===Lipoma/Liposarcoma===
<gallery mode="packed" heights=200160>
File:Ultrasonography of a lipoma.jpg|A '''lipoma''': hyperechoic compared to adjacent muscle, and relatively well-defined, with miniature hyperechoic lines.<ref name=Chernev2013>{{Cite journal|author=Chernev I, Tingey S.|title=Thenar intramuscular lipoma: A case report.|journal=J Med Cases|year=2013|volume=4|issue=10|pages=676-8}}</ref>
File:Scrotal ultrasonography of liposarcoma.jpg|'''Liposarcoma''': In this case a heterogeneous mass consisting of an upper hyperechoic portion, corresponding to lipomatous matrix, and areas of hypoechogenicity corresponding to nonlipomatous components.<ref name="MakTzeng2012">Content originally copied from: {{cite journal|last1=Mak|first1=Chee-Wai|last2=Tzeng|first2=Wen-Sheng|title=Sonography of the Scrotum|year=2012|doi=10.5772/27586}} from {{cite web|url=https://www.intechopen.com/books/sonography/sonography-of-the-scrotum||title=Sonography|author=Kerry Thoirs}} ISBN: 978-953-307-947-9, Published: February 3, 2012, under the [https://creativecommons.org/licenses/by/3.0/ CC-BY-3.0 license].</ref>