Pathophysiology Otosclerosis( otospongiosis) is an osseous dyscrasia, limited to the temporal bone, and characterized by resorption and formation of new bone in the area of the ossicles and otic capsulePathophysiology ◼ Otosclerosis (otospongiosis) is an osseous dyscrasia, limited to the temporal bone, and characterized by resorption and formation of new bone in the area of the ossicles and otic capsule