Metatarsophalangeal sesamoids

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

Work up for foot pain.

Patient Data

Age: 50 years
Gender: Female
x-ray

Small well-corticated bony structures are seen between the distal portion of the metatarsal bones, bilaterally, compatible with sesamoids.

There are also bilateral os naviculare.

Case Discussion

Sesamoids are small focal areas of ossification within tendons as they pass over joints or occur in ligaments. Some of them form part of normal human anatomy (hallux sesamoid), while others are anatomical variants (other metatarsal sesamoids).

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