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Surgical treatment of pancreatic cancer: Currently debated topics on morbidity, mortality, and lymphadenectomy. Surg Oncol 2022; 45:101858. [DOI: 10.1016/j.suronc.2022.101858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 09/07/2022] [Accepted: 09/26/2022] [Indexed: 11/21/2022]
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Wang J, Lyu SC, Zhu JQ, Li XL, Lang R, He Q. Extended lymphadenectomy benefits patients with borderline resectable pancreatic head cancer-a single-center retrospective study. Gland Surg 2021; 10:2910-2924. [PMID: 34804879 DOI: 10.21037/gs-21-201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 09/09/2021] [Indexed: 11/06/2022]
Abstract
Background Whether standard lymphadenectomy or extended lymphadenectomy should be performed is still under debate during pancreaticoduodenectomy (PD). We aimed to compare their morbidity and mortality rates among patients with pancreatic head cancer (PHC). Methods In this retrospective study, a total of 322 patients were enrolled. According to the scope of intraoperative lymph node dissection, patients were divided into extended lymphadenectomy group (n=120) and standard lymphadenectomy group (n=202). Based on the resectability of the tumor, there were 198 cases of resectable PHC and 124 cases of borderline resectable PHC, respectively, in which further stratified analysis was carried out according to the extent of lymph node dissection. Results All patients completed the operation successfully, with a perioperative morbidity rate of 27.9% and mortality rate of 0.9%. As for the overall patients, patients in the extended lymphadenectomy group had higher neutrophil-to-lymphocyte ratio (NLR), longer operation time, more intraoperative blood loss, lymph node dissection and patients with borderline resectable pancreatic head cancer (BRPHC) (P<0.05). The 1-, 2- and 3-year overall survival rates of patients with extended lymphadenectomy and standard lymphadenectomy were 71.9%, 50.6%, 30.0% and 70.0%, 32.9%, 21.5%, respectively (P=0.068). With regards to patients with BRPHC, the number of lymph node dissection in the extended lymphadenectomy group was more (P<0.05), and the 1-, 2- and 3-year overall survival rates of patients with extended lymphadenectomy and standard lymphadenectomy were 60.7%, 43.3%, 27.4% and 43.2%, 17.7%, 17.7%, respectively (P=0.007). Conclusions Patients with BRPHC tended to have vast lymph node metastasis. Extended lymphadenectomy can improve their long-term survival.
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Affiliation(s)
- Jing Wang
- Department of Hepatobiliary and Pancreaticosplenic Surgery, Beijing Organ Transplant Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Shao-Cheng Lyu
- Department of Hepatobiliary and Pancreaticosplenic Surgery, Beijing Organ Transplant Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Ji-Qiao Zhu
- Department of Hepatobiliary and Pancreaticosplenic Surgery, Beijing Organ Transplant Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Xian-Liang Li
- Department of Hepatobiliary and Pancreaticosplenic Surgery, Beijing Organ Transplant Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Ren Lang
- Department of Hepatobiliary and Pancreaticosplenic Surgery, Beijing Organ Transplant Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Qiang He
- Department of Hepatobiliary and Pancreaticosplenic Surgery, Beijing Organ Transplant Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
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Karunakaran M, Barreto SG. Surgery for pancreatic cancer: current controversies and challenges. Future Oncol 2021; 17:5135-5162. [PMID: 34747183 DOI: 10.2217/fon-2021-0533] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Two areas that remain the focus of improvement in pancreatic cancer include high post-operative morbidity and inability to uniformly translate surgical success into long-term survival. This narrative review addresses specific aspects of pancreatic cancer surgery, including neoadjuvant therapy, vascular resections, extended pancreatectomy, extent of lymphadenectomy and current status of minimally invasive surgery. R0 resection confers longer disease-free survival and overall survival. Vascular and adjacent organ resections should be undertaken after neoadjuvant therapy, only if R0 resection can be ensured based on high-quality preoperative imaging, and that too, with acceptable post-operative morbidity. Extended lymphadenectomy does not offer any advantage over standard lymphadenectomy. Although minimally invasive distal pancreatectomies offers some short-term benefits over open distal pancreatectomy, safety remains a concern with minimally invasive pancreatoduodenectomy. Strict adherence to principles and judicious utilization of surgery within a multimodality framework is the way forward.
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Affiliation(s)
- Monish Karunakaran
- Department of Gastrointestinal Surgery, Gastrointestinal Oncology & Bariatric Surgery, Medanta Institute of Digestive & Hepatobiliary Sciences, Medanta-The Medicity, Gurugram 122001, India.,Department of Liver Transplantation & Regenerative Medicine, Medanta-The Medicity, Gurugram 122001, India
| | - Savio George Barreto
- College of Medicine & Public Health, Flinders University, South Australia, Australia.,Division of Surgery & Perioperative Medicine, Flinders Medical Center, Bedford Park, Adelaide, South Australia, Australia
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Shiozaki H, Shirai Y, Suka M, Hamura R, Horiuchi T, Yasuda J, Furukawa K, Onda S, Gocho T, Ikegami T. Practical significance of pancreatectomy with lymphadenectomy around the superior mesenteric artery for pancreatic cancer: comparison of prognosis after adjusting for major prognostic factors. Langenbecks Arch Surg 2021; 406:703-711. [PMID: 33830337 DOI: 10.1007/s00423-021-02166-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 03/31/2021] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Although pancreatectomy with lymph node (LN) and nerve plexus dissection has usually been performed for pancreatic cancer, recent randomized controlled trials have questioned its survival benefits. However, superior mesenteric artery (SMA) LN dissection has still been included in standard treatment guidelines. METHODS A total of 94 patients who underwent pancreaticoduodenectomy for resectable pancreatic cancer without LN enlargement around the SMA on imaging were identified between 2008 and 2017. Disease-free survival (DFS), overall survival (OS), and complications were compared between those with LN and hemicircumferential nerve plexus dissection around the SMA (SMA ly+) and those without thorough LN and nerve plexus dissection around the SMA (SMA ly-) after adjusting for major prognostic factors. RESULTS A total of 78 and 16 patients with SMA ly+ and SMA ly- were identified, respectively. Our data demonstrated no difference in DFS and OS rates between both groups (P = 0.18 and 0.83, respectively). Patients with SMA ly+ had significantly more complications, particularly severe diarrhea, compared to those with SMA ly- (P = 0.001). CONCLUSION LN and nerve plexus dissection around the SMA did not prolong survival and significantly increased the frequency of severe diarrhea, suggesting that performing in all cases carries less practical significance.
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Affiliation(s)
- Hironori Shiozaki
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan.
| | - Yoshihiro Shirai
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Machi Suka
- Department of Public Health and Environmental Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Ryoga Hamura
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Takashi Horiuchi
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Jungo Yasuda
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Kenei Furukawa
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Shinji Onda
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Takeshi Gocho
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Toru Ikegami
- Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo, 105-8461, Japan
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Staerkle RF, Vuille-Dit-Bille RN, Soll C, Troller R, Samra J, Puhan MA, Breitenstein S. Extended lymph node resection versus standard resection for pancreatic and periampullary adenocarcinoma. Cochrane Database Syst Rev 2021; 1:CD011490. [PMID: 33471373 PMCID: PMC8094380 DOI: 10.1002/14651858.cd011490.pub2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND Pancreatic and periampullary adenocarcinomas account for some of the most aggressive malignancies, and the leading causes of cancer-related mortalities. Partial pancreaticoduodenectomy (PD) with negative resection margins is the only potentially curative therapy. The high prevalence of lymph node metastases has led to the hypothesis that wider excision with the removal of more lymphatic tissue could result in an improvement of survival, and higher rates of negative resection margins. OBJECTIVES To compare overall survival following standard (SLA) versus extended lymph lymphadenectomy (ELA) for pancreatic head and periampullary adenocarcinoma. We also compared secondary outcomes, such as morbidity, mortality, and tumour involvement of the resection margins between the two procedures. SEARCH METHODS We searched CENTRAL, MEDLINE, PubMed, and Embase from 1973 to September 2020; we applied no language restrictions. SELECTION CRITERIA Randomised controlled trials (RCT) comparing PD with SLA versus PD with ELA, including participants with pancreatic head and periampullary adenocarcinoma. DATA COLLECTION AND ANALYSIS Two review authors independently screened references and extracted data from study reports. We calculated pooled risk ratios (RR) for most binary outcomes except for postoperative mortality, for which we estimated a Peto odds ratio (Peto OR), and mean differences (MD) for continuous outcomes. We used a fixed-effect model in the absence of substantial heterogeneity (I² < 25%), and a random-effects model in cases of substantial heterogeneity (I² > 25%). Two review authors independently assessed risk of bias, and we used GRADE to assess the quality of the evidence for important outcomes. MAIN RESULTS We included seven studies with 843 participants (421 ELA and 422 SLA). All seven studies included Kaplan-Meier curves for overall survival. There was little or no difference in survival between groups (log hazard ratio (log HR) 0.12, 95% confidence interval (CI) -3.06 to 3.31; P = 0.94; seven studies, 843 participants; very low-quality evidence). There was little or no difference in postoperative mortality between the groups (Peto odds ratio (OR) 1.20, 95% CI 0.51 to 2.80; seven studies, 843 participants; low-quality evidence). Operating time was probably longer for ELA (mean difference (MD) 50.13 minutes, 95% CI 19.19 to 81.06 minutes; five studies, 670 participants; moderate-quality evidence). There was substantial heterogeneity between the studies (I² = 88%; P < 0.00001). There may have been more blood loss during ELA (MD 137.43 mL, 95% CI 11.55 to 263.30 mL; two studies, 463 participants; very low-quality evidence). There was substantial heterogeneity between the studies (I² = 81%, P = 0.02). There may have been more lymph nodes retrieved during ELA (MD 11.09 nodes, 95% CI 7.16 to 15.02; five studies, 670 participants; moderate-quality evidence). There was substantial heterogeneity between the studies (I² = 81%, P < 0.00001). There was little or no difference in the incidence of positive resection margins between groups (RR 0.81, 95% CI 0.58 to 1.13; six studies, 783 participants; very low-quality evidence). AUTHORS' CONCLUSIONS There is no evidence of an impact on survival with extended versus standard lymph node resection. However, the operating time may have been longer and blood loss greater in the extended resection group. In conclusion, current evidence neither supports nor refutes the effect of extended lymph lymphadenectomy in people with adenocarcinoma of the head of the pancreas.
