How is the use of bone scintigraphy in prostate cancer?

Scintigraphy remains the reference examination for the search for bone metastases by the presence of foci of hyperfixation. Its limit remains its low specificity. In high and intermediate risks D'Amico cancer classification (3 classes low [PSA<10, score <6 T1] intermediate [PSA 10-20, score 7] and high risk [PSA >20, score >8 T2c])