Why is My Knee Swollen ?

Steve Mora MD

Orange County Knee Specialist

KNEE SWELLING 101: How to tell apart a KNEE EFFUSION from swelling associated with a Prepatella BURSITIS. This is important to know because the approach for removing the fluid is different and one type of swelling is more serious than the other.

A EFFUSION is caused by pathology deep within the joint. For example, acute trauma such as an ACL tear or a fracture will lead to a effusion called a hemarthrosis. If the deep pathology is due to arthritis or a meniscus tear the effusion is made up of excessive synovial fluid build up. Regardless the fluid is located deep in the joint.

PREPATELLA BURSITIS presents a little differently. It’s usually due to direct impact or continuous pressure to the front of the knee. I see this in Jiu Jitsu fighters who make hard contact onto the mat with the front of their knee. I also see it in people who accidentally kneel down onto a small pebble or bump the knee on the edge of their desk. Bursitis is often confused with a knee effusion.

Patients with bursitis simply need to have the fluid removed and the problem will be solved. Sometimes you need to do this a couple of times.

Patients with a effusion need the fluid removed AND a MRI to determine the underline injury deep in the joint. I hope you enjoy the videos below.

About Dr Mora:


About Steve A. Mora MD:

Dr. Mora is a board-certified orthopedic surgeon at Restore Orthopedics and Spine Center in Orange County.
He specializes in:

-Sports Trauma -Arthroscopy of the knee, shoulder, hip and elbow.
-Arthritis of the Knee

-Mixed Martial Arts Injuries

-First Responder Injuries

-Regenerative Medicine:Lipogems, Bone Marrow Stem Cells, Plasma therapy.

For a consultation please call Restore Orthopedics and Spine Center in the City of Orange 714-598-1745

Dr. Mora’s family heritage is Peruvian. He speaks fluent Spanish.

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Address:

Restore Orthopedics and Spine Center

112o W. La Veta Ave, Third Floor

Orange, CA 92868

Office: (714) 598-1745

Fax: (714) 941-9539

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