Page 41 - World Journal of Laparoscopic Surgeons

WJOLS

Posterior Rectus Sheath

A B

Figs 4A and B: Dissection in posterior rectus canal showing incomplete PRS (long tendinous): (A) long tendinous incomplete PRS
(L-PRS) extending up to just short of pubic bone and pectineal ligament; (B) more clearly defined low arcuate line (arrow), which is seen
situated just above the pectineal ligament covered by corona mortis (c) after the transversalis fascia is dissected off; TF: Transversalis
fascia; RF: Posterior epimysium (rectusial fascia) of rectus abdominis muscle; S: Sign of lighthouse; P: Plastic working port

A B

Figs 5A and B: Dissection in posterior rectus canal showing complete PRS (whole tendinous): (A) A C-PRS, which is tendinous in
nature throughout and extending up to the pubic symphysis without formation of an arcuate line; S: Sign of lighthouse seen in the
depth; RF: Posterior epimysium (rectusial fascia) of rectus abdominis muscle

A B
Figs 6A and B: Dissection in posterior rectus canal showing complete PRS (partly thinned out): (A and B) a C-PRS which was
tendinous in its upper part with formation of a partial arcuate line (arrow), but which was continued down in a thinned-out membranous
fashion in its lower part (extending up to the pubic symphysis found on further dissection); S: Sign of lighthouse seen in the depth;
RF: Posterior epimysium (rectusial fascia) of rectus abdominis muscle; mRF: Medial part of the rectusial fascia, which was inadvertently
taken down along with the PRS during the telescopic dissection
World Journal of Laparoscopic Surgery, January-April 2018;11(1):12-24 15