ACCESSORY BONES Flashcards
Most common I and IV of this accessory bone?
OS Intermetatarseum
within the tendon of the
peroneus brevis
Often a secondary ossification center
Os vesalianum
Usually between the medial and intermediate
cuneiform bones
Os intercuneiform
within the tibialis
posterior tendon
Os Tibiale externum
Often a secondary ossification center of the lateral tubercle of the talar posterior process
Os trigonum
Usually large and often a visual prominence
AP, lateral , and LO xray views
Accessory Navicular
Can result in callus formation and pain
Interphalangeal sesamoid of the Hallux
Accessory sesamoid within the peroneus
longus tendon
Os peroneum
Within the tendon of tib ant
Sesamoid of tibialis anterior muscle
Within the tendon of tib post
Sesamoid of tibialis posterior muscle