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Affiliation(s)
- Ralph F Staerkle
- Visceral Surgery, Hirslanden Klinik St. Anna, Luzern, Switzerland
- University Basel, Basel, Switzerland
| | - Raphael Nicolas Vuille-Dit-Bille
- Department of Visceral and Thoracic Surgery, Cantonal Hospital of Winterthur, Winterthur, Switzerland
- Department of Pediatric Surgery, Children's University Hospital, Basel, Switzerland
| | - Christopher Soll
- Visceral Surgery, Hirslanden Klinik St. Anna, Luzern, Switzerland
| | - Rebekka Troller
- Department of Visceral and Thoracic Surgery, Cantonal Hospital of Winterthur, Winterthur, Switzerland
| | - Jaswinder Samra
- Gastrointestinal Surgery, Royal North Shore Hospital, St. Leonards, Australia
| | - Milo A Puhan
- Epidemiology, Biostatistics and Prevention Institute, University of Zurich, Zurich, Switzerland
| | - Stefan Breitenstein
- Department of Visceral and Thoracic Surgery, Cantonal Hospital of Winterthur, Winterthur, Switzerland
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Tanaka K, Nakamura T, Asano T, Nakanishi Y, Noji T, Tsuchikawa T, Okamura K, Shichinohe T, Hirano S. Pancreatic body and tail cancer and favorable metastatic lymph node behavior on the left edge of the aorta. Pancreatology 2020; 20:1451-1457. [PMID: 32868183 DOI: 10.1016/j.pan.2020.08.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 08/03/2020] [Accepted: 08/19/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Lymph node (LN) metastasis in pancreatic body-tail cancer is a poor prognostic factor and the optimal LN dissection area for distal pancreatectomy (DP) remains unclear. Lymphatic flow from the tumors is thought to depend on the tumor sites. We examined LN metastasis frequency based on tumor site and recurrent patterns post-DP. METHODS With a retrospective, single institutional study, we examined 100 patients who underwent DP as an upfront surgery for pancreatic cancer over 17 years. Tumor sites were classified as tumor confined to pancreatic body (and neck) (Pb(n)); and pancreatic tail (Pt). We compared metastatic LN and recurrence patterns based on tumor site. The median overall survival (OS) and disease-free survival (DFS) were analyzed. RESULTS LN metastasis occurred in 59/100 (59.0%), with 23 and 25 tumors located in the Pb(n), and Pt, respectively. Those with the tumor in Pt had metastases to #10, #11d/p, and #18 LN mainly. However, the patients with the Pb(n) tumor had metastases to #8a/p, #11p, and #14p/d LN. There was no metastasis to #10 and #11d LN. The OS and DFS were 34 and 15 months, respectively. No significant difference was found in the OS, DFS, and recurrence patterns based on tumor sites. CONCLUSION Differences in metastatic LN sites were observed in pancreatic body-tail cancer when tumors were confined to the left or right of the left aortic edge. Although it is necessary to validate this finding with a large-scale study, organ-preserving DP might be a treatment option for selected patients depending on the tumor sites.
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Affiliation(s)
- Kimitaka Tanaka
- Department of Gastroenterological Surgery II, Hokkaido University, Faculty of Medicine, Sapporo, Hokkaido, Japan
| | - Toru Nakamura
- Department of Gastroenterological Surgery II, Hokkaido University, Faculty of Medicine, Sapporo, Hokkaido, Japan.
| | - Toshimichi Asano
- Department of Gastroenterological Surgery II, Hokkaido University, Faculty of Medicine, Sapporo, Hokkaido, Japan
| | - Yoshitsugu Nakanishi
- Department of Gastroenterological Surgery II, Hokkaido University, Faculty of Medicine, Sapporo, Hokkaido, Japan
| | - Takehiro Noji
- Department of Gastroenterological Surgery II, Hokkaido University, Faculty of Medicine, Sapporo, Hokkaido, Japan
| | - Takahiro Tsuchikawa
- Department of Gastroenterological Surgery II, Hokkaido University, Faculty of Medicine, Sapporo, Hokkaido, Japan
| | - Keisuke Okamura
- Department of Gastroenterological Surgery II, Hokkaido University, Faculty of Medicine, Sapporo, Hokkaido, Japan
| | - Toshiaki Shichinohe
- Department of Gastroenterological Surgery II, Hokkaido University, Faculty of Medicine, Sapporo, Hokkaido, Japan
| | - Satoshi Hirano
- Department of Gastroenterological Surgery II, Hokkaido University, Faculty of Medicine, Sapporo, Hokkaido, Japan
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Kotb A, Hajibandeh S, Hajibandeh S, Satyadas T. Meta-analysis and trial sequential analysis of randomised controlled trials comparing standard versus extended lymphadenectomy in pancreatoduodenectomy for adenocarcinoma of the head of pancreas. Langenbecks Arch Surg 2020; 406:547-561. [PMID: 32978673 DOI: 10.1007/s00423-020-01999-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 09/22/2020] [Indexed: 11/24/2022]
Abstract
PURPOSE To compare baseline demographics, operative, and survival outcomes of randomised controlled trials (RCTs) comparing standard lymphadenectomy versus extended lymphadenectomy in patients undergoing pancreaticoduodenectomy for pancreatic head cancer METHODS: In compliance with PRISMA standards we performed a meta-analysis of baseline demographics, operative, and survival outcomes of RCTs comparing standard lymphadenectomy versus extended lymphadenectomy in patients undergoing pancreaticoduodenectomy for pancreatic head cancer. The uncertainties associated with varying follow-up periods among the included studies were resolved by analysis of time-to-event outcomes. Moreover, we performed trial sequential analysis (TSA) to determine whether the available evidence is conclusive and to assess the risk of type 1 or type 2 errors. RESULTS Overall, 724 patients from 5 RCTs were included. The included populations were comparable in terms of baseline characteristics. There was no difference between standard and extended lymphadenectomy in terms of pancreatic fistula (OR 0.64, P = 0.11), delayed gastric emptying (OR 0.68, P = 0.40), bile leak (OR 0.33, P = 0.06), wound infection (OR 0.53, P = 0.06), abscess (OR 0.83, P = 0.63), total complications (OR 0.73, P = 0.27), postoperative mortality (OR 1.01, P = 0.85), and overall survival (HR 1.10, P = 0.46). TSA suggested that meta-analysis was conclusive with low risk of type 2 error. The results remained consistent through subgroup analyses based on lymph node positive or negative status and studies from the West and East. CONCLUSIONS Robust evidence from randomised controlled trials (Level 1) suggests no difference in postoperative and survival outcomes between standard and extended lymphadenectomy in patients undergoing pancreaticoduodenectomy for pancreatic head cancer. The findings were consistent in patients with positive and negative lymph node status and in studies from the West or East.
