Get Virtual Care
For Businesses
About Us
A member asked:
My knee is buckling when i try to run... there is a a round mass almost the size of a golf ball on the posterior side of my knee.. what is it?
A doctor has provided 1 answer
Cyst?: There are several possibilities but cysts are common behind the knee. You should have this checked by a physician.
Answered 12/17/2014
5.2k views
Thank
Related Questions
A member asked:
I had a ganglion cyst behind my knee about the size of a golf ball, removed by surgery due to nerve pain. It is already back. Now what do I do?
3 doctors weighed in across 2 answers
A member asked:
Had severe stiffness straightening leg.Xrays showed golf ball sized calcium deposit behind knee.Doc used a needle to extract fluid. Causes please.
A doctor has provided 1 answer
A member asked:
I have knee pain and been told it's probably runners knee. It's getting worse running or walking up/down hills/stairs. Buckles a lot. Painful.
A doctor has provided 1 answer
A member asked:
I need help getting to the bottom of why I feel so run down and am losing what seems to be muscle mass and adipose fat from knees and elbows. ?
3 doctors weighed in across 2 answers
A member asked:
Could you tell me why my knee buckles when i run, but there is no pain?
A doctor has provided 1 answer
People also searched for:
My 14yo son (soccer player) has a golf ball size bony mass under his right knee. top of his shine bone. painful at times. Grad. gotten bigger.
What could cause a 24yo/F to grow cysts on back of neck, side of foot, below knee, in arm pits, and above grown? Size ranges from marble to golf ball.
A golf ball size lump showed suddenly on the inner part of my right knee slightly toward back. No pain at all. What could it be?
I have a knot on my knee which is now soft and possibly filled with water or blood. Is this serious? I fell and hit my knee on a dishwasher two weeks ago. It swelled and had minor pain. Now i notice I have a knot the size of a golf ball or smaller and
I went for a 8 mile bike ride and now I have sweeping the size of a golf ball below my right knee. It does not hurt but...
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HIPAASecure
SOC 2 Type 2Certified
JCAHOAccredited
Download HealthTap
Video visit and message your doctor
