Term
| Densitometry is primarily a _____________ measurement technique rather than a skeletal imaging technique. |
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Definition
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Term
| Studies of the lumbar spin performed with DPA or DXA are generally acquired by the passage of photon energy from the ___________ to ___________ direction. |
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Definition
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Term
| The posterior elements of L1, L2 and L3 have a ____ or _____-shaped appearance. |
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Definition
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Term
| L4 can be described as looking like a block _____ or _____. |
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Definition
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Term
| L5 has the appearance of a block letter _____ on its side. |
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Definition
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Term
| Although L5 can be seen, it is not usually quantified because of potential interference with the _______. |
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Definition
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Term
| ______ frequently has the lowest BMC and BMD of the first four lumbar vertebrae. |
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Definition
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Term
| The BMD of a fractured vertrebrae will be decreased/increased because of the fracture itself. |
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Definition
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Term
Vertebral fractures in osteoporosis frequently occur in the _________ region and the _______ region.
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Definition
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Term
| __________ caused a statistically significant increase in the BMD in the AP spine when compared to controls without ____________. |
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Definition
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Term
| Some artifacts, because of their very high density, appear as a __________on a PA spine DXA study rather than white. |
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Definition
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Term
| Rotation of the vertebral bodies is often a component of _______________. |
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Definition
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Term
| _____________ is an anatomic region in the neck of the femur that is formed by the intersection of three trabecular bundles. |
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Definition
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Term
| If osteoarthritis or some other process restricts the ability of the patient to rotate the femur properly, the study should/should not be done. |
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Definition
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Term
| The 33% and 50% sites are both characterized as ____________ sites. |
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Definition
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Term
| The 10% site is considered a ____________ site. |
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Definition
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Term
| The _____________ site is variously centered at a distance of either 4% or 5% of the ulnar length. |
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Definition
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Term
| The _____________, ______________, and ____________ were among the very first sites studied with the older techniques of radiographic photodensitometry and radiogrammetry. |
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Definition
metacarpals
phalanges
calcaneus |
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Term
| The ___________ contains an extremely high percentage of trabecular bone and is exquisitely sensitive to weight-bearing activities. |
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Definition
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