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  Indian J Med Microbiol
 

Figure 7: Skull base penetration depths. Depth A fractures involve the anterior table of the frontal bone with or without posterior table involvement and do not extend into the anterior cranial fossa (purple). Depth B fractures involve the floor of the anterior cranial fossa (blue). Depth C fractures involve the middle cranial fossa (yellow). Depth D fractures extend into the posterior cranial fossa (red)

Figure 7: Skull base penetration depths. Depth A fractures involve the anterior table of the frontal bone with or without posterior table involvement and do not extend into the anterior cranial fossa (purple). Depth B fractures involve the floor of the anterior cranial fossa (blue). Depth C fractures involve the middle cranial fossa (yellow). Depth D fractures extend into the posterior cranial fossa (red)