Presentation
Right posterolateral back firm non painful swelling.
Patient Data
Age: 45 years
Gender: Male
From the case:
Intramuscular lipoma
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Well-circumscribed intra-muscular homogenous fat density mass with fine internal septum is seen within the right latissimus dorsi muscle. It measures about 3.5 x 7 x 7.5 cm in its AP x T x HT respectively.
Case Discussion
CT features are of an intramuscular lipoma.
The most common differential diagnosis is well-differentiated liposarcoma which is usually bigger in size (>10 cm) and usually shows a percentage fat <75%, thick or nodular (>2 mm) septa, nodular/globular areas and prominent enhancement.
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