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Painless large lump on lower back
Hi,
I just noticed last night a very large lump on my lower back (almost like a golf ball!!), about 1 inch higher than the end of my spine and just to the right. It does not hurt at all but has a small bruise on the top.

I have no recollection of hitting it and it is not painful at all. I am going to go to the doctor soon (today!) but I just wanted to know if anyone had any idea of what it might be.
Thanks very much

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Hi.
It is possible that the painless large lump on your lower back is a lipoma.  This is a benign tumor of fatty tissue origin.  Treatment is usually through excision.  However, other conditions including malignancy can present also as a lump on the lower back.
I agree with your decision to consult your doctor.  A biopsy of the lump may be helpful.
Take care.  
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Hi Dennis,
Thanks for your message. The doctor has no idea what it could be. I told him I mountain bike and he reckons it could be a hematoma but it doesn't hurt me at all. I think that it is too high on my back to be related to biking. He gave me a number of a surgeon to call if it does not go away in 6 days.
He said it is unlikely to be a tumor because I have only "noticed it/have it" a couple of days and it would never be that big but I don't really know how long I have had it..
Anyway I will update when I know more
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