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Computed tomography differentiation of compact and cancellous bone tissue in short and sesamoid bones

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11 apr 2025
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FIGURE 1.

Schematic selection of regions of interest (ROIs) and parts of bones.
A = patella, B = calcaneus, C = talus, D = navicular bone, E = cuboid bone, F = medial cuneiform bone
Schematic selection of regions of interest (ROIs) and parts of bones. A = patella, B = calcaneus, C = talus, D = navicular bone, E = cuboid bone, F = medial cuneiform bone

FIGURE 2.

Selection of regions of interest (ROIs) on calcaneus.
Selection of regions of interest (ROIs) on calcaneus.

FIGURE 3.

95 % confidence intervals of bone density in Hounsfield units (HU) for each skeletal element and its parts.
A = patella, B = calcaneus, C = talus, D = navicular bone, E = cuboid bone, F = medial cuneiform bone
95 % confidence intervals of bone density in Hounsfield units (HU) for each skeletal element and its parts. A = patella, B = calcaneus, C = talus, D = navicular bone, E = cuboid bone, F = medial cuneiform bone

Skeletal element parts based on CT scan analysis for genetic identification sampling

SKELETAL ELEMENT BONE PART
1 Patella Apex, anterior surface, posterior surface
2 Calcaneus Posterior process, body, sulcus, anterior process
3 Talus Head, sulcus, opposite side of talar sulcus, trochlea, posterior calcaneal articular facet
4 Navicular bone Proximal articular surface, distal articular surface, tuberosity
5 Cuboid bone Proximal articular surface, tuberosity, distal articular surface
6 Medial cuneiform bone Proximal articular surface, medial surface, distal articular surface

Bone density values (mean, standard deviations, most extreme differences) and tests for normality of the distribution of Hounsfield units (HU) values for each skeletal element

SKELETAL ELEMENT PATELLA CALCANEUS TALUS NAVICULAR BONE CUBOID BONE MEDIAL CUNEIFORM BONE
N 45 104 60 102 87 63
Normal Parametersa,b Mean 382.71 250.71 255.37 271.25 145.91 321.37
Standard deviation 605.23 599.16 487.60 640.98 420.08 493.63
Most extreme differences Absolute 0.28 0.15 0.14 0.17 0.12 0.14
Positive 0.17 0.10 0.14 0.17 0.11 0.14
Negative -0.28 -0.15 -0.12 -0.13 -0.12 -0.09
Test statistic 0.28 0.15 0.14 0.17 0.12 0.14
Asymptotic significance (2-tailed) < 0.01c < 0.01c < 0.01c < 0.01c < 0.01c <0.01c

Bone density values (average, minimum and maximum) in Hounsfield units (HU) for individual bone parts of 6 skeletal elements

SKELETAL ELEMENT AVERAGE HU MIN HU VALUE MAX HU VALUE
Patella Apex 747.8 322.0 999.7
Patella Anterior surface 837.9 509.4 1100.2
Patella Posterior surface -437.6 -592.0 -176.3
Calcaneus Posterior process 325.6 94.5 872.5
Calcaneus Body -618.9 -856.4 -322.5
Calcaneus Sulcus 900.8 299.5 1257.8
Calcaneus Anterior process 395.4 109.0 1004.0
Talus Head -209.3 -464.9 -54.8
Talus Sulcus 613.5 243.9 1012.1
Talus Opposite side of talar sulcus 613.5 100.9 1019.2
Talus Trochlea -275.4 -518.0 -72.3
Talus Posterior calcaneal articular facet 534.6 112.3 1033.2
Navicular bone Proximal articular surface 850.6 291.2 1180.1
Navicular bone Distal articular surface 523.0 129.2 1017.0
Navicular bone Tuberosity -559.9 -827.5 -163.9
Cuboid bone Proximal articular surface 370.6 92.6 833.7
Cuboid bone Tuberosity 506.2 103.0 860.3
Cuboid bone Distal articular surface -349.0 -646.7 -26.2
Medial cuneiform bone Proximal articular surface 371.4 103.6 1140.0
Medial cuneiform bone Medial surface 838.5 374.0 1202.5
Medial cuneiform bone Distal articular surface -245.8 -495.1 -107.1
Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Medicina, Medicina clinica, Medicina interna, Ematologia, Oncologia, Radiologia