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===Choice of modality===
*'''MRI''' is the imaging modality of choice in suspected lipoma, with superior sensitivity of distinguishing it from liposarcoma as well as mapping the surrounding anatomy.<ref>{{cite web|url=https://radiopaedia.org/articles/lipoma|title=Lipoma|author=Rohit Sharma and A.Prof Frank Gaillard et al.|accessdate=2018-09-27|website=Radiopaedia}}</ref>
*'''Ultrasonography''' is the investigation of choice in stable superficial soft tissue masses of unknown origin, at least in flexion surfaces of large joints (groin, popliteal fossa, armpit and cubital fossa), to distinguish for example lipomas, [[aneurysm]]s and [[lymph node]]s.<br> If a lipoma is clinically suspected, ultrasound can often establish the diagnosis, but has a low accuracy, often warranting MRI anyways.<ref name="BurtHuang2017">{{cite journal|last1=Burt|first1=Ashley M.|last2=Huang|first2=Brady K.|title=Imaging review of lipomatous musculoskeletal lesions|journal=SICOT-J|volume=3|year=2017|pages=34|issn=2426-8887|doi=10.1051/sicotj/2017015}}</ref> MRI is the imaging of choice in soft tissue lumps that are growing, are over 5 cm in size, have deep location or are painful.<ref group=notes>Criteria at {{NU Hospital Group}}</ref>
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