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 Indian J Med Microbiol  
 

Figure 6 (A and B): Lateral, lesser wing and anterior extensions. (A) The coronal section of sphenoid sinus showing greater wing extension (arrow head), pterygoid extension (asterisk) and lesser wing extension (notched arrow). (B) The extension of pneumatization anterior to sphenoidal crest (white line), i.e., sphenoethmoidal recess on the left side (asterisk)

Figure 6 (A and B): Lateral, lesser wing and anterior extensions. (A) The coronal section of sphenoid sinus showing greater wing extension (arrow head), pterygoid extension (asterisk) and lesser wing extension (notched arrow). (B) The extension of pneumatization anterior to sphenoidal crest (white line), i.e., sphenoethmoidal recess on the left side (asterisk)