The reason your finger joints are bent could be due to a variety of factors. Based on the provided reference, one possible cause is rheumatoid arthritis, which can manifest in specific ways that affect finger joint alignment.
Here's a breakdown:
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Rheumatoid Arthritis and Finger Deformities: Rheumatoid arthritis is a chronic inflammatory disorder that can cause painful swelling, which can lead to bone erosion and joint deformity.
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Specific Deformities: The reference mentions two specific deformities associated with rheumatoid arthritis that result in bent finger joints:
- Boutonniere Deformity: This results in a bent middle finger joint.
- Swan-Neck Deformity: This results in a bent end joint of the finger, along with over-extension of the middle joint.
While rheumatoid arthritis is a potential cause, other conditions or injuries can also lead to bent finger joints. It is important to seek professional medical advice for an accurate diagnosis and appropriate treatment plan.