From the case: Os trigonum

Modality: X-ray

- “ An os trigonum is one of the bony ossicles of the foot and can be mistaken for a fracture. it sits posterior to talus on the lateral foot radiogra...”

Used in the following article:

  • Os trigonum - “ The os trigonum (plural: os trigona) is one of the ossicles of the foot and can be mistaken for a fracture.  It sits posterior to the talus on th...”
  • Accessory ossicles of the foot - “ Accessory ossicles of the feet are common developmental variants with almost 40 having been described. Some of the more common include 1-4: os pe...”
  • Accessory ossicles - “ Accessory ossicles are secondary ossification centers that remain separate from the adjacent bone. They are usually round or ovoid in shape, occur...”

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