A member asked:

After a bad fall, hittin the knee now knee cap is swollen, couple of cuts and extremely painful, suspected ruptured bursa sac. how can a xray prove?

2 doctors weighed in across 2 answers

Exam: You will need an examination and x-rays to rule out a fractured patella or tibia/fibula/femur. The x-ray will not show a ruptured bursa, only an MRI will.

Answered 10/26/2018

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Dr. Daniel Ziegler answered

Specializes in Emergency Medicine

X-ray may help: X-ray is needed to rule out bone injury and if struck directly you could have broken your kneecap.If there is a fracture it must be treated. Bursa's don't rupture in initial injuries because they are normally deflated, but you can have blood filling the bursa or inside the joint which is painful. With cuts and any possibility of a fracture you should go to the ER because of risk of bone infection.

Answered 10/26/2018

3.7k views

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