Table 3.
Description of ‘small’ phantoms. TBV, BMV and CBV are trabecular bones, bone marrow and cortical bone volumes, respectively.
N | Shape | Linear dimensionsa, cm | , g cm−3 | Tb.Th, cm | Tb.Sp, cm | BV/TV | Ct.Th, см | TBV, cm3 | BMV, cm3 | CBV, cm3 |
---|---|---|---|---|---|---|---|---|---|---|
1 | elliptic cylinder | 0.38 × 0.38 × 8.9 | 0.012 | 0.0248 | 0.22 | 0.024 | 0.017 | 0.060 | 0.024 | |
2 | ellipsoid | 0.39 × 0.39 × 0.61 | 0.012 | 0.0248 | 0.22 | 0.024 | 0.073 | 0.256 | 0.060 | |
3 | elliptic cylinder | 0.6 × 0.6 × 3 | 0.01 | 0.036 | 0.28 | 0.13 | 0.076 | 0.196 | 0.577 | |
4 | deformed cylinder | 1.72 × 0.6 × 0.6 × 0.6 × 1.34 | 0.01 | 0.036 | 0.28 | 0.032 | 0.171 | 0.445 | 0.115 | |
5 | elliptic cylinder | 1.12 × 1.12 × 0.3 | 0.016 | 0.0538 | 0.22 | 0.23 | 0.226 | 0.804 | 1.929 | |
6 | elliptic cylinder | 0.91 × 0.91 × 3 | 0.0174 | 0.058 | 0.22 | 0.16 | 0.184 | 0.640 | 1.130 |
a × b × H – for elliptic cylinders; a × b × c × d × H for deformed cylinders and l × m × n for ellipsoid, where a and c – major axis of elliptic bases; b and d – minor axes of elliptic bases; H – height; l, m and n are ellipsoid axes.