Os subtibiale

Case contributed by Dr Hisham Alwakkaa


History of ankle twisting.

Patient Data

Age: 8 years
Gender: Male

Well-corticated bony fragment adjacent to the medial malleolus represents os subtibiale.

Case Discussion

Os subtibiale is a rare accessory ossicle and represents a normal anatomical variation this is found incidentally on ankle imaging. It is usually asymptomatic and as with all accessory ossicles, it must not be confused for a fracture especially in the trauma setting.

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Case information

rID: 60001
Published: 2nd May 2018
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included
Institution: Women and children Hospital of Buffalo

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