There is a paucity of information on adult coalitions without large, well-designed outcome studies. Current recommendations are thus similar to those for adolescents. Based on the available literature, current recommendations include an initial trial of adequate nonoperative treatment in symptomatic coalitions.
What is tarsal coalition? Tarsal coalition is a condition characterised by congenital fusion of two or more rear foot bones known as the tarsals. Occasionally two or more tarsal bones may fuse together and become interconnected.
A tarsal coalition is an abnormal connection that develops between two bones in the back of the foot the tarsal bones. This abnormal connection, which can be composed of bone, cartilage or fibrous tissue, may lead to limited motion and pain in one or both feet. The tarsal bones include the calcaneus heel bonetalus, navicular, cuboid and cuneiform bones. These bones work together to provide the motion necessary for normal foot function.
A tarsal coalition is a condition where one or more of the bones of the hindfoot talus, calcaneus, and navicular do not fully separate during development. These bones normally split apart forming a joint in the early part of pregnancy when the embryo is developing. The coalition holding the bones together can range from flexible fibrous tissue, cartilage, or a rigid bridge of solid bone.
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Q: I have a 16 year old athlete with a relatively stiff foot that has pain in his rear foot for the past year. He was told he had a coalition. I thought this was a group of people acting together - what is this?
Insights into Imaging. To develop a radiological classification system for talocalcaneal coalition suitable for adults. A retrospective review was performed on patients diagnosed with talocalcaneal coalition from July to November Based on the cartilaginous or bony nature, facet joint orientation and bony structure morphology, we classified talocalcaneal coalitions into four types: I linear with or without posterior hookingII talar overgrowthIII calcaneal overgrowth and IV complete osseous.
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Congenital tarsal coalition resection in adolescents may be hindered by the complex three-dimensional anatomy of the talocalcaneal joint. Peroperative fluoroscopy is not greatly contributive, especially for talocalcaneal coalition. A made-to-measure surgical guide patient-specific instrument was used in 9 consecutive patients for tarsal coalition resection 7 talocalcaneal and 2 calcaneonavicular coalitions. The guide was created by 3D modeling from the CT scan of the foot.