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Affiliation(s)
- Ahmed Kotb
- Department of General Surgery, Glan Clwyd Hospital, Rhyl, Denbighshire, UK
| | - Shahab Hajibandeh
- Department of General Surgery, Glan Clwyd Hospital, Rhyl, Denbighshire, UK.
| | - Shahin Hajibandeh
- Department of General Surgery, Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | - Thomas Satyadas
- Department of Hepatobiliary and Pancreatic Surgery, Manchester Royal Infirmary Hospital, Manchester, UK
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Role of lymphadenectomy in resectable pancreatic cancer. Langenbecks Arch Surg 2020; 405:889-902. [PMID: 32902706 DOI: 10.1007/s00423-020-01980-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 08/31/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Pancreatic cancer (PC) remains one of the most devastating malignant diseases, predicted to become the second leading cause of cancer-related death by 2030. Despite advances in surgical techniques and in systemic therapy, the 5-year relative survival remains a grim 9% for all stages combined. The extent of lymphadenectomy has been discussed intensively for decades, given that even in early stages of PC, lymph node (LN) metastasis can be detected in approximately 80%. PURPOSE The primary objective of this review was to provide an overview of the current literature evaluating the role of lymphadenectomy in resected PC. For this, we evaluated randomized controlled studies (RCTs) assessing the impact of extent of lymphadenectomy on OS and studies evaluating the prognostic impact of anatomical site of LN metastasis and the impact of the number of resected LNs on OS. CONCLUSIONS Lymphadenectomy plays an essential part in the multimodal treatment algorithm of PC and is an additional therapeutic tool to increase the chance for surgical radicality and to ensure correct staging for optimal oncological therapy. Based on the literature from the last decades, standard lymphadenectomy with resection of at least ≥ 15 LNs is associated with an acceptable postoperative complication risk and should be recommended to obtain local radicality and accurate staging of the disease. Although radical surgery including appropriate lymphadenectomy of regional LNs remains the only chance for long-term tumor control, future studies specifically assessing the impact of neoadjuvant therapy on extraregional LNs are warranted.
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The Role of Log Odds of Positive Lymph Nodes in Predicting the Survival after Resection for Ampullary Adenocarcinoma. Pathol Oncol Res 2019; 26:467-473. [PMID: 30693420 DOI: 10.1007/s12253-019-00584-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 01/15/2019] [Indexed: 12/13/2022]
Abstract
Lymph node metastasis is a important factor on survival in ampullary adenocarcinoma. Log odds of positive lymph nodes (LODDS) is a novel prognostic indicator on lymph node status. We aimed to evaluate the prognostic impact of LODDS for the patients with ampullary adenocarcinoma who underwent R0 pancreaticoduodenectomy. The study includes 42 patients.. LODDS was calculated as "log (number of metastatic lymph nodes+0.5)/(number of total harvested nodes - metastatic lymph nodes+0.5)". LODDS subgroups were created based on their LODDS value: LODDS1(LODDS≤ - 1.5), LODDS2(-1.5 < LODDS≤ - 1.0), LODDS3(-1.0 < LODDS≤ - 0.5), LODDS4(LODDS> - 0.5). The mean survival time was 72.7 ± 7.82 months. Survival rates for 1, 3 and 5 years were 93%, 65% and 45%, respectively. The mean LODDS value was -1.0466 ± 0.51. LODDS subgroups show strong correlation with Overall Survival(OS). The mean survival were 114.8, 81.8, 56.6 and 25.6 months in LODDS subgroups 1, 2, 3 and 4, respectively (Log-rank; p = 0.002), in addition LOODS values shows correlation with perineural invasion and micro vascular invasion (p = 0.015 and p = 0.001 respectively). Findings in our patient group support the hypothesis that LODDS subgroups correlate with OS, and that value of LODDS has considerable role in prediction of OS as well.
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Jang JY, Kang JS, Han Y, Heo JS, Choi SH, Choi DW, Park SJ, Han SS, Yoon DS, Park JS, Yu HC, Kang KJ, Kim SG, Lee H, Kwon W, Yoon YS, Han HS, Kim SW. Long-term outcomes and recurrence patterns of standard versus extended pancreatectomy for pancreatic head cancer: a multicenter prospective randomized controlled study. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2018; 24:426-433. [PMID: 28514000 DOI: 10.1002/jhbp.465] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
BACKGROUND Our previous randomized controlled trial revealed no difference in 2-year overall survival (OS) between extended and standard resection for pancreatic adenocarcinoma. The present study evaluated the 5-year OS and recurrence patterns according to the extent of pancreatectomy. METHODS Between 2006 and 2009, 169 consecutive patients were prospectively enrolled and randomized to standard (n = 83) or extended resection (n = 86) groups to compare 5-year OS rate, long-term recurrence patterns and factors associated with long-term survival. RESULTS The surgical R0 rate was similar between the standard and extended groups (85.5 vs. 90.7%, P = 0.300). Five-year OS (18.4 vs. 14.4%, P = 0.388), 5-year disease-free survival (14.8 vs. 14.0%, P = 0.531), and overall recurrence rates (74.7 vs. 69.9%, P = 0.497) were not significantly different between the two groups, although the incidence of peritoneal seeding was higher in the extended group (25 vs. 8.1%, P = 0.014). CONCLUSIONS Extended pancreatectomy does not have better short-term and long-term survival outcomes, and shows similar R0 rates and overall recurrence rates compared with standard pancreatectomy. Extended pancreatectomy does not have to be performed routinely for all cases of resectable pancreatic adenocarcinoma, especially considering its associated increased morbidity shown in our previous study.
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Affiliation(s)
- Jin-Young Jang
- Department of Surgery and Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Jae Seung Kang
- Department of Surgery and Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Youngmin Han
- Department of Surgery and Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Jin Seok Heo
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seong Ho Choi
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Dong Wook Choi
- Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sang Jae Park
- Center for Liver Cancer, National Cancer Center, Goyang, Korea
| | - Sung-Sik Han
- Center for Liver Cancer, National Cancer Center, Goyang, Korea
| | - Dong Sup Yoon
- Pancreatobiliary Cancer Clinic, Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Joon Seong Park
- Pancreatobiliary Cancer Clinic, Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Hee Chul Yu
- Department of Surgery, Chonbuk National University Medical School, Jeonju, Korea
| | - Koo Jeong Kang
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, Keimyung University Dongsan Medical Center, Daegu, Korea
| | - Sang Geol Kim
- Department of Surgery, Kyungpook National University College of Medicine, Daegu, Korea
| | - Hongeun Lee
- Department of Surgery and Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Wooil Kwon
- Department of Surgery and Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Yoo-Seok Yoon
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Ho-Seong Han
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Sun-Whe Kim
- Department of Surgery and Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
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Fossati V, Cattaneo GM, Zerbi A, Galli L, Bordogna G, Reni M, Parolini D, Carlucci M, Bissi A, Staudacher C. The Role of Intraoperative Therapy by Electron Beam and Combination of Adjuvant Chemotherapy and External Radiotherapy in Carcinoma of the Pancreas. TUMORI JOURNAL 2018; 81:23-31. [PMID: 7754537 DOI: 10.1177/030089169508100106] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aims and background In the treatment of pancreatic carcinomas, one modality is intraoperative radiotherapy (IORT). A study was carried out to assess the feasibility of IORT alone or in a multimodality approach with postoperative adjuvant chemotherapy and external radiotherapy and to compare local control and survival of patients. Another objective of this retrospective study was to verify prognostic factors in resected patients treated with IORT. Methods From January 1985 through September 1992, 54 adenocarcinomas of the pancreas (unresectable and resected patients) were treated with IORT by electron beam at the San Raffaele Hospital and then analyzed. Comparison was also carried out between IORT-treated resected patients and a non-randomized control group of resected patients treated without IORT in the same period. Results In unresectable patients treated by laparotomy bypass and IORT, overall median survival was 6 months and 8 months in non-metastatic patients. Relief of severe pain present in 14 patients was observed in 85% within 12 days of IORT. As regards resected patients, the most important finding was that significantly better local control resulted from IORT. In fact, overall, local relapses were 25% in the IORT group and 55.8% in the non-IORT group (control group); instead, survival of the IORT group was not significantly longer than that of the control group. From a statistical analysis of resected patients treated with IORT and performed on prognostic factors on the basis of available data, survival was significantly influenced by tumor pathologic grading and diameter; postoperative adjuvant therapy was not a significant prognosis factor. Conclusions IORT has a role in local control of unresectable pancreatic carcinomas and in control of resultant severe pain. In resected patients, IORT is effective in decreasing local recurrences but has little impact on survival. To obtain more satisfactory results, new and more effective adjuvant therapies and better abdominal prophylaxis should be tested.
