page_title: Toe
section_title: Deformity
hierarchical_section_title: Toe / Clinical significance / Deformity
caption_attribution_description: English: X-ray of the feet of a 8.5 months old male, showing polydactyly in the form of right-sided duplication of the right little toe, with two toes (fifth and sixth) apparently forming joints with the fifth metatarsal bone, which is mildly broadened distally. The duplicated toes have almost normal growth. The fifth toe has mild varus angulation, and the sixth toe has substantial valgus angulation. No other abnormalities. The patient had no other birth defects, and no family history thereof.
context_page_description: Toes are the digits of the foot of a tetrapod. Animal species such as cats that walk on their toes are described as being digitigrade. Humans, and other animals that walk on the soles of their feet, are described as being plantigrade; unguligrade animals are those that walk on hooves at the tips of their toes
context_section_description: Deformities of the foot include hammer toe, trigger toe, and claw toe. Hammer toe can be described as an abnormal contraction or “buckling” of a toe. This is done by a partial or complete dislocation of one of the joints, which form the toes. Since the toes are deformed further, these may press against a shoe and cause pain. Deformities of the foot can also be caused by rheumatoid arthritis and diabetes mellitus. Deformities may predispose to ulcers and pain, especially when shoe-wearing.
  A common problem involving the big toe is the formation of bunions. These are structural deformities of the bones and the joint between the foot and big toe, and may be painful. Similar deformity involving the fifth toe is described as tailor's bunion or bunionette.
  In polydactyly (which can also affect the fingers) one or more extra toes are present.
caption: Right-sided duplication of the right little toe in an 8.5 months old male, with two toes (fifth and sixth) apparently forming joints with the fifth metatarsal bone, which is mildly broadened distally. The duplicated toes have almost normal growth. The fifth toe has mild varus angulation, and the sixth toe has substantial valgus angulation.
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