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Long range node-strut analysis of trabecular bone microarchitecture
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10.1118/1.3622600
/content/aapm/journal/medphys/38/9/10.1118/1.3622600
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/38/9/10.1118/1.3622600
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Figures

Image of FIG. 1.
FIG. 1.

An axial pQCT slice of human proximal tibia acquired 17 mm below the tibial plateau. The cortical shell has been removed from the image. The trabecular BMD of this sample is 107 mg/cm3. The hole visible on the left of the image is the result of a cylindrical biopsy.

Image of FIG. 2.
FIG. 2.

The five possible length-3 paths in a leftwards (“west”) direction from pixel (i, j). The start pixel (i, j) is marked in black.

Image of FIG. 3.
FIG. 3.

Node strength algorithm illustrated on a region of trabecular bone taken from the full section shown in Fig. 1. (a) Original image; (b) horizontal strands; (c) vertical strands; (d) diagonal strands (“northwest–southeast”); (e) diagonal strands (“northeast - southwest”); (f) node strength.

Image of FIG. 4.
FIG. 4.

Trabecular microarchitecture of a section with BMD 107 mg/cm3. (a) Original image; (b) the node strength of each pixel. The mean node strength is 71.2.

Image of FIG. 5.
FIG. 5.

Trabecular microarchitecture of a section with BMD is 94 mg/cm3. (a) Original image; (b) the node strength of each pixel. The mean node strength is 42.2.

Image of FIG. 6.
FIG. 6.

Scatter plot of mean node strength vs. trabecular bone mineral density (mg/cm3).

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/content/aapm/journal/medphys/38/9/10.1118/1.3622600
2011-08-11
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Long range node-strut analysis of trabecular bone microarchitecture
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/38/9/10.1118/1.3622600
10.1118/1.3622600
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