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Affiliation(s)
- V Fossati
- Radiation-Oncology Department, Istituto Nazionale Tumori, Milan, Italy
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Goess R, Friess H. A look at the progress of treating pancreatic cancer over the past 20 years. Expert Rev Anticancer Ther 2018; 18:295-304. [PMID: 29334794 DOI: 10.1080/14737140.2018.1428093] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Pancreatic cancer is known to be the deadliest of all common cancers. Despite all efforts in pancreatic cancer treatment, the five-year survival rates at diagnosis over the past 20 years have only increased from 5% to 8%. Assuming that pancreatic cancer is going to become the second most frequent cause of cancer related death in the next 20 years, we are all encouraged to treat patients in clinical trials to gain improvements in this devastating disease. Areas covered: This review will provide a summary of pancreatic cancer treatment over the last 20 years, starting with the pivotal study in 1997 which showed the superiority of gemcitabine over 5-FU in advanced pancreatic cancer and is marked as the beginning of a new era in pancreatic cancer treatment. This review will also focus on improvements in different areas of treatment, including pancreatic surgery, adjuvant treatment, neoadjuvant therapy and palliative therapy. Expert commentary: The treatment of pancreatic cancer has changed substantially in the last 20 years compared to almost no improvements in the decades before. This provides hope that more effective treatment options will become available in the near future. Particularly, new concepts such as neoadjuvant therapy in resectable and borderline-resectable tumors may potentially shift treatment strategies.
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Affiliation(s)
- Ruediger Goess
- a Department of Surgery, School of Medicine , Technical University of Munich , Munich , Germany
| | - Helmut Friess
- a Department of Surgery, School of Medicine , Technical University of Munich , Munich , Germany
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The More the Better-Lower Rate of Stage Migration and Better Survival in Patients With Retrieval of 20 or More Regional Lymph Nodes in Pancreatic Cancer: A Population-Based Propensity Score Matched and Trend SEER Analysis. Pancreas 2017; 46:648-657. [PMID: 28196023 DOI: 10.1097/mpa.0000000000000784] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE The aim of this study was to assess the influence of regional lymph node (RLN) retrieval on stage migration and survival in pancreatic cancer. METHODS A total of 7685 stage I and II pancreatic cancer patients were identified in the Surveillance, Epidemiology, and End Results database in 2004-2011. The impact of RLN was assessed using Cox regression, propensity score methods, and joinpoint regression. RESULTS In 3079 patients, 1 to 10 RLNs were retrieved; in 2799 patients, 11 to 19 RLNs, and in 1807 patients, 20+ RLNs. The rate of node-positive pancreatic cancer increased with the number of retrieved RLN. This trend continued beyond 10 retrieved RLN (P < 0.001). In unadjusted analysis, retrieval of RLN did not influence survival (P = 0.178). When adjusting for significant bias in staging variables (P < 0.001), retrieval of 20+ RLNs compared to 11 to 19 RLNs was associated with an increased survival in node-negative (hazard ratio, 0.78; 95% confidence interval, 0.62-0.98; P = 0.033) and node-positive cancer (hazard ratio, 0.83; 95% confidence interval, 0.74-0.93; P = 0.002). CONCLUSIONS This population-based propensity score-adjusted investigation demonstrated that more retrieved RLNs in pancreatic cancer decreases the rate of stage migration and improves the oncological outcome in node-negative and positive cancer. Contradictory results may be explained by a bias in the cancer characteristics for a different extent of RLN retrieval.
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14
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Surgical resection of pancreatic head cancer: What is the optimal extent of surgery? Cancer Lett 2016; 382:259-265. [DOI: 10.1016/j.canlet.2016.01.042] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 12/24/2015] [Accepted: 01/18/2016] [Indexed: 01/17/2023]
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15
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Pancreatic Cancer: 80 Years of Surgery-Percentage and Repetitions. HPB SURGERY : A WORLD JOURNAL OF HEPATIC, PANCREATIC AND BILIARY SURGERY 2016; 2016:6839687. [PMID: 27847403 PMCID: PMC5099466 DOI: 10.1155/2016/6839687] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 06/01/2016] [Indexed: 12/18/2022]
Abstract
Objective. The incidence of pancreatic cancer is estimated to be 48,960 in 2015 in the US and projected to become the second and third leading causes of cancer-related deaths by 2030. The mean costs in 2015 may be assumed to be $79,800 per patient and for each resection $164,100. Attempt is made to evaluate the results over the last 80 years, the number of survivors, and the overall survival percentage. Methods. Altogether 1230 papers have been found which deal with resections and reveal survival information. Only 621 of these report 5-year survivors. Reservation about surgery was first expressed in 1964 and five-year survival of nonresected survivors is well documented. Results. The survival percentage depends not only on the number of survivors but also on the subset from which it is calculated. Since the 1980s the papers have mainly reported the number of resections and survival as actuarial percentages, with or without the actual number of survivors being reported. The actuarial percentage is on average 2.75 higher. Detailed information on the original group (TN), number of resections, and actual number of survivors is reported in only 10.6% of the papers. Repetition occurs when the patients from a certain year are reported several times from the same institution or include survivors from many institutions or countries. Each 5-year survivor may be reported several times. Conclusion. Assuming a 10% resection rate and correcting for repetitions and the life table percentage the overall actual survival rate is hardly more than 0.3%.
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Lahat G, Lubezky N, Gerstenhaber F, Nizri E, Gysi M, Rozenek M, Goichman Y, Nachmany I, Nakache R, Wolf I, Klausner JM. Number of evaluated lymph nodes and positive lymph nodes, lymph node ratio, and log odds evaluation in early-stage pancreatic ductal adenocarcinoma: numerology or valid indicators of patient outcome? World J Surg Oncol 2016; 14:254. [PMID: 27687517 PMCID: PMC5041551 DOI: 10.1186/s12957-016-0983-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Accepted: 08/13/2016] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND We evaluated the prognostic significance and universal validity of the total number of evaluated lymph nodes (ELN), number of positive lymph nodes (PLN), lymph node ratio (LNR), and log odds of positive lymph nodes (LODDS) in a relatively large and homogenous cohort of surgically treated pancreatic ductal adenocarcinoma (PDAC) patients. METHODS Prospectively accrued data were retrospectively analyzed for 282 PDAC patients who had pancreaticoduodenectomy (PD) at our institution. Long-term survival was analyzed according to the ELN, PLN, LNR, and LODDS. RESULTS Of these patients, 168 patients (59.5 %) had LN metastasis (N1). Mean ELN and PLN were 13.5 and 1.6, respectively. LN positivity correlated with a greater number of evaluated lymph nodes; positive lymph nodes were identified in 61.4 % of the patients with ELN ≥ 13 compared with 44.9 % of the patients with ELN < 13 (p = 0.014). Median overall survival (OS) and 5-year OS rate were higher in N0 than in N1 patients, 22.4 vs. 18.7 months and 35 vs. 11 %, respectively (p = 0.008). Mean LNR was 0.12; 91 patients (54.1 %) had LNR < 0.3. Among the N1 patients, median OS was comparable in those with LNR ≥ 0.3 vs. LNR < 0.3 (16.7 vs. 14.1 months, p = 0.950). Neither LODDS nor various ELN and PLN cutoff values provided more discriminative information within the group of N1 patients. CONCLUSIONS Our data confirms that lymph node positivity strongly reflects PDAC biology and thus patient outcome. While a higher number of evaluated lymph nodes may provide a more accurate nodal staging, it does not have any prognostic value among N1 patients. Similarly, PLN, LNR, and LODDS had limited prognostic relevance.
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Affiliation(s)
- G Lahat
- Department of Surgery, Tel Aviv Sourasky Medical Center, 6th Weitzman St., Tel Aviv, Israel. .,Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel.
| | - N Lubezky
- Department of Surgery, Tel Aviv Sourasky Medical Center, 6th Weitzman St., Tel Aviv, Israel.,Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel
| | - F Gerstenhaber
- Department of Surgery, Tel Aviv Sourasky Medical Center, 6th Weitzman St., Tel Aviv, Israel.,Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel
| | - E Nizri
- Department of Surgery, Tel Aviv Sourasky Medical Center, 6th Weitzman St., Tel Aviv, Israel.,Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel
| | - M Gysi
- Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel
| | - M Rozenek
- Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel
| | - Y Goichman
- Department of Surgery, Tel Aviv Sourasky Medical Center, 6th Weitzman St., Tel Aviv, Israel.,Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel
| | - I Nachmany
- Department of Surgery, Tel Aviv Sourasky Medical Center, 6th Weitzman St., Tel Aviv, Israel.,Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel
| | - R Nakache
- Department of Surgery, Tel Aviv Sourasky Medical Center, 6th Weitzman St., Tel Aviv, Israel.,Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel
| | - I Wolf
- Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel.,Department of Oncology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - J M Klausner
- Department of Surgery, Tel Aviv Sourasky Medical Center, 6th Weitzman St., Tel Aviv, Israel.,Sackler Faculty of Medicine, The Nicholas and Elizabeth Cathedra of Experimental Surgery, Tel Aviv University, Tel Aviv, Israel
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Singh T, Chaudhary A. Improving Survival of Pancreatic Cancer. What Have We Learnt? Indian J Surg 2016; 77:436-45. [PMID: 26722209 DOI: 10.1007/s12262-015-1368-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Accepted: 09/30/2015] [Indexed: 10/22/2022] Open
Abstract
Pancreatic adenocarcinoma still ranks high among cancer-related deaths worldwide. In spite of substantial strides in preoperative staging, surgery, perioperative care, and adjuvant treatment, the survival still remains dismal. A number of patient-, disease-, and surgeon-related factors play a role in deciding the eventual outcome of the patient. The aim of this commentary is to review the current knowledge of various factors and the recent advances that impact the survival of patients with pancreatic adenocarcinoma. A search of scientific literature using Embase and MEDLINE, for the years 1985-2015, was carried out for search terms "pancreatic cancer" and "survival." Further search was based on the various specific prognostic factors that contribute towards survival of patients with pancreatic cancer found in the literature. Most of the studies used for this review include those that deal with pancreatic head cancers, some include patients with pancreatic cancers in all locations while very few included patients with tumors of body and tail only. In spite of significant developments in pre- and perioperative management, increased rates of margin-negative resections, and use of adjuvant treatment, the survival rates of pancreatic cancer patients remains poor. A paradigm shift with more effective adjuvant regimen and genetic interventions may help change the outcomes of patients with pancreatic cancer.
