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Head and neck lipomas: sonographic appearance

A T Ahuja1, A D King, J Kew

  • 1Department of Diagnostic Radiology and Organ Imaging, Prince of Wales Hospital, Shatin NT, Hong Kong.

AJNR. American Journal of Neuroradiology
|April 16, 1998
PubMed
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Sonography can identify head and neck lipomas by their characteristic appearance. These well-defined, elliptical masses often appear hyperechoic with internal echogenic lines on ultrasound.

Area of Science:

  • Radiology
  • Medical Imaging
  • Oncology

Background:

  • Cervical lipomas can be difficult to diagnose clinically.
  • Sonography is often used for evaluating soft-tissue neck masses.

Purpose of the Study:

  • To document the sonographic features of head and neck lipomas.
  • To aid in the accurate diagnosis of lipomas using ultrasound.

Main Methods:

  • Sonography was performed on 25 patients with neck soft-tissue masses.
  • Lipoma diagnosis was confirmed through fine-needle aspiration cytology, excision biopsy, CT, or clinical follow-up.
  • Clinical suspicion of lipoma was present in only 8 of 25 patients.

Main Results:

  • Lipomas appeared as well-defined, compressible, elliptical masses.

Related Experiment Videos

  • All lipomas displayed echogenic lines parallel to the skin surface.
  • Most lipomas (76%) were hyperechoic compared to adjacent muscle.

    • Conclusions:

    • Characteristic sonographic findings include an elliptical, hyperechoic mass with linear echogenic lines.
    • These features aid in differentiating lipomas from other neck masses on ultrasound.
    • Sonography is a valuable tool for diagnosing head and neck lipomas.