A member asked:

I have two movable lumps on either side of my spine at the bottom my back what could they be?normal?

4 doctors weighed in across 2 answers

Possible lipomas: If those lumps in the lower back are movable, does not heart you, are not getting bigger fast ? Most likely they are lipoma, which a fatty begin in type.

Answered 4/20/2013

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Dr. Edward Hellman answered

Specializes in Orthopedic Surgery

Usually: Yes, they are likely normal. The joint between the sacrum and your pelvis is known as the SI joint and it is located "on either side of the bottom of the spine" like you are describing. Over each joint is a small bursa which can be felt as a small lump like you are describing. There is no way to say over Internet without an exam to say this is definitely the case, so still best to be seen.

Answered 9/21/2017

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