Infraorbital foramen: horizontal location in relation to ala nasi

Yasuhiro Takahashi, Hirohiko Kakizaki, Takashi Nakano
Ophthalmic Plastic and Reconstructive Surgery 2011, 27 (4): 295-7

PURPOSE: To examine the horizontal location of the infraorbital foramen in relation to the ala nasi.

METHODS: Fifty-six orbits of 28 Japanese cadavers (18 male and 10 female cadavers; average death age, 79.7 years), fixed in 10% buffered formalin, were used. The horizontal distance from the vertical line through the lateral margin of the ala nasi to the medial margin of the infraorbital foramen (the horizontal distance) and the transverse diameter of the infraorbital foramen (the transverse diameter) were examined. Values were compared between genders and sides using Student's t test.

RESULTS: The mean horizontal distance was 4.9 mm, with no significant difference between genders (male, 5.2 mm; female, 4.4 mm; p = 0.150) or sides (right, 4.9 mm; left, 4.9 mm; p = 0.944). The mean transverse diameter was 5.5 mm. Although there was no significant difference in this diameter between sides (right, 5.3 mm; left, 5.6 mm; p = 0.358), there was a significant difference between genders (male, 5.7 mm; female, 5.1 mm; p = 0.033).

CONCLUSION: The horizontal distance had no gender difference. This value is available irrespective of gender in surgery.

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