Presentation
Painless swelling in hand of chronic duration
Patient Data
Age: 50 years
Gender: Female
From the case:
Tendon sheath lipoma
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Well-defined lobulated mass is seen insinuating between the flexor tendons that is composed of fat, complete fat suppression is seen on fat sat images consistent with a lipoma.
Case Discussion
True discrete tendon sheath lipomas are rare, usually the hand is the most common site.
Other than soft tissue lipoma, lipomas can manifest as true tendon sheath / joint lipoma (such as this case) or lipoma arborescens.
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