Module 9 Flashcards

1
Q

VFA

A

Vertebral fracture assessment

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2
Q

What are other names for VFA

A

RVA
IVA
DVA
LVA

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3
Q

What is the area of region for A

VFA

A

Fourth thoracic vertebrae to the 5th Lumbar vertebrae

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4
Q

What type of fractures are particularly highly predictive of future fractures

A

Vertebral fractures

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5
Q

What percentage of verterbal fractures found on imaging exams ever exhibit clinical indications

A

30%

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6
Q

True or false pts with low bone mass but no prior fragility fractures are at lower risk than patients with a high bone mass and previous fragility fracture

A

True

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7
Q

What is the most common osteoporotic break

A

Vertebral compression fracture

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8
Q

The ISC D States that the vertebral fracture information should be collected if the T score is less than

A

Negative 1.0 and 1 more other qualification

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9
Q

Name the other qualifications for a veterbal fracture information to be collected

A

Women older than 70 or men older than 80, a height loss of more than 4 cm or 1.57”, a self reported vertebral fracture that was not medically documented, and glucocorticoid therapy equivalent to the 5 mg of prednisone daily for more than 3 months

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10
Q

What is the average dose for DXA

A

3 to 40 mSv

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11
Q

Where’s the most common sight for a vertebral fracture

A

T11 through L1

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12
Q

Where is the 2nd most common Site for a vertebral fracture

A

T7 through T8

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13
Q

This is a semiquantitative method for vertebral fracture evaluation

A

The Genant System

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14
Q

This approach compares the anterior medial and posteroir vertebral height with the height of a normal vertebrae

A

The Ganant system

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15
Q

Mild fractures exhibit what percentage reduction in vertebral height

A

20 to 24%

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16
Q

Moderate fractures have an average decrease in height of

17
Q

Severe fractures mostly present with what percentage of height reduction

A

40% or greater

18
Q

Anterior vertebrae fractures are described as

A

Wedge shape

19
Q

Middle Vertebrae fractures are specified as

20
Q

Posterior vertebral fractures are considered

A

Crushed shape

21
Q

Quantitative morphonetric analysis uses how many vertebral points for measurement

22
Q

What are some incidental pathological findings seen on VFA

A

Abdominal aortic classifications

23
Q

What is the most commonly misdiagnosed vertebral deformity

A

Physiological wedging

24
Q

If vertebral height is not reduced by more than 20% of expected findings, than the clinician can suspect blank is unlikely

A

Physiological wedging

25
This disease presents as remarkable kyphosis of the Thoracolumbar spine. Must show more than 5゚ of i anterior wedging in at least 3 neighboring vertebrae for diagnosis
Scheurmanns disease
26
These are end plate depressions that are well rounded. They often have a sclerotic border and involve only a portion of the end plate
Schmorls nodes
27
This disease often occurs in older adults and is caused by weakening vertebral facet joints. This leads to lateral curvature of the spine and rotational obliqueness
Degenerative scoliosis
28
This deformity most often affects the inferior end plates of the L4 and L5 vertebrae.
Cupid's bow
29
Compression fractures are most often found at
T11 through L1
30
Which vertebrae are most often affected by Cupid's bow deformity
L4 and L5
31
Where should the bone density technologist begin counting vertebrae
L5