Pes planus xray. Conditions that cause spastic paralysis. This represents a talocalcaneal coalition which is an abnormal connection between the talus and calcaneus and is thought to cause the flat foot deformity in this case. Syndesmosis rid6088 injury. Compression of superior aspect of bone fracture rid4650 of calcaneus or of posterior facet.
It is often associated with certain neuromuscular disorders such as. The lateral column is inherently stable. Pediatric lateral x ray of a flat foot with c sign which is a bony bridge between the talar dome and sustentaculum tali in combination with a prominent inferior border of the sustentaculum tali. Considered one of the commonest associations in the western world 4 6.
Pes planus results from loss of the medial longitudinal arch and can be either rigid or flexible. Theory of development of pes planus the foot can be divided into two major parts the medial column and the lateral column. As a flatfoot pes planus deformity develops the arch sags at the naviculocuneiform or talonavicular joint causing a decrease in calcaneal pitch a decreased lateral first talometatarsal angle. Gunstock deformity supracondylar fracture rid4650 foot.
Mearys angle or talus first metatarsal angle has been used to identify the apex of deformity in patients with pes cavus and pes planus on lateral weight bearing foot radiographs. These deformities are usually flexible which means that on non weight bearing views the alignment of the plantar arch normalizes. The talus navicular cuneiforms and the first three rays comprise the medial column and the calcaneus cuboid and lateral 2 rays comprise the lateral column 5. Pes planus can be objectivated by measuring the calcaneal pitch.
Pes cavus refers to a descriptive term for a type of foot deformity with an abnormally high longitudinal arch of the foot caved in foot. Morton 2 has estimated the incidence of pes planus at as high as 40 per cent of the population. Varus hindfoot valgus hindfoot.
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