Jun 25, 2024 ˇ Os subfibulare is an accessory ossicle that lies at the tip of the lateral malleolus of the ankle and is rarely reported.
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What is the os at the fibula?
Os subfibulare is an ossicle at the tip of the lateral malleolus found in 1% of the human population. It is a result of an unfused accessory ossification center or an avulsion fracture of the anterior talofibular ligament.
What is the cause of os subfibulare?
There are two theories regarding the origin of os subfibulare. One theory proposes that it is caused by an avulsion fracture attributable to pull of the anterior talofibular ligament, whereas the other theory proposes that it is the result of an accessory ossification center.
What is an os bone?
Os peroneum is a round or oval-shaped sesamoid bone that is embedded in the peroneus longus tendon. It is located at the lateral plantar aspect of the cuboid and has a reported prevalence of 4.7%-30% (Figure 3) [9,13,18]. Open in a separate window. Figure 3. Appearance of os peroneum in a patient with cuboid fracture.
What is the os at the distal fibula?
Os subfibulare is an accessory ossicle of the lateral malleolus at the distal end of the fibula. In most instances, os subfibulare is found incidentally on radiographs.
Jul 29, 2022
Os subfibulare is a separated ossicle at the tip of the lateral malleolus and inferior portion of the fibular tuberosity of the ankle which is rarely reported.
The fibula ( pl. : fibulae or fibulas) or calf bone is a leg bone on the lateral side of the tibia, to which it is connected above and below.
Os subfibulare is an ossicle at the tip of the lateral malleolus found in 1% of the human population. It is a result of an unfused accessory ossification center ...
Jul 29, 2022 ˇ Os subfibulare is an accessory ossicle of the lateral malleolus at the distal end of the fibula. In most instances, os subfibulare is found ...
The fibula sits lateral to the tibia in the leg. It's classified as a long bone and includes the following bony features: - parts: head, neck, body, and ...
Separated ossicles at the tip of the lateral malleolus, the condition known as os subfibulare, are sometimes a cause of ankle pain.
Sep 17, 2023 ˇ Lower Extremity Os are secondary ossification centers that remain separated from the normal bone and may be confused with a fracture. ˇ Diagnosis ...
These findings suggest that an os subfibulare represents an avulsion fracture that may or may not be associated with laxity of the anterior talofibular ligament ...
May 29, 2023 ˇ Os subfibulare is a rounded bony fragment inferior and anterior to the lateral malleolus with a prevalence of 1–2% [1, 2]. The aetiology of os ...
