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OSTEOARTHRITIS

Rheumatology

OSTEOARTHRITIS

1. OA is the most common form of arthritis. It can be primary (idiopathic) or secondarily A/W other inflammatory arthritis.

2. Secondary causes - gout, pseudogout, hemochromatosis, trauma, RA, or diabetic neuropathy.

3. The joint damage of OA is classically non-erosive. Rarely erosive with "gull-wing" deformity at the DIPJ.

4. Most commonly affected joints are carpometacarpal (CMC-1) joints of the hands, feet, knees, hips, and the spine.

5. Involvement of the ankle, wrist, and elbow is very rarely due to OA.

6. Changes most often affect PIPs and DIPs A/W assymetric, hard & bony nodes - Bouchard (PIP) and Heberden (DIP) nodes.


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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