99m Tc-FAPI-46 Scintigraphy in Recurrence of Low-Grade Myofibroblastic Sarcoma.
case_report · Level V
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- Record sourced from PubMed, PMID 40392128.
- Also identified by DOI 10.1097/RLU.0000000000005977.
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Abstract
Low-grade myofibroblastic sarcoma (LGMFS) is a rare mesenchymal tumor, infrequently found in the abdominal cavity, where it may exhibit more aggressive behavior. This case report presents a 15-year-old boy with LGMFS manifesting as a large abdominal mass. Following neoadjuvant therapy and surgical resection, recurrence was detected via follow-up imaging. We employed 99m Tc-FAPI-46 scintigraphy, representing its first reported application in LGMFS. The FAPI scintigraphy exhibited uptake in all tumoral lesions identified on contrast-enhanced CT scan, underscoring the potential of FAPI in the evaluation of this rare entity.
Medical subject headings
- Organotechnetium Compounds
- Neoplasm Recurrence, Local
- Sarcoma