Ultrasonography of superficial soft tissues

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Author: Mikael Häggström [notes 1]


For the abdominal wall, see Ultrasonography of the abdominal wall.


Choice of modality

  • Ultrasonography of superficial soft tissues 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).
  • 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.[1]


Possible findings:

Lymph nodes


The latter case demonstrates the inaccuracy of ultrasound to properly distinguish lipomas from liposarcomas, so this case should have had MRI as a first investigation.


See also: General notes on reporting


  1. For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.


  1. Rohit Sharma and A.Prof Frank Gaillard et al.. Lipoma. Radiopaedia. Retrieved on 2018-09-27.
  2. 2.0 2.1 Dialani, V.; James, D. F.; Slanetz, P. J. (2014). "A practical approach to imaging the axilla ". Insights into Imaging 6 (2): 217–229. doi:10.1007/s13244-014-0367-8. ISSN 1869-4101.  Creative Commons attribution license
  3. Chernev I, Tingey S. (2013). "Thenar intramuscular lipoma: A case report. ". J Med Cases 4 (10): 676-8. 
  4. 4.0 4.1 Content originally copied from: Mak, Chee-Wai; Tzeng, Wen-Sheng (2012). Sonography of the Scrotum . doi:10.5772/27586.  from Kerry Thoirs. Sonography. ISBN: 978-953-307-947-9, Published: February 3, 2012, under the CC-BY-3.0 license.