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 Indian J Med Microbiol  
 

Figure 1 (A-D): Types of sphenoid pneumatization. Pictorial representation with vertical lines drawn along the anterior (orange line) and posterior walls (blue line) of the sella. (A) Conchal type; pneumatization >10 mm anterior to the anterior wall of sella. (B) Presellar type; the posterior margin of pneumatization anterior to the anterior wall. (C) Incomplete sellar; the posterior margin of pneumatization beneath the sella, but anterior to the posterior wall of sella. (D) Complete sellar; the posterior margin of pneumatization, posterior to the posterior wall of sella

Figure 1 (A-D): Types of sphenoid pneumatization. Pictorial representation with vertical lines drawn along the anterior (orange line) and posterior walls (blue line) of the sella. (A) Conchal type; pneumatization >10 mm anterior to the anterior wall of sella. (B) Presellar type; the posterior margin of pneumatization anterior to the anterior wall. (C) Incomplete sellar; the posterior margin of pneumatization beneath the sella, but anterior to the posterior wall of sella. (D) Complete sellar; the posterior margin of pneumatization, posterior to the posterior wall of sella