Related Experiment Video
Updated: Jan 30, 2026
07:47
Non-Invasive PET/MR Imaging in an Orthotopic Mouse Model of Hepatocellular Carcinoma
Published on: August 31, 2022
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68Ga-DOTANOC PET/CT Detects Multifocal Hepatocellular Carcinoma
Elena Tabacchi1, Davide Campana2, Nicole Brighi2
1From the Nuclear Medicine, Department of Experimental, Diagnostic and Specialty Medicine, and.
Clinical Nuclear Medicine
|January 24, 2019
Summary
Ga-DOTANOC PET/CT scans can show somatostatin receptor expression in hepatocellular carcinoma (HCC), mimicking neuroendocrine tumors. This imaging finding may lead to misdiagnosis in HCC patients, highlighting a potential pitfall in nuclear medicine.
Area of Science:
- Nuclear medicine
- Oncology
- Radiology
Background:
- Somatostatin receptor (SR) PET/CT imaging is crucial for diagnosing neuroendocrine tumors (NETs).
- Hepatocellular carcinoma (HCC) can present as hypervascular liver lesions on CT.
- The potential for HCC to mimic NETs on imaging requires careful consideration.
Observation:
- Ga-DOTANOC PET/CT identified SR expression in liver lesions later diagnosed as HCC.
- These HCC lesions were hypervascularized on CT scans.
- This suggests HCC can exhibit characteristics typically associated with NETs.
Findings:
- Somatostatin receptor imaging may incorrectly suggest NETs in patients with HCC.
- Hypervascularity on CT is a common feature in both HCC and NETs.
- HCC can be a diagnostic pitfall in SR-PET/CT interpretation for NET patients.
Implications:
- Current indications for SR-PET/CT may need re-evaluation to include potential HCC mimics.
- Radiologists and nuclear medicine physicians should be aware of this imaging overlap.
- Further research is necessary to define the role of SR-imaging in HCC diagnosis and management.
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