Question
A 50 yr old with h/o polyarthritis, fatigue, fever, weight loss comes to the clinic. On evaluation, RF and anti- CCP tests are positive. Which of the following is the first choice for imaging?
| A. |
CT scanning
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| B. |
MRI
|
| C. |
Ultrasonography
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| D. |
Radiography
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Show Answer
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Correct Answer � D
Explanation
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|
Ans. D
With the above clinical picture, diagnosis of RA is certain.
Radiography remains the first choice for imaging in rheumatoid arthritis; it is inexpensive, readily available, and easily reproducible, and it allows easy serial comparison for assessment of disease progression.
MRI provides a more accurate assessment and earlier detection of lesions than radiography does; however, the cost of the examination and the small size of the joints involved militate against its widespread use.
Ultrasonography of joints can detect small effusions that are not clinically apparent, and its use is increasing in clinical practice; however, its use is not presently the standard of care for rheumatoid arthritis.
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