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Affiliation(s)
- Tanveer Singh
- Division of GI Surgery, GI Oncology, Minimal Access and Bariatric Surgery, Medanta, The Medicity Hospital, Gurgaon, 122001 India
| | - Adarsh Chaudhary
- Division of GI Surgery, GI Oncology, Minimal Access and Bariatric Surgery, Medanta, The Medicity Hospital, Gurgaon, 122001 India
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Fink DM, Steele MM, Hollingsworth MA. The lymphatic system and pancreatic cancer. Cancer Lett 2015; 381:217-36. [PMID: 26742462 DOI: 10.1016/j.canlet.2015.11.048] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 11/16/2015] [Accepted: 11/30/2015] [Indexed: 02/06/2023]
Abstract
This review summarizes current knowledge of the biology, pathology and clinical understanding of lymphatic invasion and metastasis in pancreatic cancer. We discuss the clinical and biological consequences of lymphatic invasion and metastasis, including paraneoplastic effects on immune responses and consider the possible benefit of therapies to treat tumors that are localized to lymphatics. A review of current techniques and methods to study interactions between tumors and lymphatics is presented.
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Affiliation(s)
- Darci M Fink
- Eppley Institute, University of Nebraska Medical Center, Omaha, NE 68198-5950, USA
| | - Maria M Steele
- Eppley Institute, University of Nebraska Medical Center, Omaha, NE 68198-5950, USA
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Extended versus standard lymphadenectomy in patients undergoing pancreaticoduodenectomy for periampullary adenocarcinoma: a prospective randomized single center trial. Eur Surg 2015. [DOI: 10.1007/s10353-015-0371-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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20
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Dasari BVM, Pasquali S, Vohra RS, Smith AM, Taylor MA, Sutcliffe RP, Muiesan P, Roberts KJ, Isaac J, Mirza DF. Extended Versus Standard Lymphadenectomy for Pancreatic Head Cancer: Meta-Analysis of Randomized Controlled Trials. J Gastrointest Surg 2015; 19:1725-32. [PMID: 26055135 DOI: 10.1007/s11605-015-2859-3] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Accepted: 05/11/2015] [Indexed: 02/07/2023]
Abstract
INTRODUCTION The evidence for improved prognostic assessment and long-term survival for extended pancreatoduodenectomy (EPD) compared to standard pancreatoduodenectomy (SPD) in patients with carcinoma of the head of the pancreas has not been considered from only randomized controlled trials (RCTs). METHODS The aim of this study was to conduct a systematic review and meta-analysis of the outcomes comparing SPD and EPD in RCTs. Searches were performed on MEDLINE, Embase and Cochrane databases using MeSH keyword combinations: 'pancreatic cancer', 'pancreaticoduodenectomy', 'extended', 'randomized' and 'lymphadenectomy'. RCTs published up to 2014 were included. Overall post-operative survival, morbidity, 30-day mortality and length of hospital stay were the outcomes assessed. RESULTS Five eligible RCTs with 546 participants were included (EPD = 276 and SPD = 270). EPD was associated with a significantly higher number of excised lymph nodes (LNs) compared to SPD (mean difference = 15.73, 95% confidence interval (CI) = 9.41-22.04; P < 0.00001; I(2) = 88%). LN metastasis was detected in 58-68 and 55-70% of patients who had EPD and SPD, respectively. EPD did not improve overall survival (hazard ratio (HR) = 0.88, 95% CI = 0.75-1.03; P = 0.11) but did worsen post-operative morbidity compared to SPD (risk ratio (RR) = 1.23; 95% CI = 1.01-1.50; P = 0.004; I(2) = 9%). There were no differences in the 30-day mortality (RR = 0.81; 95% CI = 0.32-2.06; P = 0.66; I(2) = 0%) or length of hospital stay (mean difference = 1.39, 95% CI = -2.31 to 5.09; P = 0.46; I(2) = 67%). CONCLUSION SPD is associated with reduced morbidity, but equivalent long-term benefits compared to patients undergoing EPD.
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Affiliation(s)
- Bobby V M Dasari
- Department of HPB and Liver Transplantation Surgery, Queen Elizabeth Hospital, Birmingham, B15 2WB, UK,
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Sun J, Yang Y, Wang X, Yu Z, Zhang T, Song J, Zhao H, Wen J, Du Y, Lau WY, Zhang Y. Meta-analysis of the efficacies of extended and standard pancreatoduodenectomy for ductal adenocarcinoma of the head of the pancreas. World J Surg 2015; 38:2708-15. [PMID: 24912627 DOI: 10.1007/s00268-014-2633-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND The purpose of the present study was to evaluate the efficacy of extended pancreatoduodenectomy (EPD) and standard pancreatoduodenectomy (SPD) for ductal adenocarcinoma of the head of the pancreas via meta-analysis. METHODS Relevant articles (published between 1995 and 2012) were compiled from online data sources. A total of nine studies satisfied the selection criteria, including a total of 973 patients (478 in the SPD group and 495 in the EPD group). Evaluation parameters included 1-, 3-, and 5-year survival, as well as mortality, morbidity, and specific morbidity outcomes. RESULTS Meta-analysis revealed (1) differences in morbidity (Odds ratio [OR] = 1.740; 95 % confidence interval [CI], 0.840-3.600; P = 0.140), mortality (OR = 0.890; 95 % CI, 0.560-1.400; P = 0.620), 1-year overall survival (OS) rate (OR = 1.20; 95 % CI, 0.490-2.930; P = 0.69), 3-year OS rate (OR = 0.770; 95 % CI, 0.460-1.280; P = 0.190), and 5-year OS rate (OR = 1.12; 95 % CI, 0.690-1.810; P = 0.560) were not significant between EPD and SPD. (2) For bile leak (OR = 2.640; 95 % CI, 1.040-6.700; P = 0.040), pancreatic leak (OR = 1.740; 95 % CI, 1.040-2.91; P = 0.030), delayed gastric emptying (OR = 2.090; 95 % CI, 1.240-3.520; P = 0.006), and lymphatic fistula (OR = 6.120; 95 % CI, 1.06-35.320; P = 0.040) differences between EPD and SPD were significant, whereas other specific morbidities were not significantly different. CONCLUSIONS Extended pancreatoduodenectomy does not improve 1-, 3-, 5-year OS rates compared to SPD and there is a trend toward increased bile leak, pancreatic leak, delayed gastric emptying, and lymphatic fistula after EPD.
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Affiliation(s)
- Jingfeng Sun
- Department of Hepatobiliary & Pancreatic Surgery, Affiliated Jiangsu Cancer Hospital of Nanjing Medical University, Nanjing, 210009, People's Republic of China
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Pedrazzoli S. Extent of lymphadenectomy to associate with pancreaticoduodenectomy in patients with pancreatic head cancer for better tumor staging. Cancer Treat Rev 2015; 41:577-87. [PMID: 26045226 DOI: 10.1016/j.ctrv.2015.04.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 04/28/2015] [Accepted: 04/29/2015] [Indexed: 01/14/2023]
Abstract
OBJECTIVES To define the extent of lymphadenectomy to associate with surgery for pancreatic head cancer. BACKGROUND Pancreaticoduodenectomy with extended lymphadenectomy fails to prolong patient survival. METHODS Prospective randomized and nonrandomized controlled trials (RCTs and NRCTs), meta-analyses, retrospective reviews, consensus conferences and pre- and intraoperative diagnoses of lymph node (LN) metastases were retrieved. Standard and extended lymphadenectomies were reviewed, including their effects on postoperative complications, mortality rate and long-term survival. The minimum total number of LN examined (TNLE) for adequate tumor staging, and the incidence of metastasis to each LN station were also considered. A pros and cons analysis was performed on the removal of each LN station. RESULTS Eleven retrospective studies (2514 patients), five prospective NRCTs (545 patients), and five prospective RCTs (586 patients) described different lymphadenectomies, which obtained similar long-term results. Five meta-analyses showed they did not influence long-term survival. However, N status is an important component of tumor staging. The recommended minimum TNLE is 15. The percent incidence of metastasis to each LN station was calculated considering at least 385 and up to 3725 patients. Preoperative imaging and intraoperative exploration frequently fail to identify metastatic nodes. A pros and cons analysis suggests that lymph node status is better established removing the following LN stations: 6, 8a-p, 12a-b-c, 13a-b, 14a-b-c-d, 16b1, 17a-b. Metastasis to 16b1 LNs significantly worsens prognosis. Their removal and frozen section examination, before proceeding with resection, may contraindicate resection. CONCLUSION A standard lymphadenectomy demands an adequate TNLE and removal of the LN stations metastasizing more frequently, without increasing the surgical risk.
