Study Finds, Relevance of the Iliopectineal Fascia for Aceta
A Study was conducted to describe in detail the variability of the attachments of the iliopectineal fascia (IPF) and its relation to the external iliac vessels to inform surgical approaches and help prevent injury to the adjacent vascular structures.

The IPF was identified from the lateral and medial perspectives of the II and anterior intrapelvic approaches, respectively, and its anatomic characteristics were described.

Results:
--The IPF originates in the fascia of the psoas muscle, it has variable attachments in the pelvic brim, and it inserts in the medial surface of the iliac bone where it is continuous with the obturator internus fascia.

--2 variants were found in relation to the external iliac vessels.

--In one variant found in 4 cadavers, the IPF formed a sail-like structure that surrounds the external iliac vessels.

--In the other variant observed in 4 cadavers, the IPF overlaid the iliac fossa, under the external iliac vessels which laid free in the iliac fossa.

Conclusively, in order to avoid vascular injury and achieve proper exposure, the anatomic variants of the IPF's attachment to the pelvic brim and its variants in respect to the external iliac vessels must be taken into account when performing acetabular surgery.

Source: https://journals.lww.com/jorthotrauma/Abstract/2021/09000/The_Anatomic_Relevance_of_the_Iliopectineal_Fascia.14.aspx
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