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. 2021 Jun 3;13(6):e15417. doi: 10.7759/cureus.15417

Figure 1. Delineating lytic portions of vertebral metastases.

Figure 1

Metastatic breast cancer to L4 treated with 3000 cGy in 10 at A) CT simulation scan and B) 16-month follow-up scan. Included volumes: GTV, gross tumor volume; GBV, gross bone volume; CBV, control bone volume; Domlyt, dominant lytic volume; Lyt, total lytic volume (consisting of all obviously lytic components of the GTV, including the Domlyt volume).