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Abstract
Neither extended surgery nor extended indication for surgery has improved survival in patients with pancreatic cancer. According to autopsy studies, presumably 90% are metastatic. The only cure is complete removal of the tumor at an early stage before it becomes a systemic disease or becomes invasive. Early detection and screening of individuals at risk is currently under way. This article reviews the evidence and methods for screening, either familial or sporadic. Indication for early-stage surgery and precursors are discussed. Surgeons should be familiar with screening because it may provide patients with a chance for cure by surgical resection.
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Sánchez Cabús S, Fernández-Cruz L. [Surgery for pancreatic cancer: Evidence-based surgical strategies]. Cir Esp 2015; 93:423-35. [PMID: 25957457 DOI: 10.1016/j.ciresp.2015.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Accepted: 03/27/2015] [Indexed: 11/29/2022]
Abstract
Pancreatic cancer surgery represents a challenge for surgeons due to its technical complexity, the potential complications that may appear, and ultimately because of its poor survival. The aim of this article is to summarize the scientific evidence regarding the surgical treatment of pancreatic cancer in order to help surgeons in the decision making process in the management of these patients .Here we will review such fundamental issues as the need for a biopsy before surgery, the type of pancreatic anastomosis leading to better results, and the need for placement of drains after pancreatic surgery will be discussed.
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Staerkle RF, Soll C, Vuille-dit-Bille RN, Samra J, Puhan MA, Breitenstein S. Extended lymph node resection versus standard resection for pancreatic and peri-ampullary adenocarcinoma. THE COCHRANE DATABASE OF SYSTEMATIC REVIEWS 2015. [DOI: 10.1002/14651858.cd011490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ralph F Staerkle
- Kantonsspital Winterthur; Department of Surgery; Visceral and Thoracic Surgery Brauerstrasse 15 Winterthur Switzerland 8401
| | - Christopher Soll
- Kantonsspital Winterthur; Department of Surgery; Visceral and Thoracic Surgery Brauerstrasse 15 Winterthur Switzerland 8401
| | - Raphael N Vuille-dit-Bille
- Kantonsspital Winterthur; Department of Surgery; Visceral and Thoracic Surgery Brauerstrasse 15 Winterthur Switzerland 8401
| | - Jaswinder Samra
- Royal North Shore Hospital; Gastrointestinal Surgery; Reserve Road St. Leonards NSW Australia 2065
| | - Milo A Puhan
- University of Zurich; Epidemiology, Biostatistics and Prevention Institute; Hirschengraben 84 Zurich Switzerland 8001
| | - Stefan Breitenstein
- Kantonsspital Winterthur; Department of Surgery; Visceral and Thoracic Surgery Brauerstrasse 15 Winterthur Switzerland 8401
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Svoronos C, Tsoulfas G, Katsourakis A, Noussios G, Chatzitheoklitos E, Marakis NG. Role of extended lymphadenectomy in the treatment of pancreatic head adenocarcinoma: review and meta-analysis. ANZ J Surg 2014; 84:706-11. [PMID: 24165093 DOI: 10.1111/ans.12423] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/17/2013] [Indexed: 02/05/2023]
Abstract
BACKGROUND Extended lymph node dissection has been established as the method of choice in the treatment of many digestive malignancies, but its role in the treatment of adenocarcinoma of the pancreas remains controversial. OBJECTIVES The goal is to evaluate the role of extended lymph node dissection in pancreatic head adenocarcinoma and to review how it affects survival, morbidity, mortality and post-operative quality of life. METHODS A computerized search was made of the Medline database from January 1973 to October 2012. Fifteen non-duplicated studies, four randomized and 11 non-randomized, comparing extended radical pancreaticoduodenectomy (ERP) and standard pancreaticoduodenectomy were reviewed. Five-year overall survivals were compared using the MetaXL software in eight of these studies, where the necessary data were available. RESULTS The 5-year survival after ERP ranged from 6 to 33.4% and the local recurrence incidence from 8 to 36.1%, while the incidence of severe diarrhoea, one of the main complications, ranged from 10.8 to 42.4%. Meta-analysis showed that there was no significant difference in the 5-year overall survival (95% confidence interval (CI): -0.21-0.20, Z=0.07, P=0.94) for randomized control trials, (95% CI: -0.51-0.02, Z=1.85, P=0.07) for non-randomized control trials and (95% CI: -0.26-0.06, Z=1.20, P=0.23) for all the studies. CONCLUSIONS Although ERP is a safe procedure, it did not offer a significant improvement in survival, while at the same time leading to an increased incidence of severe diarrhoea for at least 1 year, thus leaving the standard pancreaticoduodenectomy as the surgical method of choice for the treatment of pancreatic head adenocarcinoma.
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Affiliation(s)
- Christos Svoronos
- Department of Surgery, General Hospital of Thessaloniki, Agios Dimitrios, Thessaloniki, Greece
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Cesmebasi A, Malefant J, Patel SD, Plessis MD, Renna S, Tubbs RS, Loukas M. The surgical anatomy of the lymphatic system of the pancreas. Clin Anat 2014; 28:527-37. [PMID: 25220721 DOI: 10.1002/ca.22461] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Revised: 07/22/2014] [Accepted: 08/16/2014] [Indexed: 12/12/2022]
Affiliation(s)
- Alper Cesmebasi
- Departments of Neurologic and Orthopedic Surgery; Mayo Clinic; Rochester Minnesota
- Department of Anatomical Sciences; School of Medicine, St George's University; Grenada West Indies
| | - Jason Malefant
- Department of Anatomical Sciences; School of Medicine, St George's University; Grenada West Indies
| | - Swetal D. Patel
- Department of Anatomical Sciences; School of Medicine, St George's University; Grenada West Indies
- Department of Medicine; University of Nevada SOM; Las Vegas Nevada
| | - Maira Du Plessis
- Department of Anatomical Sciences; School of Medicine, St George's University; Grenada West Indies
| | - Sarah Renna
- Department of Anatomical Sciences; School of Medicine, St George's University; Grenada West Indies
| | - R. Shane Tubbs
- Department of Anatomical Sciences; School of Medicine, St George's University; Grenada West Indies
- Section of Pediatric Neurosurgery; Children's Hospital Birmingham Alabama
| | - Marios Loukas
- Department of Anatomical Sciences; School of Medicine, St George's University; Grenada West Indies
- Department of Anatomy; Medical School Varmia and Mazuria; Olsztyn Poland
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de Virgilio C, Frank PN, Grigorian A. Definition of a standard lymphadenectomy in surgery for pancreatic ductal adenocarcinoma: a consensus statement by the International Study Group on Pancreatic Surgery (ISGPS). Surgery 2014; 156:591-600. [PMID: 25061003 PMCID: PMC7120678 DOI: 10.1016/j.surg.2014.06.016] [Citation(s) in RCA: 427] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Accepted: 06/19/2014] [Indexed: 02/06/2023]
Abstract
BACKGROUND The lymph node (Ln) status of patients with resectable pancreatic ductal adenocarcinoma is an important predictor of survival. The survival benefit of extended lymphadenectomy during pancreatectomy is, however, disputed, and there is no true definition of the optimal extent of the lymphadenectomy. The aim of this study was to formulate a definition for standard lymphadenectomy during pancreatectomy. METHODS During a consensus meeting of the International Study Group on Pancreatic Surgery, pancreatic surgeons formulated a consensus statement based on available literature and their experience. RESULTS The nomenclature of the Japanese Pancreas Society was accepted by all participants. Extended lymphadenectomy during pancreatoduodenectomy with resection of Ln's along the left side of the superior mesenteric artery (SMA) and around the celiac trunk, splenic artery, or left gastric artery showed no survival benefit compared with a standard lymphadenectomy. No level I evidence was available on prognostic impact of positive para-aortic Ln's. Consensus was reached on selectively removing suspected Ln's outside the resection area for frozen section. No consensus was reached on continuing or terminating resection in cases where these nodes were positive. CONCLUSION Extended lymphadenectomy cannot be recommended. Standard lymphadenectomy for pancreatoduodenectomy should strive to resect Ln stations no. 5, 6, 8a, 12b1, 12b2, 12c, 13a, 13b, 14a, 14b, 17a, and 17b. For cancers of the body and tail of the pancreas, removal of stations 10, 11, and 18 is standard. Furthermore, lymphadenectomy is important for adequate nodal staging. Both pancreatic resection in relatively fit patients or nonresectional palliative treatment were accepted as acceptable treatment in cases of positive Ln's outside the resection plane. This consensus statement could serve as a guide for surgeons and researchers in future directives and new clinical studies.
