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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Tumor On The Back With A History Of Lipoma?

I had surgery to remove a lipoma on my back 4 years ago. When the path reports came back I was told I had a liposarcoma and had cancer. I had an mri done and was told I didn t have cancer. now I have another tumor in the same area. it was soft as first, like the first one I had, but turned hard about 1 year ago. After it became hard it has been beyond painful. I m scared. What do you think?
Wed, 18 Mar 2015
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Radiologist,  's  Response
Hi,
Thanks for writing in.

There is a little bit of confusion in your statement. It is not clear if the path reports consistently said it was a liposarcoma. MRI is a good investigation tool for tumors and shows the size, location, infiltration and any associated structural involvement. The path reports are confirmatory and always have to be matched with the MRI results. If path reports say it was malignant then there is no other way to tell that it isnt one.

In view of what is written above and considering that the path reports were altered subsequently, the appearance of a new tumor in the area requires CT or MRI scan and an image guided biopsy from the active region of the tumor. This is essential to know if there is a locally aggressive process going on and if it should be treated. The pain can be due to nerve entrapment by the tumor and that must also be looked in to. A biopsy is the final confirmation in your case. There is no need to get scared as it can also be a focus of chronic infection in the operated area. Please do not worry.
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What Causes Tumor On The Back With A History Of Lipoma?

Hi, Thanks for writing in. There is a little bit of confusion in your statement. It is not clear if the path reports consistently said it was a liposarcoma. MRI is a good investigation tool for tumors and shows the size, location, infiltration and any associated structural involvement. The path reports are confirmatory and always have to be matched with the MRI results. If path reports say it was malignant then there is no other way to tell that it isnt one. In view of what is written above and considering that the path reports were altered subsequently, the appearance of a new tumor in the area requires CT or MRI scan and an image guided biopsy from the active region of the tumor. This is essential to know if there is a locally aggressive process going on and if it should be treated. The pain can be due to nerve entrapment by the tumor and that must also be looked in to. A biopsy is the final confirmation in your case. There is no need to get scared as it can also be a focus of chronic infection in the operated area. Please do not worry.