Subungual exostosis fourth finger

Case contributed by Dr Domenico Nicoletti


Fourth finger subungual excrescence with pain.

Patient Data

Age: 16
Gender: Female

TC left foot

Fourth finger subungual exostosis. 

Case Discussion

Subungueal exostosis is a benign osteochondral disease, which is characterized by expressions of pain on the apex of the finger and is generally associated with nail deformities. It can affect any of toes although it is most frequently located on the big toe. Traumatic events or microtraumatic almost always have a decisive influence in the genesis of this type of lesion.

Case courtesy: Prof Fabio Denicolò

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Case information

rID: 47910
Published: 7th Sep 2016
Last edited: 8th Sep 2016
Inclusion in quiz mode: Excluded

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