Lipoma of tendon sheath

Case contributed by Dr Ahmed Abdrabou

Presentation

Swelling of the left hand of long duration, nowadays the patient started to complain of parathesia of the lateral three fingers

Patient Data

Age: 45 years old
Gender: Male
MRI

Well defined capsulated mass attached to the superficial and deep flexor digitorum tendon of the index finger. It exhibits bright signal in T1 and T2 followed by suppression in STIR.

Case Discussion

Diagnosis: Lipoma of tendon sheath (Pathologically proved)

Lipoma of tendon sheath and synovial lining may present as frond like fatty projection or discrete mass. This is a rare case of tendon sheath lipoma, the patient had this swelling of long duration and came now because he started to feel parathesia of the lateral fingers.

On examination the swelling was slippery and soft and no skin discoloration. During operation the mass was adherent to the tendon and difficult to dissect.

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