"Relations and/or Boundaries"
"Bezold abscess"
"Citelli abscess"
"Bullough lesion"
Expected headings
"Relations and/or Boundaries"
"The degree of mastoid pneumatisation is variable, which may be categorised as pneumatic (full air cell development), sclerotic (solid bone), diploic (marrow), or mixed (air cells and marrow) 2,3."