Indian Journal of Nuclear Medicine
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CASE REPORT
Year : 2021  |  Volume : 36  |  Issue : 1  |  Page : 53-55

Incremental utility of Tc-99m glucohepatonate single-photon emission computed tomography over 18F-flourodeoxyglucose positron emission tomography in diagnosis of brain tumor recurrence – Old is gold


Department of Neuro Imaging and Interventional Radiology, National Institute of Mental Health and Neuro Sciences, Bengaluru, Karnataka, India

Correspondence Address:
Dr. Chandana Nagaraj
Department of Neuro Imaging and Interventional Radiology, National Institute of Mental Health and Neuro Sciences, Bengaluru, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijnm.IJNM_125_20

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Detection of recurrence of a brain tumor after treatment is one of the most important and challenging diagnostic problems in neuro-oncological practice. In spite of technical advances in imaging modalities, sometimes, certain clinical presentations and manifestations can lead to a diagnostic dilemma even with the best of the technical know-how. We present a case of recurrence of anaplastic oligoastrocytoma (World Health Organization Grade III), where the patient's initial clinical presentation and the F-18 flourodeoxyglucose positron emission tomography (PET) magnetic resonance imaging findings were suggestive of stroke-like migraine attacks after radiation therapy syndrome. Due to a seizure episode before PET image acquisition, intense gyral uptake was noted in the left parietal lobe which made it difficult to ascertain the presence of a tumor recurrence. However, Tc-99m glucohepatonate single-photon emission computed tomography done after 1 week revealed radiotracer uptake within the site corresponding to the primary tumor, and a diagnosis of recurrence was made.


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