![Quantification of Atherosclerotic Plaque Activity and Vascular Inflammation using [18-F] Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography FDG-PET/CT](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F3777.jpg&w=3840&q=50)
Small- to medium-sized arteritis diagnosed by F-18 FDG PET/CT: A case report
Sang-Min Oh1, Seok Tae Lim2, Hwan-Jeong Jeong2
1Department of Internal Medicine, Jeonbuk National University Medical School and Hospital, Jeonju, Jeonbuk, Republic of Korea.
Rationale:
Early diagnosis of arteritis is challenging due to nonspecific symptoms and often requires invasive procedures. This case illustrates the utility of F-18 FDG PET/CT as a noninvasive imaging modality for identifying inflammatory vascular diseases, thereby facilitating timely treatment and avoiding unnecessary interventions.
Patient Concerns:
A 65-year-old man presented to the emergency department with a persistent fever and generalized muscle pain lasting for 3 weeks.
Diagnoses:
F-18 FDG PET/CT revealed linear and branching tree-like patterns of hypermetabolism in the arteries of both arms and thighs, leading to the diagnosis of arteritis.
Interventions:
Following the rheumatologist's recommendation, intravenous prednisolone therapy was initiated.
Outcomes:
Shortly after starting prednisolone therapy, his fever subsided and muscle pain resolved.
Lessons:
This case highlights the valuable role of F-18 FDG PET/CT in diagnosing small- to medium-sized arteritis, providing a noninvasive approach that can help avoid unnecessary procedures and inappropriate use of antibiotics, while also enabling objective monitoring of treatment response.
Insights
F-18 FDG PET/CT effectively diagnosed arteritis in a patient with nonspecific symptoms. This noninvasive imaging facilitated timely treatment and avoided unnecessary interventions.
Area of Science:
- Nuclear Medicine
- Vascular Imaging
- Rheumatology
Background:
- Arteritis diagnosis is often delayed due to vague symptoms, necessitating invasive procedures.
- Noninvasive imaging is crucial for early detection and management of inflammatory vascular diseases.
Purpose of the Study:
- To illustrate the diagnostic utility of F-18 FDG PET/CT in a case of arteritis.
- To demonstrate the role of F-18 FDG PET/CT in guiding treatment and avoiding unnecessary interventions.
Main Methods:
- A 65-year-old male presented with persistent fever and myalgia.
- F-18 FDG PET/CT imaging was performed.
- Treatment with intravenous prednisolone was initiated based on imaging findings.
Main Results:
- F-18 FDG PET/CT revealed characteristic hypermetabolic patterns in the arteries of the arms and thighs.
- The patient experienced rapid symptom resolution (fever and myalgia) following prednisolone therapy.
Conclusions:
- F-18 FDG PET/CT is a valuable noninvasive tool for diagnosing small- to medium-sized arteritis.
- This imaging modality aids in timely treatment initiation, avoids unnecessary procedures and antibiotics, and allows objective monitoring of treatment response.
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