Close
 Indian J Med Microbiol  
 

Figure 1 (A-F): Different patterns of mastoid pneumatization. (A) Normal pneumatization. (B) Hyperpneumatization. (C) Hypoplastic diploic mastoid, note deep anterior position of sigmoid sinus. (D) Diploic mastoid. (E) Partially pneumatic (white arrow) partially diploic (black arrow) mastoid. (F) Mixed, pneumatic (white arrow), diploic (black arrow) and sclerotic (dashed black arrow) mastoid

Figure 1 (A-F): Different patterns of mastoid pneumatization. (A) Normal pneumatization. (B) Hyperpneumatization. (C) Hypoplastic diploic mastoid, note deep anterior position of sigmoid sinus. (D) Diploic mastoid. (E) Partially pneumatic (white arrow) partially diploic (black arrow) mastoid. (F) Mixed, pneumatic (white arrow), diploic (black arrow) and sclerotic (dashed black arrow) mastoid