Imaging Techniques in Musculoskeletal System

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What is the main disadvantage of MRI compared to CT?

It is not as good for imaging cortical bone

On an MRI, what appears as a long black line that can be confused with cortical bone?

Cortex

Which part of a long bone is always black on MRI scans?

Medullary cavity

What term describes the tapered part of a long bone?

<p>Metaphysis</p> Signup and view all the answers

Where is the medullary cavity located in a long bone?

<p>Within the diaphysis</p> Signup and view all the answers

What part of a long bone is referred to as the shaft?

<p>Diaphysis</p> Signup and view all the answers

'Growth plate' would be most commonly associated with which part of a bone in a child's wrist?

<p>Metaphysis</p> Signup and view all the answers

Which imaging technique is described as being quick, not expensive, and having relatively low radiation?

<p>Plain x-rays</p> Signup and view all the answers

What is a disadvantage of plain x-rays mentioned in the text?

<p>May still require other imaging studies</p> Signup and view all the answers

Which imaging technique is characterized by being excellent for showing displacement or joint involvement?

<p>CT scan</p> Signup and view all the answers

Which imaging technique is described as having no radiation used in its process?

<p>MRI</p> Signup and view all the answers

What is an advantage of MRI mentioned in the text in relation to its ability to look at soft tissues?

<p>Very sensitive in detecting water</p> Signup and view all the answers

Which imaging technique is stated as being more expensive and frequently not necessary?

<p>CT scan</p> Signup and view all the answers

Based on the text, which imaging technique shows water (fluid) behind the patella?

<p>MRI</p> Signup and view all the answers

What is the term for a fracture produced by the pull of ligamentous or tendinous attachment?

<p>Avulsion fracture</p> Signup and view all the answers

Which fracture terminology implies a fracture caused by misuse or overuse?

<p>Stress fracture</p> Signup and view all the answers

In a greenstick fracture, how is the cortex of the bone affected?

<p>Broken on one side and buckled on the other</p> Signup and view all the answers

Which type of force causes a torus fracture?

<p>Axial forces</p> Signup and view all the answers

What does an avulsion fracture result from?

<p>Ligamentous or tendinous pull</p> Signup and view all the answers

Which type of fracture involves the cortex being bent or buckled on one side without complete breakage?

<p>Greenstick fracture</p> Signup and view all the answers

What characterizes a stress fracture?

<p>Result of misuse or overuse</p> Signup and view all the answers

In fracture terminology, what is implied by 'comminuted'?

<p>'Greater than 2 fragments' condition</p> Signup and view all the answers

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