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	Foot Problems
	You are in Foot Problems > Toe Problems > Subungal Exotosis (bone spur under toenail). Bunions  •   Claw Toe  •   Digital Deformity  •   Hallux Limitus (stiff big toe joint)  •   Hallux Rigidis (rigid big toe)  •   Hallux Varus  •   Hammertoes  •   Intoeing  •   Overlapping, Underlapping Toes  •   Subungal Exotosis (bone spur under toenail) Toe Problems - Subungal Exotosis (bone spur under toenail) A Subungual Exostosis is more commonly referred to as a bone spur under toenail. They generally are a result of some form of trauma to the toe, forming a bony irregularity or prominence. They are normally treated by surgical removal. Other small tumors called Osteochondromas and Enchondromas can also form in the bone beneath the toenail as well as in other bones in the body. Copyright ©2008 Officite Leonardo da Vinci once called the foot a masterpiece of engineering.