Lipoma

Case contributed by Dr Ahmed Abd Rabou

Presentation

Painless neck swelling

Patient Data

Age: 62 years
Gender: Male
Modality: MRI

Left submandibular region oval shaped well defined mass. It exhibits high signal in T1, T2 and suppressed in STIR images. No bony or soft tissue infiltration.

Case Discussion

Subcutaneous lipoma is benign tumor arises from subcutaneous adipose tissue.

  • Fat is hypodense in CT
  • Fat is hyperintense in T1, T2 and PD.
  • Fat is hypointense in STIR and FAT SAT.

Differential diagnosis of lesions with hyperintense T1 :

  1. Lipoma
  2. Subacute blood.
  3. Slow flowing blood.
  4. Radiation changes
  5. Cyst with proteinaceous material
  6. Haemangioma
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Case Information

rID: 22468
Case created: 2nd Apr 2013
Last edited: 5th Dec 2015
Inclusion in quiz mode: Included

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