18F-FDG positron emission tomography/computed tomography and the "underground map" appearance in imaging Horton's arteritis |
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| Authors: | Abdul Jalil N Abdul Rahim N Md Shalleh N Rossetti C |
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| Affiliation: | Department of Radiology, Faculty of Medicine and Health Science, Radionuclide Imaging Unit, University Putra Malaysia, Serdang 43400, Malaysia. norainichoo2@hotmail.com |
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| Abstract: | A majority of the clinical use of positron emission tomography (PET)-computed tomography (CT) is related to cancer management. Its application in evaluating inflammatory diseases and pyrexia of unknown origin is becoming popular. We reviewed the fluorine-18-fluorodeoxyglucose PET-CT findings of an 80-year-old woman with nonspecific clinical presentation consisting of generalised malaise, moderately high fever and weight loss. Prior CT and magnetic resonance imaging were not helpful in providing a clinical diagnosis. The diagnosis was Horton's arteritis, and the patient responded well to high-dose steroids. |
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