What is os talus?
What is os talus?
Os Trigonum is a small extra bone that sits at the back of the ankle joint.
How do you treat os trigonum?
Treatment of Os Trigonum Syndrome usually begins with nonsurgical treatment. Non-surgical treatment options include rest, immobilization/bracing, anti-inflammatory medications, physical therapy and corticosteroid injections. Surgery may be determined necessary, typically after 3-6 months of non-surgical treatment.
What does os trigonum feel like?
The signs and symptoms of os trigonum syndrome may include: Deep, aching pain in the back of the ankle, occurring mostly when pushing off on the big toe (as in walking) or when pointing the toes downward. Tenderness in the area when touched. Swelling in the back of the ankle.
What is an os trigonum injury?
The Os Trigonum Syndrome refers to pain posterior of the ankle and reduced plantarflexion caused by “the nutcracker-phenomenon”. When an os trigonum is present, this accessory ossicle together with surrounding soft tissues can become wedged between the tibia, talus and calcaneus.
What is os in bones?
5. os – rigid connective tissue that makes up the skeleton of vertebrates. bone.
How is os trigonum syndrome diagnosed?
Imaging tests that can identify an os trigonum bone:
- X-ray: An os trigonum may be seen on an X-ray, which is a test that visualizes the structure of the bones.
- Computerized tomography (CT) scan: This test can be used to assess bone structure and swelling, and it can identify an os trigonum.
Is os trigonum rare?
Os trigonum syndrome is a rare and painful condition that can affect people who have an os trigonum bone. The os trigonum is an accessory (extra) bone that’s present in about 15 to 30% of people in at least one foot. 1 It is a small, round bone that sits just behind the ankle joint.
Is it normal to have an extra bone in your foot?
It is a normal variation! Accessory bones or Ossicles of the foot are a normal variation that can present as both symptomatic and asymptomatic. There are normally only 26 bones in each foot and an extra bone can mean the foot shape can vary from the average making it difficult to accommodate the extra bone in footwear.
Why does os trigonum hurt?
For the person who has an os trigonum, pointing the toes downward can result in a “nutcracker injury.” Like an almond in a nutcracker, the os trigonum is crunched between the ankle and heel bones. As the os trigonum pulls loose, the tissue connecting it to the talus is stretched or torn and the area becomes inflamed.
Is os trigonum a bone spur?
The os trigonum is a bony point of the posterolateral talus—meaning it’s an extra bone fragment, or bone spur, that sits on the back of the ankle near the heel bone that can cause pain and irritation with activity. This occurs in approximately 10-25% of the population.
What is OS in medical terms?
OS is an abbreviation for “oculus sinister” which is Latin for “left eye.”
Is OS Trigonum a sesamoid bone?
Both sesamoid bones and accessory ossicles can be affected by trauma, infection, degenerative disease and osteonecrosis. Due to their locations in the foot, the hallucal sesamoids and the os trigonum are more susceptible to trauma and fracture.
