FOLH1 and bone metastasis: The results of the current systematic review revealed 2 different imaging examinations could be used to identify or exclude cases with suspected bone metastasis, but the (SEN) and SPE (pooled sensitivity being 0.97 and 0.86, respectively, while pooled specificity was 1.00 and 0.87, respectively) of 68Ga-PSMA-PET/CT in the diagnosis of bone metastasis were superior to that of bone scan.