Increased Genioglossus Muscle FDG Activity Due to Using Pacifier

An 18-month-old girl with history of liver transplant underwent FDG PET/CT to evaluate posttransplant lymphoproliferative disorder. In addition to multistation hypermetabolic lymphadenopathy and abnormal activity in the liver, stomach, and small bowel, in keeping with known posttransplant lymphoprol...

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Bibliographic Details
Published in:Clinical nuclear medicine 2022-07, Vol.47 (7), p.655-657
Main Authors: Tong, Celia, Zhuang, Hongming
Format: Article
Language:English
Subjects:
Female
Fluorodeoxyglucose F18
Humans
Infant
Lymphoproliferative Disorders
Muscles
Pacifiers
Positron Emission Tomography Computed Tomography - methods
Radiopharmaceuticals
Retrospective Studies
Tomography, X-Ray Computed - methods
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Summary:An 18-month-old girl with history of liver transplant underwent FDG PET/CT to evaluate posttransplant lymphoproliferative disorder. In addition to multistation hypermetabolic lymphadenopathy and abnormal activity in the liver, stomach, and small bowel, in keeping with known posttransplant lymphoproliferative disorder, the images also showed focal activity in the submental region. This submental activity persisted on 2 separate follow-up FDG PET/CT studies, even though other foci of abnormal activity resolved after chemotherapy. Records revealed that the patient was sucking on a pacifier prior to all 3 FDG PET/CT studies, and the submental uptake corresponded with genioglossus muscle activity.
ISSN:0363-9762
1536-0229
DOI:10.1097/RLU.0000000000004105