68 Ga-DOTATOC PET/CT Imaging of a Muscular Solitary Fibrous Tumor.
case_report · Level V
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- Record sourced from PubMed, PMID 36854307.
- Also identified by DOI 10.1097/RLU.0000000000004615.
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Abstract
A 73-year-old woman was referred for 68 Ga-DOTATOC PET/CT staging of a grade 2 pancreatic neuroendocrine tumor, which showed the primary pancreatic tumor, liver metastases, one left pleural metastasis, and high uptake in a mass of the right triceps brachii muscle. Two years before, she underwent 18 F-FDG PET/CT and 111 In-pentetreotide scan, respectively, with low and high uptake of each radiotracer in the triceps mass. Histopathological analysis revealed a solitary fibrous tumor. Immunohistochemistry showed no staining for SSTR-2 and SSTR-5, suggesting tumor overexpression of another somatostatin receptor. This case highlighted a potential pitfall on 68 Ga-DOTATOC PET/CT.
Medical subject headings
- Pancreatic Neoplasms
- Hemangiopericytoma
- Solitary Fibrous Tumors
- Neuroendocrine Tumors
- Organometallic Compounds