Hernia

, Volume 13, Issue 6, pp 639–642 | Cite as

Dimensions of the myopectineal orifice: a human cadaver study

Applied Anatomy

Abstract

Background

In mesh implantations, there needs to be a balance between mass and the size of the meshes. However, the mesh size should allow for adequate prevention of hernia recurrence by sufficient coverage of the entire myopectineal orifice (MPO).

Aim and objective

The aim was to determine the MPO dimensions and several pelvic parameters.

Methods

Thirty-two inguinal regions were assessed in 16 embalmed cadavers.

Results

The MPO averaged 7.8 cm (±3.0) in width and 6.5 cm (±1.9) in height. The weak inguinal area cranially to the inguinal ligament was 4.5 cm (±1.7) high. We found significant gender differences: MPOs in males showed the same width and height (7.6 × 7.6 cm), whereas in females, the MPO width was greater than its height (8.1 × 5.3 cm). Noticeable correlations of the MPO parameters to constitutional parameters were found for body size versus the height of the MPO (r = 0.5005) and interspinous distance versus the height of the MPO (r = 0.7653).

Conclusions

A mesh measuring 10 × 8 cm is suitable for both genders: in females, it will cover the whole MPO, including the infraligamental part, whereas in males, the weak inguinal area is preferentially covered.

Keywords

Inguinal hernia Anatomy Myopectineal orifice Mesh procedure Prosthetic repair 

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  1. 1.Institute of Anatomy and Cell Biology, University Medical CenterJohannes Gutenberg-University MainzMainzGermany

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