft tissue and hardware attenuation correction techniques that are currently in use, such as: Segmentation and atlas-based methods along with attenuation map generation and coil localization methods. Additionally, we will show the consequence of field-of-view (FOV) mismatch between the PET and MRI acquisitions and partial volume effects along with their solutions.
The final part will showcase clinical applications of PET/MRI to Pediatric Neuroradiology, featuring imaging protocol details and a pictorial guide of normal distributions and pathologic conditions. Clinical examples range from seizure localization, cortical malformations, manifestations of Phakomatoses, perinatal stroke, tumor recurrence, and Flutriciclamide (18F-GE180) imaging in the setting of neuroinflammation.
Methods & Materials:
Results:
Conclusions:
The first part of this presentation will begin by highlighting the basic hardware components of the PET/CT contrasting with the interactions between the main components of the PET/MRI scanner along with their associated solutions. In general, these issues include how MRI can affect PET in terms of their magnetic field and RF properties and how PET affect MRI due to the scintillator/electronic components.
The second part will begin by discussing some soft tissue and hardware attenuation correction techniques that are currently in use, such as: Segmentation and atlas-based methods along with attenuation map generation and coil localization methods. Additionally, we will show the consequence of field-of-view (FOV) mismatch between the PET and MRI acquisitions and partial volume effects along with their solutions.
The final part will showcase clinical applications of PET/MRI to Pediatric Neuroradiology, featuring imaging protocol details and a pictorial guide of normal distributions and pathologic conditions. Clinical examples range from seizure localization, cortical malformations, manifestations of Phakomatoses, perinatal stroke, tumor recurrence, and Flutriciclamide (18F-GE180) imaging in the setting of neuroinflammation.
Methods & Materials:
Results:
Conclusions:
More abstracts on this topic:
Novel Applications to Functional, Molecular and Clinical Imaging Surveillance
Martinez-rios Claudia, Malkin David, Vali Reza, Shammas Amer, Tijerin Bueno Marta, Greer Mary-louise, Doria Andrea
Impact of diffusion-weighted sequences in 18F-FDG PET/MR whole-body pediatric oncologic imagingSanders Vanessa, Khanna Geetika, Mhlanga Joyce, Ponisio Maria
Poster____EDU-066.pdf
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