S M Akram Hossain, Lutfor Rahman, Mahbubul Karim.
Occipital emissary foramen in Bangladeshi skulls.
Pak J Med Sci Jan ;17(3):156-8.

Objective: To ascertain the incidence and position of the emissary vein in the squamous part of the occipital bone from the posterior margin of the foramen magnum to occipital protuberance. Design: It is an observational study to evaluate the incidence of emissary vein in the squamous part of the occipital bone in Bangladeshi skulls. Setting: Department of Anatomy, Rajshahi Medical College; Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka; Bangladesh College of Physician and Surgeon, Dhaka; Shahid Ziaur Rahman Medical College, Bogra; Khulna Medical College; North Bengal Medical College, Sirajgang, Bangladesh. Results: Out of total 150 dry human adult skulls occipital emissary foramen was present in 21 (14%) skulls. Left and right-sided foramen were 7 (4.66%) and 10 (6.66%) respectively but the median foramen was 4 (2.66%). Conclusion: The incidence and positions of the occipital emissary veins are important for the neurosurgeons during their such occipital surgery as these will given them awareness to avoid the excessive bleeding.

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