Meningiomas are common, benign tumors found in the dural layers of central nervous system (CNS) that often incidentally. 18F-fluciclovine is an amino acid radiotracer used to monitor recurrence prostate cancer due its high uptake cells. This case report outlines a patient with retinoblastoma tumor suppressor gene (RB1) mutation and metastasis bone incidentally noted have enhancing, extra-axial ...