 The facets were identified and marked under fluoroscopic control by rotating the C-arm obliquely, laterally and caudocranial as needed for optimal visualization of the facet joint's "Scottie dog" and the opening of the facet.
The facets were identified and marked under fluoroscopic control by rotating the C - arm obliquely , laterally and caudocranial as needed for optimal visualization of the facet joint 's " Scottie dog " and the opening of the facet .