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Affiliation(s)
| | - Paul N. Frank
- General Surgery, Harbor-UCLA Medical Center, Torrance, California USA
| | - Areg Grigorian
- Department of Surgery, University of California, Irvine, Orange, California USA
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A prospective randomized controlled study comparing outcomes of standard resection and extended resection, including dissection of the nerve plexus and various lymph nodes, in patients with pancreatic head cancer. Ann Surg 2014; 259:656-64. [PMID: 24368638 DOI: 10.1097/sla.0000000000000384] [Citation(s) in RCA: 161] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
OBJECTIVE To prospectively evaluate the survival benefit of dissection of the nerve plexus and lymphadenectomy in patients with pancreatic head cancer. BACKGROUND Despite randomized controlled trials on the extent of surgery in pancreatic cancer, attempts have been made to perform more extended resections. METHODS A total of 244 patients were enrolled; of these, 200 were randomized to undergo standard resection or extended resection, with the latter including the dissection of additional lymph nodes and the right half of the nerve plexus around the superior mesenteric artery and celiac axis. We evaluated 167 patients from 7 centers who fulfilled all of the required criteria. RESULT Operation time was longer and estimated blood loss was higher in the extended resection group than in the standard resection group, but the R0 resection rate was comparable. The mean number of lymph nodes retrieved per patient was higher in the extended resection group than in the standard resection group (33.7 vs 17.3; P < 0.001). The morbidity rate was slightly higher in the extended resection group than in the standard resection group. Two patients in the extended resection group died in hospital. Median survival after R0 resection was similar in the extended resection and standard resection groups (18.0 vs 19.0 months; P = 0.239) regardless of lymph node metastasis. Adjuvant chemoradiation had a positive impact on overall survival. CONCLUSIONS This study suggests that extended lymphadenectomy with dissection of the nerve plexus does not provide a significant survival benefit compared with standard resection in pancreatic head cancer. Standard resection can be performed safely and efficiently, without negatively affecting oncologic efficacy or long-term survival, when compared with extended pancreaticoduodenal resection. (NCT00679913)?
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Ke K, Chen W, Chen Y. Standard and extended lymphadenectomy for adenocarcinoma of the pancreatic head: a meta-analysis and systematic review. J Gastroenterol Hepatol 2014; 29:453-62. [PMID: 24164704 DOI: 10.1111/jgh.12393] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/05/2013] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIM Although some retrospective studies have recommended that pancreaticoduodenectomy with extended lymphadenectomy might improve the survival of patients with adenocarcinoma of the head of the pancreas, the procedure remains controversial. METHODS Using PubMed, EMBASE, and The Cochrane Library databases, a systematic literature review was performed to identify randomized, controlled trials comparing standard and extended lymphadenectomy in pancreaticoduodenectomy for adenocarcinoma of the head of the pancreas. RESULTS Four trials including 423 patients satisfied the inclusion criteria. Extended lymphadenectomy failed to improve the overall survival of patients with adenocarcinoma of the head of the pancreas (hazard ratio 1.09; 95% confidence interval 0.84-1.41; P = 0.51). Additionally, postoperative mortality and morbidity were comparable between the standard and extended groups, while extended lymphadenectomy was associated with poor quality of life within 1 year after the operation. CONCLUSIONS Extended lymphadenectomy do not benefit overall survival. Considering the poor quality of life associated with extended lymphadenectomy, pancreaticoduodenectomy with standard lymphadenectomy is suitable for patients with adenocarcinoma of the head of the pancreas.
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Affiliation(s)
- Kun Ke
- Department of Hepatobiliary Surgery, Union Hospital, Fujian Medical University, Fuzhou, China; Fujian Institute of Hepatobiliary Surgery, Union Hospital, Fujian Medical University, Fuzhou, China
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Xu X, Zhang H, Zhou P, Chen L. Meta-analysis of the efficacy of pancreatoduodenectomy with extended lymphadenectomy in the treatment of pancreatic cancer. World J Surg Oncol 2013; 11:311. [PMID: 24321394 PMCID: PMC4029310 DOI: 10.1186/1477-7819-11-311] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Accepted: 10/18/2013] [Indexed: 01/13/2023] Open
Abstract
Background The purpose of this meta-analysis is to compare the efficacy of pancreatoduodenectomy (PD) with extended lymphadenectomy (PD/ELND) versus standard PD in the treatment of pancreatic cancer, with the hope of providing evidence for clinical practice. Methods The retrieval of relevant literature published before September 2012 was carried out on PubMed, Medline, Embase, and Cochrane Central Register of Controlled Trials (CENTRAL) by computer. Information was extracted according to Cochrane systematic review methods, and analyzed using software Stata 11.0. Results Five prospective randomized controlled trials (RCTs) were included in this meta-analysis of 555 cases (278 in the PD/ELND group and 277 in the standard PD group). The PD/ELND group showed a significantly lower 3-year survival rate (relative risk (RR) = 1.46, 95% confidence interval (CI) 1.03 to approximately 2.06, P = 0.034), prolonged operative time (weighted mean difference WMD = −1.03, 95% CI −1.96 to approximately −0.10, P = 0.029) and higher incidence of postoperative complications (RR = 0.56, 95% CI 0.42 to approximately 0.77, P = 0.000) by comparing with standard PD group. Besides, no significant difference was observed in the 1-year survival rate (RR = 0.87, 95% CI 0.60 to approximately 1.25, P = 0.69), 5-year survival rate (RR = 1.04, 95% CI 0.68 to approximately 1.58, P = 0.854), postoperative mortality (RR = 1.14, 95% CI 0.43 to approximately 3.00, P = 0.789), length of stay (WMD = −0.32, 95% CI −2.57 to approximately 1.94 , P = 0.784) and the amount of blood transfusions (WMD = −0.14, 95% CI −0.36 to approximately 0.08, P = 0.213). Conclusions PD/ELND does not have an advantage over standard PD in the survival rate for patients with pancreatic cancer, but does increase operative time and incidences of postoperative complications.
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Affiliation(s)
- Xinbao Xu
- Department of Hepatobiliary Surgery, Airforce General Hospital of Chinese People's Liberation Army, Beijing 100142, China.
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An evaluation of neoadjuvant chemoradiotherapy for patients with resectable pancreatic ductal adenocarcinoma. HPB SURGERY : A WORLD JOURNAL OF HEPATIC, PANCREATIC AND BILIARY SURGERY 2013; 2013:298726. [PMID: 23864756 PMCID: PMC3705743 DOI: 10.1155/2013/298726] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Revised: 05/25/2013] [Accepted: 06/02/2013] [Indexed: 01/13/2023]
Abstract
Aims. The aim of this study is to compare our results of preoperative chemotherapy followed by pancreaticoduodenectomy (PD) with those of surgery alone in patients with localized resectable pancreatic ductal adenocarcinoma (PDAC). Methods. Outcome data for 112 patients of resectable PDAC who received preoperative chemoradiotherapy followed by PD (group I) between January 2004 and April 2010 were retrospectively analyzed and were compared with selected 120 patients who underwent PD alone (group II) in the same period. Results. Patients in group I had an incidence of locoregional recurrence of 17.1% compared to 30.8% in group II (P = 0.03). There were no statistically significant differences in postoperative morbidity (27.7% versus 30.8%) and mortality (2.67% versus 3.33%). The 1-, 2-, and 3-year survival rates were estimated at 82.1%, 54%, and 28%, respectively, with NCRT and 65.8%, 29.1%, and 10% without (P = 0.006). Nevertheless, preoperative chemotherapy did not reduce the 1-, 3-, and 5-year disease-free survival rates, which were estimated at 58%, 36.6%, and 12.5% with NCRT and 51.7%, 18.3%, and 7.5% without (P = 0.058). Conclusions. The treatment of NCRT followed by PD in patients with PDAC has a significantly lower rate of locoregional recurrence and a longer overall survival than those with surgery alone.
