You searched for: “sequestrectomy
sequestrectomy, sequestrotomy (s) (noun); sequestrectomies, sequestrotomies (pl)
The surgical removal of a piece of dead bone that has become separated during the process of necrosis (death or decay from irreparable injury) from a sound bone: As a result of Lorna's falling down the stairway, she had to have a sequestrectomy to remove the decomposing and decaying bone from her leg.