DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Bunion surgery. Image 10 of 12. Foot with a bunion undergoing chevron osteotomy and distal phalanx bone (end toe bone) removal surgery. Here, the surgeon is cutting through the big toe's metatarsal bone with a bone saw. Bunions (hallux valgus) are swellings of the joint between the big toe and the first metatarsal bone, which causes the base of each big toe to project outwards and their tips to point inwards. A chevron osteotomy is where the first metatarsal bone of the big toe is cut, using a V-shaped incision, repositioned and screwed into place. For a series of the procedure, see images M551/523 - M551/534.
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