Accessory navicular bone
Encyclopedia
An accessory navicular bone is an accessory bone
of the foot that occasionally develops abnormally in front of the ankle
towards the inside of the foot. This bone may be present in approximately 2.5% of the general population and is usually asymptomatic. When it is symptomatic, surgery may be necessary.
Surgery can be performed at any age because it does not alter any other bones.
Symptoms of an accessory navicular bone may include plantar fasciitis
, bunion
s and heel spur
s.
Accessory bone
An accessory bone is a bone which does not occur frequently in the body but is still present in a significantly large number of people.- Examples :...
of the foot that occasionally develops abnormally in front of the ankle
Ankle
The ankle joint is formed where the foot and the leg meet. The ankle, or talocrural joint, is a synovial hinge joint that connects the distal ends of the tibia and fibula in the lower limb with the proximal end of the talus bone in the foot...
towards the inside of the foot. This bone may be present in approximately 2.5% of the general population and is usually asymptomatic. When it is symptomatic, surgery may be necessary.
Surgery can be performed at any age because it does not alter any other bones.
Symptoms of an accessory navicular bone may include plantar fasciitis
Plantar fasciitis
Plantar fasciitis is a painful inflammatory process of the plantar fascia, the connective tissue on the sole of the foot.Longstanding cases of plantar fasciitis often demonstrate more degenerative changes than inflammatory changes, in which case they are termed plantar fasciosis. The suffix...
, bunion
Bunion
A bunion is a deformity characterized by lateral deviation of the great toe, often erroneously described as an enlargement of bone or tissue around the joint at the head of the big toe...
s and heel spur
Heel spur
A calcaneal spur is a small osteophyte located on the calcaneus . Calcaneal spurs are typically detected by a radiological examination ....
s.