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 Indian J Med Microbiol  
 

Figure 5 (A-C): Sigmoid sinus variations. (A) Normal position of sigmoid sinus. (B) Lateral position of sigmoid sinus. (C) Anterolateral position of sigmoid sinus. Note diploic hypoplastic mastoid in (B) and (C)

Figure 5 (A-C): Sigmoid sinus variations. (A) Normal position of sigmoid sinus. (B) Lateral position of sigmoid sinus. (C) Anterolateral position of sigmoid sinus. Note diploic hypoplastic mastoid in (B) and (C)