Presacral fascia

The presacral fascia lines the anterior aspect of the sacrum, enclosing the sacral vessels and nerves. It continues anteriorly as the pelvic parietal fascia, covering the entire pelvic cavity.[1]

Presacral fascia
Details
Synonymsposterior part of pelvic parietal fascia
Identifiers
Latinfascia presacralis
TA98A04.5.03.018
TA22441
FMA76764
Anatomical terminology

The presacral fascia is limited postero-inferiorly, as it fuses with the mesorectal fascia, lying above the levator ani muscle, at the level of the anorectal junction.[2] These two fascias have been erroneously confused,[3] though they are in fact, separate anatomical entities. The colloquial term, among colo-rectal surgeons, for this inter-fascial plane, is known as the holy plane of dissection first coined by Bill Heald.[4] During rectal surgery and mesorectum excision, dissection along the avascular alveolar plane between these two fascias, facilitates a straightforward dissection and preserves the sacral vessels and hypogastric nerves.

Waldeyer's fascia (a.k.a. rectosacral fascia) originates from the presacral parietal fascia at the S2 to S4 level fusing with the rectal visceral fascia at the posterior aspect of the rectum. Waldeyer's fascia divides the retrorectal space into a superior and inferior compartments.[5][6]

Identification and preservation of the presacral fascia is of fundamental importance in preventing complications and reducing local recurrences of rectal cancer.[7] Hence attention to this anatomy is essential in contemporary rectal surgery.

History

The mesorectal fascia, also known as the fascia propria or the pelvic visceral fascia, has been originally described as the fascia recti in Waldeyer's publication, Das Becken. Fascia recti is also a term commonly used among French surgeons to describe the mesorectal fascia.[8] Confusingly, fascia recti is described in some anatomy books, referring to the fascia of the rectus abdominis muscle.

References
  1. Longo, Walter; Northover, John (2003-07-17). Reoperative Colon and Rectal Surgery. pp. 36–37. ISBN 978-1-84184-183-0.
  2. García-Armengol, J.; García-Botello, S.; Martinez-Soriano, F.; Roig, J. V.; Lledó, S. (2008). "Review of the anatomic concepts in relation to the retrorectal space and endopelvic fascia: Waldeyer's fascia and the rectosacral fascia". Colorectal Disease. 10 (3): 298–302. doi:10.1111/j.1463-1318.2007.01472.x. PMID 18257849. S2CID 25385980.
  3. Santoro, Giulio Aniello; Falco, Giuseppe Di (2006-03-13). Benign Anorectal Diseases: Diagnosis with Endoanal and Endorectal Ultrasound and New Treatment Options. pp. 71–72. ISBN 978-88-470-0336-1.
  4. Heald, R. J. (2018). "The 'Holy Plane' of Rectal Surgery". Journal of the Royal Society of Medicine. 81 (9): 503–508. doi:10.1177/014107688808100904. PMC 1291757. PMID 3184105.
  5. García-Armengol, J.; García-Botello, S.; Martinez-Soriano, F.; Roig, J. V.; Lledó, S. (March 2008). "Review of the anatomic concepts in relation to the retrorectal space and endopelvic fascia: Waldeyer's fascia and the rectosacral fascia". Colorectal Disease. 10 (3): 298–302. doi:10.1111/j.1463-1318.2007.01472.x. ISSN 1463-1318. PMID 18257849. S2CID 25385980.
  6. Jin, Zhi-ming; Peng, Jia-Yuan; Zhu, Qing-Chao; Yin, Lu (2011-10-11). "Waldeyer's fascia: anatomical location and relationship to neighboring fasciae in retrorectal space". Surgical and Radiologic Anatomy. 33 (10): 851–854. doi:10.1007/s00276-011-0887-6. ISSN 0930-1038. PMID 21986989. S2CID 4959248.
  7. MacFarlane, J.K.; Ryall, R.D.H.; Heald, R.J. (1993). "Mesorectal excision for rectal cancer". The Lancet. 341 (8843): 457–460. doi:10.1016/0140-6736(93)90207-w. PMID 8094488. S2CID 29476773.
  8. De Calan, L.; Gayet, B.; Bourlier, P.; Perniceni, T. (2004). "Cancer du rectum : Anatomie chirurgicale, préparation à l'intervention, installation du patient". Emc - Chirurgie. 1 (3): 275–292. doi:10.1016/j.emcchi.2004.03.002.
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