how to perform laparoscopic multi-port for lnd in em ca · 2020. 1. 30. · history of lps lnd •...
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How to performlaparoscopic multi-port for LND in EM ca
영남대학교산부인과구유진
2020.1.19.
제 3회대한부인종양학회 Gynecologic Cancer Surgery Symposium
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History of Lps LND
• 1987, the French GY oncologist Dr Daniel Dargent.− First to report endoscopic surgery in the GY oncologic field
by using retroperitoneal pelvicoscopy in performing PLNS in patients with Cx ca.
• 1992, Childers et al. and Nezhat et al.− First to report the efficacy of transperitoneal PALND for staging surgery of invasive
GY malignancies
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Transperitoneal vs. Extraperitoneal
• Transperitoneal approach− Greater working space− Familiar landmarks− Excellent access to the PLNs− Sometimes requires bowel mobilization.
• Extraperitoneal approach− Excellent exposure to the PALNs− Excellent exposure even in obese Pt. and Pt. with s/p abdo. op.− Decreased risk of direct bowel injury, and bowel adhesion formation
• No significant differences in the frequency of complications
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Trocar placements
for transperitoneal PALND for extraperitoneal PALND
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Peritoneal incision for Transperitoneal LND
Book. Surg Gynecol Oncol, 1st Ed, 1993, p.283
Transverse incision Longitudinal incision Circular incision
to Treitz’s fossafrom Treitz’s fossa to the cecum
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Target LNs in EM ca
Ann Surg Oncol (2014) 21:2755–27617
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Pelvic LND
Book. Atlas of Operative Surgical Oncology. 2017
• Most of PLNs lie anterior, medially, & posteriorly to the external & internal iliac vessels & ON.− A few nodes that lie lateral to these structures,
between the vessels & the pelvic sidewall
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Level of PALND
• b2: between the upper margin of the IMA and the bifurcation of the abdominal aorta
• b1: between the lower margin of the left renal v. and the upper margin of the IMA
b2
b1
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Level of PALND
• Level 3: IMA ~ Origin of the Rt ov v.− mean No. of IVC tributaries: 1
• Level 2: Aortic bifurcation ~Origin of the IMA− mean No. of IVC tributaries: 1.7
• Level 1: Area of the bifurcation of the vena cava− mean No. of IVC tributaries: 3
Am J Obstet Gynecol. 1998;179:1295e1297.10
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Level of LND
Level I• Cephalad: IIA• Caudal: Cloquet LN• Lateral: genito-femoral nerve• Posterior: Pre-rectal nodes and nodes
posterior to the obturator nerve. • includes nodes in the regions of the
internal and external iliac vessels, obturator fossa, pre-sciatic fossa of Marseilles and prerectal nodes.
Ann Surg Oncol (2014) 21:2755–276111
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Level of LND
Level II• Cephalad: aortic bifurcation• includes nodes in the regions of the
common iliac vein and artery, upper presciatic nodes, pre-sacral nodes and nodes in the region of the aortic bifurcation.
Ann Surg Oncol (2014) 21:2755–276112
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Level of LND
Level III• Cephalad: IMA• Lateral: bilateral ureters• includes the distal para-caval, pre-
caval, retro-caval, inter-aorto-caval, pre-aortic, retro-aortic and para-aortic nodes up to and including the IMA.
Ann Surg Oncol (2014) 21:2755–276113
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Level of LND
Level IV• Cephalad: Lt renal v. and Rt renal a.
along the undersurface of the 3rd part of duodenum
• Lateral: bilateral ureters• includes nodes in the proximal para-
caval, pre-caval, retro-caval, inter-aorto-caval, pre-aortic, retro-aortic and para-aortic tissue cephalad to the IMA.
Ann Surg Oncol (2014) 21:2755–276114
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LNM sites in EM ca
N=266
Ann Surg Oncol (2014) 21:2755–276115
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Vascular anomalies in PALND
• Prevalence: venous anomalies 0.1-43%, arterial anomalies 9-31%• m/c arterial anomaly: accessory renal a.
• 86 patients
Gynecologic Oncology 96 (2005) 278–282
Accessory lumbar v.
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Case (F/62)
• EM ca. endometrioid• BMI: 20.4 kg/m2
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10mm
10mm
5mm
5mm
5mm
5mm
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PALND
10mm
10mm
5mm
5mm
5mm
5mm
Operator1st assist
2nd assist
Scope
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PLND
10mm
10mm
5mm
5mm
5mm
5mm
Operator1st assist
2nd assist
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Outcomes
• OP time: 3h 50m• No. LN: 57 (PALN 27, PLN 37)• OPD #6: Drain 1개가지고퇴원
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Further discussion
• Where is the best position for operator?
• Which energy device is the best?
• Do coagulants increase the risk of infected lymphocele?
• What is the best techniques for surgical exposure during PALND?
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• Suturing (port closure 2.5mm, straight long needle)• Fan retractor with five fingers
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Complications of PLND
• Intra-OP− Obturator nerve injury: 0-5.1%− Ureteral injury: <1% (d/t misapplication of a clamp, ligation with a suture)− Vascular injury: rare (mainly from IIV & obturator venous plexus)
• Post-OP− Lymphedema: 1.5-28%− Lymphocele: overall incidence 20%, symptomatic 6%− DVT± PTE: 0-8%− Lymphorrhea from the vagina− Lymphatic fistula, chylous ascites: uncommon
Book. Atlas of Operative Surgical Oncology. 201726
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(psoas minor tendon)
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Learning curve
• 10 cases, necessary for each approach to become proficient• Extraperitoneal LND has a steep learning curve similar to that for transperitoneal LND.
Gynecol Oncol. 2003;91:139e148
Book. Atlas of Operative Surgical Oncology. 201728
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경청해주셔서감사합니다.
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