ExplanationB. • Schuller’s view and Law’s view are lateral oblique views of mastoid to see the extent of pneumatisation and destruction, and the dural and sinus plate. • X-ray of the ear was formerly the standard method of diagnosing diseases of mastoid but now HRCT scan shows a much clearer picture of the mastoid and other structures and thus is of greater utility in assessing the various conditions of the ear and their complications. Therefore the use of standard X-rays has now declined.
