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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?
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
The sonogram is a test that looks at body organs with no radiation. It uses sound waves and can give us a 2 dimensional view of organs such as the kidney, liver, heart, and lungs. It can define spaces that are either solid or full of fluid. I can also guide large needles into an organ or near the spine, and can help define the area being cut open. Its a ...Read more
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 moreSee 1 more doctor answer
Ultrasound said lump in arm9 tripled in size in 2 /3wks is lipoma. Now I'm getting sharp pain in the lump. Is this normal?
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 moreSee 1 more doctor answer
What is the probability that a lipoma would be labeled as that in ultrasound when really it's a tumor that needs to be biopsied?
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 moreSee 1 more doctor answer
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
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 moreSee 2 more doctor answers
Hard palpable lump next to elbow. Had ultrasound today 4.8cm wide, 1.38 CM deep. Sonographer said it wasn't bursitis or lipoma?
Popliteal Lipoma : A lipoma is an extremely common benign lipid (fat) tumor. It can easily be identified on exam & verified by ultrasound. Lipomas can be seen anywhere on the body under the skin where there is fat. Malignant transformation is extremely rare. Lipomas formed from liponeogenesis, usually seen after a blunt trauma, has a higher incidence of liposarcoma transformation. Bakers cyst is not a lipoma. ...Read more
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