Case contributed by Dr Aneta Kecler-Pietrzyk


25 years old post hand injury.

Patient Data

Age: 25
Gender: Male

Accessory ossicle distally to ulnar styloid known as lunula.

Base of 4th metacarpal bone fracture. 

Case Discussion

Lunula is accessory ossicle of the wrist lying distally to ulnar styloid as opposed to os triangulare which is typically localized more radially.

The lunula may be difficult to distinguish from an old ulnar styloid process avulsion injury.

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Case information

rID: 52777
Published: 20th Apr 2017
Last edited: 10th May 2017
Inclusion in quiz mode: Included

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