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Make the Diagnosis: Should She Be Worried About This Growth on Her Finger?

MedpageToday

Presentation

A 65-year-old woman visited her doctor about a growth that developed on her finger 2 months prior. It was not painful or itchy and had not grown since she first noticed it. On examination, a solitary, smooth, pinkish papule with a tiny central crust was seen on her distal interphalangeal joint on her right index finger. The patient had a history of osteoarthritis. Skin biopsy histopathology showed a well-circumscribed superficial collection of dermal mucin without a true cyst lining; The overlying epidermis was atrophic, hyperplastic or hyperkeratotic; with a variable increase in fibroblasts and absent fibrous wall. Can you diagnose the patient?


to use the Differential Builder in VisualDx to help you.

40% a) Epidermoid cyst

19% b) Ganglion cyst

13% c) Glomus tumor

31% d) Myxoid cyst

Learnings

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103 Votes