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Doctor insights on: Lipoma Ultrasound

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Can a liposarcoma appear as a lipoma on ultrasound? And do they cause sharp pain? Can they occur in the arm?

Can a liposarcoma appear as a lipoma on ultrasound? And do they cause sharp pain? Can they occur in the arm?

No pain: Liposarcomas can arise where ever fat is present in the abdomen and extremities. When malignant transformation occurs it does not do so uniformly throughout a relatively large lesion. To be sure of pathology whole lesion should be resected and one can find lipoma with select areas of malignant transformation as well as myxomatous components.Pain is rarely associated with lipoSa. Sono of no value ...Read more

Dr. Michael Gabor
2,190 doctors shared insights

Sonogram (Definition)

An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more


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I have what appears to be a lipoma in my right rib area according to the ultrasound but now I noticed one on my left side. They are both painful?

I have what appears to be a lipoma in my right rib area according to the ultrasound but now I noticed one on my left side. They are both painful?

Have it examined.: Lipomas are quite frequent and can happen almost everywhere on the body. Usually not painful but sometimes (especially if on top of the bone) may be quite painful and uncomfortable. They can be easily removed surgically. Just have it evaluated by a surgeon. The smaller the lipoma the easier it is to remove it, the smaller the scar. ...Read more

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How accurate is ultrasound in distinguishing between lipoma and soft tissue sarcoma?

How accurate is ultrasound in distinguishing between lipoma and soft tissue sarcoma?

Other tests better: A precise diagnosis of a malignant soft tissue tumor typically cannot be made with ultrasound. Low grade sarcomas may not be able to be differentiated from lipomas on US. Definitive diagnosis can only be made with biopsy. If you have a concern, see your surgeon for consideration of excision or biopsy. ...Read more

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Can a intramuscular bicep lesion that appears heterogeneous on an ultrasound still be a lipoma? What else could it be?

Can a intramuscular bicep lesion that appears heterogeneous on an ultrasound still be a lipoma?  What else could it be?

Ultrasound: Is limited in its ability to characterize soft tissue masses. An MRI with contrast is the best study short of biopsy to evaluate whether this lesion is a benign lipoma or something else. The contrast allows the radiologist to see if any part of the presumed fatty mass enhances (as may occur with liposarcomas). ...Read more

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Hi, I have a lump in my sternal notch that is pretty firm. Ultrasound says "may" be a lipoma, watch for interval growth. Its bigger. Thoughts?

Hi, I have a lump in my sternal notch that is pretty firm. Ultrasound says "may" be a lipoma, watch for interval growth. Its bigger. Thoughts?

Doubt it: lipoma are usually soft specially in this location It is hard for me to say it is not without feeling it or seeing it. I am depending on the location and description. there is higher possibility that it is part of the sternum than it is a lipoma. any way if it is too visible or causing you a problem you can ask to have it removed. ...Read more

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I have a possible deep lipoma on lower back near spine. It is palpable, but it did not show up on an ultrasound. Is it safe to say it isn't cancerous?

I have a possible deep lipoma on lower back near spine. It is palpable, but it did not show up on an ultrasound. Is it safe to say it isn't cancerous?

No: An ultrasound can not differentiate the fat that makes up a lipoma from the surrounding fatty tissues under the skin and will not definitively be able to differentiate a cancer from a non-cancer. If the lump is hurting then have it removed and it should be sent for pathological analysis. That will tell you if it is a cancer (Malignancy) or not. A true lipoma is not typically dangerous. ...Read more

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Is there any way to determine whether a lump in thigh is lipoma or malignant by physical exam or ultrasound? If it's large (2 in), more suspicious?

Is  there any way to determine whether a lump in thigh is lipoma or  malignant by physical exam or ultrasound?  If it's large (2 in), more suspicious?

Most likely benign: One can usually determine with reasonable accuracy between a benign lipoma and malignancy on a routine physical exam. Most should be removed and analyzed by a pathologist to be sure. If there is concern, an ultrasound or MRI can be helpful but total excision is usually the best approach. ...Read more

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Dr. Mark Pack
918 doctors shared insights

Benign Lipoma (Definition)

Lipomas are a clinical finding of benign ...Read more