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18F-FDG PET/CT Imaging of Multiple Inflammatory Myofibroblastic Tumors
Guoxing Zhao1, Yu Wang2, Yiran Wu1
1Department of Nuclear Medicine, Hebei Medical University Third Hospital, Shijiazhuang.
Clinical Nuclear Medicine
|July 2, 2026
Summary
Multiple inflammatory myofibroblastic tumors are rare. This case highlights 18F-FDG PET/CT findings showing intense uptake in the liver and abdomen, confirming the diagnosis.
Area of Science:
- Oncology
- Radiology
- Pathology
Background:
- Inflammatory myofibroblastic tumors (IMTs) are rare neoplasms.
- Simultaneous involvement of multiple body sites by IMT is exceptionally uncommon.
- Accurate diagnosis and staging are crucial for patient management.
Purpose of the Study:
- To present the 18F-FDG PET/CT imaging findings in a rare case of multiple IMTs.
- To illustrate the utility of PET/CT in identifying widespread IMT involvement.
- To correlate imaging findings with histopathological diagnosis.
Main Methods:
- A case study involving a patient with suspected multiple IMTs.
- 18F-FDG PET/CT imaging was performed for staging and diagnosis.
- Histopathological examination of tumor samples confirmed the diagnosis.
Main Results:
- 18F-FDG PET/CT demonstrated intense radiotracer uptake in multiple lesions within the liver and abdominal cavity.
- The imaging findings were highly suggestive of widespread neoplastic processes.
- Pathologic examination confirmed the diagnosis of multiple inflammatory myofibroblastic tumors.
Conclusions:
- 18F-FDG PET/CT can effectively detect and localize multiple inflammatory myofibroblastic tumors.
- This imaging modality aids in the comprehensive assessment of rare, disseminated IMTs.
- Integrated imaging and pathological analysis is essential for definitive diagnosis.
