Extensive ossification over the lateral semicircular canal has a low
incidence.
The osseous tissue frequently fused with the osseous lateral
semicircular canal, obscuring the boundaries between the two
structures.
The incidence of iatrogenic fistula during surgery is extremely high.
EC-LSC is essentially a form of heterotopic ossification; the
resultant osseous tissue features an external morphology and texture
similar to that of normal bone.
Preoperative identification and intraoperative search for several
location makers