Term
Definition: Intramembranous Ossification
-what are these bones known as? Examples? |
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Definition
-replacement of sheet-like connective tissue with bone
-intramembranous bones
-ex: flat bones like the skull vones |
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Term
Definition: Endochondral ossification
-what are these bones known as? Example? |
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Definition
-the replacement of hyaline cartilage iwth bone
-called endochondral bones
-best ex are long bones |
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Term
| What is the advantage a weight bearing study has over a non-weight bearing study? |
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Definition
| -allows for joint space assessment |
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Term
Definition: Orthogonal views
-why are they important? |
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Definition
-images made 90 degrees to each other
-basis of mentally building a 3D anatomic model in the mind |
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Term
| Which oblique views are considered standard in many LA radiographic studies? |
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Definition
-DMPLO and DLPMO
-also skull obliques |
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Term
| Which surface do you evaluate in a DMPL radiograph? |
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Definition
| -dorsolateral and pantaromedial |
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Term
| What planes do you evaluate in a DLPM radiograph? |
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Definition
| -dorsomedial and plantarolateral |
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Term
| What is the purpose of flexed views? |
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Definition
| -allow for visualization of a specific area of the joint space or articular margins, which are not well visualized on standard views |
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Term
| What is the purpose of skyline views? |
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Definition
-allow for the visualization of a specific surface of a bone that is not well visualized on other views
-the beam angle is often obliqued to project the specific region of bone looking down a joint (like you'd loook down your nose) |
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Term
| What is the purpose of stressed views? |
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Definition
| -allows for an indirect assessment of the collateral ligaments by assessing for abnormal widening of the joint space |
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Term
| Give an example of a serch pattern. (think your A, B, C's) |
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Definition
A) alignment
b) Bones
C) cartilage/ joint margins
D) device
S) soft tissues |
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Term
| What constitutes "proper alignment"? |
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Definition
| -the limb is normal in appearance and symmetric to the other side |
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Term
| What constitutes "malalignment"? What could cause this? |
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Definition
-abnormal biomechanical stresses are present
-may originate from a fracture, premature growth plate closure, developmental joint abnormalities, and chondrodystropism |
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