Dear friend, welcome and thanks for entrusting your query here at HCM!
I am Dr. Prasad Akole (Critical Care Expert- http://bit.ly/Dr-Prasad-Akole) and am glad to address to your query here.
of the knee shows degenerative changes in the bone and cartilage
covering the joint surfaces (chondral defects).
There is a tear of the meniscus
absorbers of the knee) and a large fluid collection in and around the knee joint (effusion and Baker’s cyst
These are probably degenerative (wear and tear) changes, but exact cause needs more evaluation and info (age , sex, etc.).
Please be guided by your orthopaedician and do not neglect.
I hope you are fully satisfied with the guidance I gave.
I would be glad to answer any further queries.
Thank you and Good luck!