possibly SI joint: The sacroiliac joint is where the hip bones join the spine. Arthritis of this joint is often felt as pain in the buttocks sometimes extending down the thigh. It can be easily treated by an injection in the joint.
Answered 10/16/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
9 doctors weighed in across 4 answers
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