What is an Ossicle in the ankle?

What is an Ossicle in the ankle?

Ossicles are small bones. The ossicles which occur in the ankle are accessory ossicles – extra bones which form naturally during the development of the skeleton. The most common accessory ossicle in the ankle is the Os trigonum, which occurs in about 5-10% of all people. It forms next to the talus (or anklebone).

What causes an Ossicle?

Accessory ossicles are well-corticated bony structures found close to bones or a joint. They result from unfused ossification centres and are frequently congenital. They may, however, also be the result of prior trauma.

Which Ossicle is in post tib tendon?

The accessory navicular (os navicularum or os tibiale externum) is an extra bone or piece of cartilage located on the inner side of the foot just above the arch. It is incorporated within the posterior tibial tendon, which attaches in this area and can lead to Accessory Navicular Syndrome.

Can ossicles cause pain?

Accessory ossicles usually remain asymptomatic, but can become painful due to fractures, dislocations, degenerative changes, osteonecrosis, osteoarthritis, osteochondrial lesions, avascular necrosis, tumors, and irritation or impingement of adjacent soft tissues.

What are the 3 Ossicle bones?

Ear bone, also called Auditory Ossicle, any of the three tiny bones in the middle ear of all mammals. These are the malleus, or hammer, the incus, or anvil, and the stapes, or stirrup.

Why does the bone above my arch hurt?

Plantar fasciitis is the most common cause of arch pain and one of the most common orthopedic complaints reported. It’s caused by inflammation, overuse, or injury to the plantar fascia. The plantar fascia is the ligament that connects the front of your foot to your heel.

What is extra bone in foot called?

An accessory navicular is an extra bone that is on the inner center arch of the foot. Up to 2.5 percent of individuals are born with the accessory navicular.