68Ga-FAPI PET/CT for Differentiation of Malignant Peripheral Nerve Sheath Tumors, Neurofibromas, and Schwannomas.
Malignant peripheral nerve sheath tumors (MPNSTs) are aggressive soft-tissue sarcomas that can develop either de novo or as a result of malignant transformation of neurofibromas. Diagnostic modalities of choice, such as MRI or 18F-FDG PET/CT, show high sensitivity for the detection of MPNSTs but moderate specificity, a...