Early experience with laparoscopic resections of islet cell tumors

doi:10.1016/S0039-6060(96)80054-7

Surgery

Volume 120, Issue 6, December 1996, Pages 1051-1054

https://doi.org/10.1016/S0039-6060(96)80054-7 Get rights and content

Background. Diagnostic laparoscopy and laparoscopic ultrasonography have been applied recently for diagnosis and localization of islet-cell tumors. A further step was taken by performing resection of these tumors with laparoscopic techniques.

Methods and Results. We studied a retrospective series of 12 patients operated on with laparoscopic techniques since January 1992. The seven female and five male patients had a mean age of 43 years. The mean tumor size was 3 cm. Thirty-six percent of the tumor site could not be identified before operation. Eight patients underwent planned laparoscopic distal pancreatectomy (five insulinomas, two gastrinomas, and one unknown origin), and four underwent planned laparoscopic enucleation (one insulinoma and three unknown origin). Of the eight distal procedures, three had conversions (one inability to localize the tumor and two metastatic gastrinomas). Average operating time was 4.5 hours, with an average hospital stay of 5 days. Of the four explorations for possible enucleation, one was performed and one was converted to a Whipple procedure for nesidioblastoma of the head of the pancreas. The other two had negative explorations. The successful enucleation of an insulinoma of the anterior body of the pancreas was performed in 3 hours, and the hospital stay was 4 days. No recurrence was seen in the enucleated or distal pancreatectomy group in follow-up (15 to 38 months).

Conclusions. Laparoscopic enucleation or resection of benign islet tumors results in a shorter hospital recovery and is a good alternative to open surgery.

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La pancreatectomía distal (PD) mínimamente invasiva (MIS) está actualmente bien establecida, ya sea mediante técnica laparoscópica (PDL) o robótica (PDR).
De 83 PD realizadas entre enero del 2018 y marzo del 2022, se realizaron 57 casos (68,7%) mediante MIS, 35 PDL y 22 PDR (da Vinci Xi). Se evalúa la experiencia de ambos procedimientos y el valor del abordaje robótico. Se analizan en detalle los casos de conversión.
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La PDMIS es un procedimiento seguro y factible en pacientes seleccionados. Una planificación quirúrgica y la implementación escalonada basada en la experiencia previa ayudan a afrontar procedimientos técnicamente exigentes. Se sugiere que la PDR podría ser el abordaje de elección en la pancreatectomía corporocaudal, no siendo inferior a la PDL.
Distal pancreatectomy (DP) is currently well established as a minimally invasive surgery (MIS) procedure, using either a laparoscopic (LDP) or robotic (RDP) approach.
Out of 83 DP performed between January 2018 and March 2022, 57 cases (68.7%) were performed using MIS: 35 LDP and 22 RDP (da Vinci Xi). We have assessed the experience with the 2 techniques and analyzed the value of the robotic approach. Cases of conversion have been examined in detail.
The mean operative times for LDP and RDP were 201.2 (SD 47.8) and 247.54 (SD 35.8) min, respectively (p=0,486). No differences were observed in length of hospital stay or conversion rate: 6 (5–34) vs. 5.6 (5–22) days, and 4 (11.4%) vs. 3 (13.6%) cases, respectively (p=0.126). The readmission rate was 3/35 patients (11.4%) treated with LDP and 6/22 (27.3%) cases of RDP (p=0.126).
There were no differences in morbidity (Dindo-Clavien ≥ III) between the 2 groups. Mortality was one case in the robotic group (a patient with early conversion due to vascular involvement). The rate of R0 resection was greater and statistically significant in the RDP group (77.1% vs. 90.9%) (P=,04).
Minimally invasive distal pancreatectomy (MIDP) is a safe and feasible procedure in selected patients. Surgical planning and stepwise implementation based on prior experience help surgeons successfully perform technically demanding procedures. RDP could be the approach of choice in distal pancreatectomy, and it is not inferior to LDP.
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Minimally invasive surgery is the optimal treatment for insulinoma. The present study aimed to compare short- and long-term outcomes of laparoscopic and robotic surgery for sporadic benign insulinoma.
A retrospective analysis of patients who underwent laparoscopic or robotic surgery for insulinoma at our center between September 2007 and December 2019 was conducted. The demographic, perioperative and postoperative follow-up results were compared between the laparoscopic and robotic groups.
A total of 85 patients were enrolled, including 36 with laparoscopic approach and 49 with robotic approach. Enucleation was the preferred surgical procedure. Fifty-nine patients (69.4%) underwent enucleation; among them, 26 and 33 patients underwent laparoscopic and robotic surgery, respectively. Robotic enucleation had a lower conversion rate to laparotomy (0 vs. 19.2%, P = 0.013), shorter operative time (102.0 vs. 145.5 min, P = 0.008) and shorter postoperative hospital stay (6.0 vs. 8.5 d, P = 0.002) than laparoscopic enucleation. There were no differences between the groups in terms of intraoperative blood loss, the rates of postoperative pancreatic fistula and complications. After a median follow-up of 65 months, two patients in the laparoscopic group developed a functional recurrence and none of the patients in the robotic group had a recurrence.
Robotic enucleation can reduce the conversion rate to laparotomy and shorten operative time, which might lead to a reduction in postoperative hospital stay.
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Spleen-preserving distal pancreatectomy is widely used to remove benign or low-grade malignant neoplasms located in the pancreatic body and tail. Both splenic vessels preserving (SVP-DP) and splenic vessels ligating (Warshaw technique [WT]) distal pancreatectomy are safe and effective methods but which technique is superior remains controversial. Thus, this study aimed to evaluate the clinical outcomes of patients who underwent both methods.
Major databases, including PubMed, Embase, Science Citation Index Expanded, and The Cochrane Library, were searched for studies comparing SVP-DP and the WT for spleen-preserving distal pancreatectomy up to December 2021. The perioperative and postoperative outcomes were compared between the SVP-DP and WT groups. Pooled odds ratios (ORs) and weighted mean differences (WMDs) with 95% confidence intervals (CIs) were calculated using fixed- or random-effects models.
Twenty retrospective studies with 2173 patients were analyzed. A total of 1467 (67.5%) patients underwent SVP-DP, while 706 (32.5%) patients underwent WT. Patients in the SVP-DP group had a significantly lower rate of splenic infarction (OR: 0.17; 95% CI, 0.11–0.25; P < 0.00001) and incidence of gastric varices (OR: 0.19; 95% CI, 0.11–0.32; P < 0.00001) compared to the patients in the WT group; furthermore, they had a shorter length of hospital stay (WMD: 0.71; 95% CI, −1.13 to −0.29; P = 0.0008). There were no significant differences between the two groups in terms of major complication, postoperative pancreatic fistula (B/C), reoperation, blood loss, or operation time.
Compared to WT, SVP-DP should be preferred to reduce splenic infarction and gastric varices, and WT may be more suitable for large tumors. Moreover, considering the shortcomings of retrospective study, a multicenter randomized controlled study with a large sample size should be conducted to verify our results.
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^†: Presented at the Seventeenth Annual Meeting of the American Association of Endocrine Surgeons, Napa, Calif., April 21–23, 1996.

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Early experience with laparoscopic resections of islet cell tumors†

Laparoscopic pylorus-preserving pancreatoduodenectomy

Surg Endosc

Laparoscopic duodenopancreatectomy

La Pancréatectomie Distale Par Laparoscopie Pour Insulinomes: Reunion des Endocrinologues de l'Universite de Montreal, Hopital Sacre-Coeur Montreal

Surgical experience with pancreatic islet-cell tumors

Arch Surg