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CASE REPORT
Year : 2015  |  Volume : 30  |  Issue : 2  |  Page : 139-141

Role of dual time fluorodeoxyglucose (FDG) positron emission tomography-computed tomography in identifying co-existing inflammatory and malignant disease: Who holds it (FDG) longer?


1 Department of Radiodiagnosis, Kerala Institute of Medical Science, Trivandrum, Kerala, India
2 Department of Radiodiagnosis, Amrita Institute of Medical Science, Kochi, Kerala, India
3 Department of Nuclear Medicine, Amrita Institute of Medical Science, Kochi, Kerala, India
4 Department of Pathology, Trivandrum Medical College, Trivandrum, Kerala, India
5 Department of Pathology, Amrita Institute of Medical Science, Kochi, Kerala, India

Correspondence Address:
Dr. Anirudh V Nair
Department of Radiodiagnosis, Kerala Institute of Medical Science, Trivandrum - 695 029, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-3919.152976

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18-fluorodeoxyglucose positron emission tomography-computed tomography (PET-CT) is an integral part of imaging in the follow-up of head and neck malignancies. Very often distinguishing inflammatory/infective from malignant recurrence cannot be made confidently with standard uptake value (SUV) alone, as inflammatory lesions have shown to have a very high SUV, and in some cases both can co-exist. In such doubtful cases, dual time PET-CT (3-5 h delayed) is of paramount importance in confidently differentiating inflammatory/infective from a malignant cause.


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