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Egyptian Journal of Neurosurgery

Table 5 Analysis of Morphometry of Foramen Magnum

From: Morphometric analysis of posterior cranial fossa and foramen magnum and it’s clinical implications in craniovertebral junction malformations: a computed tomography based institutional study in a tertiary care hospital of northern part of India

Shapes of Foramen Magnum

Controls (n = 120)

Oval

27 (22.50%)

Round

24 (20%)

Tetragonal

7 (5.83%)

Pentagonal

8 (6.67%)

Hexagonal

39 (32.50%)

Egg

6 (5%)

Irregular

9 (7.50%)

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