Presentation
Middle-aged patient with a slowly enlarging mass on her little finger.
Patient Data
Age: 55
Gender: Female
From the case:
Hidradenoma
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Large multi-loculated cystic mass on the ventral aspect of the little finger, a small element of which extends deep to the flexor tendon.
Small enhancing nodule in one of the cystic locules.
From the case:
Hidradenoma
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Histopathology identified a hidradenoma.
Case Discussion
This large tendon based mass was clinically suspected to represent a giant cell tumor of the tendon sheath.
MRI characteristics of the lesion were atypical for this diagnosis.
Histopathology following surgical removal indicated it represented a hiradenoma - a skin based pathology.