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Table 2 Characteristics of cases

From: Whole brain radiotherapy with adjuvant or concomitant boost in brain metastasis: dosimetric comparison between helical and volumetric IMRT technique

  pt 1 pt 2 pt 3 pt 4 pt 5 pt 6 pt 7 pt 8 pt 9 pt 10
Number of metastases 1 1 1 2 1 1 1 2 1 2
Site Right frontal lobe right semioval center right parietal lobe Right frontal-parietal lobe and right occipital lobe Right occipital lobe right lateral ventricle Cerebellar Right occipital lobe and left parietal lobe Right temporal lobe Right and left temporal lobe
Whole brain PTV (ml) 1796.12 1899.90 1440.29 1573.23 1581.73 1554.60 1769.70 1840.10 1583.20 1275.46
Diameter max. of metastasis (mm) 20 13 21 20 18 12 30 23 13 33
    35     8   11
Boost PTV (ml) 10.75 7.25 15.23 13.68 11.01 5.77 21.88 12.10 5.28 25.92
    51.01     1.43   4.79
Number of arcs - SIB 2 3 2 2 2 2 2 4 2 6
Number of arcs - SRS 2 2 2 2 2 2 2 4 2 6