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Valsangkar NP, Bush DM, Michaelson JS, Ferrone CR, Wargo JA, Lillemoe KD, Castillo CFD, Warshaw AL, Thayer SP. N0/N1, PNL, or LNR? The effect of lymph node number on accurate survival prediction in pancreatic ductal adenocarcinoma. J Gastrointest Surg 2013; 17:257-66. [PMID: 23229885 PMCID: PMC3806050 DOI: 10.1007/s11605-012-1974-7] [Citation(s) in RCA: 107] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Accepted: 07/17/2012] [Indexed: 01/31/2023]
Abstract
INTRODUCTION We evaluated the prognostic accuracy of LN variables (N0/N1), numbers of positive lymph nodes (PLN), and lymph node ratio (LNR) in the context of the total number of examined lymph nodes (ELN). METHODS Patients from SEER and a single institution (MGH) were reviewed and survival analyses performed in subgroups based on numbers of ELN to calculate excess risk of death (hazard ratio, HR). RESULTS In SEER and MGH, higher numbers of ELN improved the overall survival for N0 patients. The prognostic significance (N0/N1) and PLN were too variable as the importance of a single PLN depended on the total number of LN dissected. LNR consistently correlated with survival once a certain number of lymph nodes were dissected (≥13 in SEER and ≥17 in the MGH dataset). CONCLUSIONS Better survival for N0 patients with increasing ELN likely represents improved staging. PLN have some predictive value but the ELN strongly influence their impact on survival, suggesting the need for a ratio-based classification. LNR strongly correlates with outcome provided that a certain number of lymph nodes is evaluated, suggesting that the prognostic accuracy of any LN variable depends on the total number of ELN.
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Affiliation(s)
- Nakul P. Valsangkar
- Department of Surgery and Andrew L. Warshaw, M.D., Institute for Pancreatic Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Devon M. Bush
- Laboratory for Quantitative Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - James S. Michaelson
- Laboratory for Quantitative Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Cristina R. Ferrone
- Department of Surgery and Andrew L. Warshaw, M.D., Institute for Pancreatic Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Jennifer A. Wargo
- Department of Surgery and Andrew L. Warshaw, M.D., Institute for Pancreatic Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Keith D. Lillemoe
- Department of Surgery and Andrew L. Warshaw, M.D., Institute for Pancreatic Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Carlos Fernández-del Castillo
- Department of Surgery and Andrew L. Warshaw, M.D., Institute for Pancreatic Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Andrew L. Warshaw
- Department of Surgery and Andrew L. Warshaw, M.D., Institute for Pancreatic Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Sarah P. Thayer
- Department of Surgery and Andrew L. Warshaw, M.D., Institute for Pancreatic Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA. Pancreatic Biology Laboratory, Department of Surgery, Massachusetts General Hospital, 15 Parkman St., WACC 460, Boston, MA 02114, USA
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Nimura Y, Nagino M, Takao S, Takada T, Miyazaki K, Kawarada Y, Miyagawa S, Yamaguchi A, Ishiyama S, Takeda Y, Sakoda K, Kinoshita T, Yasui K, Shimada H, Katoh H. Standard versus extended lymphadenectomy in radical pancreatoduodenectomy for ductal adenocarcinoma of the head of the pancreas: long-term results of a Japanese multicenter randomized controlled trial. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2012; 19:230-41. [PMID: 22038501 DOI: 10.1007/s00534-011-0466-6] [Citation(s) in RCA: 185] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND The value of pancreatoduodenectomy (PD) with extended lymphadenectomy for pancreatic cancer has been evaluated by many retrospective studies and 3 randomized controlled trials (RCT). However, the protocols used and the results found in the 3 RCTs were diverse. Therefore, a multicenter RCT was proposed in 1998 to evaluate the primary end point of long-term survival and the secondary end points of morbidity, mortality and quality of life of patients undergoing standard versus extended lymphadenectomy in radical PD for pancreatic cancer. METHODS From March 2000 to May 2003, 112 patients with potentially curable pancreatic head cancer were enrolled and intraoperatively randomized to a standard or extended lymphadenectomy group. No resected patients received any adjuvant treatments. RESULTS A hundred and one eligible patients were analyzed. Demographic and histopathological characteristics of the two groups were similar. The mean operating time, intraoperative blood loss and number of retrieved lymph nodes were greater in the extended group, but the other operative results were comparable. CONCLUSIONS Although this multicenter RCT was conducted in a strict setting, extended lymphadenectomy in radical PD did not benefit long-term survival in patients with resectable pancreatic head cancer and led to levels of morbidity, mortality and quality of life comparable to those found after standard lymphadenectomy.
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Affiliation(s)
- Yuji Nimura
- The First Department of Surgery, Nagoya University Hospital, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.
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Hirono S, Tani M, Kawai M, Okada KI, Miyazawa M, Shimizu A, Uchiyama K, Yamaue H. Identification of the lymphatic drainage pathways from the pancreatic head guided by indocyanine green fluorescence imaging during pancreaticoduodenectomy. Dig Surg 2012; 29:132-9. [PMID: 22538463 DOI: 10.1159/000337306] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2011] [Accepted: 02/13/2012] [Indexed: 12/16/2022]
Abstract
AIMS We identified the lymphatic drainage pathways from the pancreatic head guided by indocyanine green (ICG) fluorescence imaging to analyze optimal lymphadectomy for pancreatic cancer. METHODS The lymphatic pathways in 20 patients undergoing pancreaticoduodenectomy were analyzed. We injected ICG into the parenchyma in the anterior (n = 10) or posterior surface (n = 10) of the pancreas head and observed the intraoperative lymphatic flows by ICG fluorescence imaging. RESULTS The seven main lymphatic drainage pathways were identified: (1) along the anterior or posterior pancreaticoduodenal arcade, (2) running obliquely down behind the superior mesenteric vein (SMV), (3) reaching the left side of the superior mesenteric artery (SMA), (4) running longitudinally upward between the SMV and SMA, (5) along the middle colic artery toward the transverse colon, (6) reaching the paraaortic (PA) region, and (7) reaching the hepatoduodenal ligament. The lymphatic pathway reaching the left side of the SMA was observed in 4 patients (20%), while that reaching the PA region in 17 patients (85%). The mean time to reach around the SMA was longer than that to reach the PA region. CONCLUSIONS We found that several lymphatic drainage routes were observed from the pancreatic head, suggesting that a lymphadectomy around the SMA might have a similar oncological impact as that of the PA region.
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Affiliation(s)
- Seiko Hirono
- Second Department of Surgery, Wakayama Medical University School of Medicine, Wakayama, Japan
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Mornex F, Hatime M, Touch S, Elmorabit B, Pigne G, Enachescu C, Diaz O, Elkhoti Y. Radiotherapy of the pancreas: state of the art in 2012. Recent Results Cancer Res 2012; 196:89-103. [PMID: 23129368 DOI: 10.1007/978-3-642-31629-6_6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Affiliation(s)
- F Mornex
- Radiation Oncology Department, Centre Hospitalier Lyon Sud, Université Claude Bernard, Lyon, France.
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Role of extended surgery for pancreatic cancer: critical review of the four major RCTs comparing standard and extended surgery. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2011; 18:785-91. [PMID: 21837405 DOI: 10.1007/s00534-011-0432-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Pancreatic ductal carcinoma is one of the most dismal malignancies in the gastrointestinal system. Despite the development of several adjuvant therapeutic options, surgical treatment is still the only procedure that can completely cure this disease. Since pancreatic cancer easily extends to the adjacent tissues or develops distant metastasis, there has been argument as to whether we should perform extended surgery in order to widely eradicate peripancreatic tissue. After the report from Japanese surgeons that showed a survival benefit of the extended surgery for the invasive ductal carcinoma of the pancreas in the late 1980s, many Japanese surgeons applied the extended surgery for pancreatic cancer. However, the major problems of these studies were the retrospective and non-randomized nature of the study design. Thereafter, randomized controlled trials (RCT) comparing a standard and extended resection for the pancreatic cancer have been conducted first in Europe, second and third in the USA, and, subsequently, fourth in Japan. Unexpectedly, the survival benefit of the aggressive surgery has been refuted in all of the four major RCTs. This fact implied to us that surgery alone is not enough and that another adjuvant therapeutic option is necessary in order to improve the patients' survival of pancreatic cancer.
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Sharma C, Eltawil KM, Renfrew PD, Walsh MJ, Molinari M. Advances in diagnosis, treatment and palliation of pancreatic carcinoma: 1990-2010. World J Gastroenterol 2011; 17:867-97. [PMID: 21412497 PMCID: PMC3051138 DOI: 10.3748/wjg.v17.i7.867] [Citation(s) in RCA: 149] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2010] [Revised: 12/08/2010] [Accepted: 12/15/2010] [Indexed: 02/06/2023] Open
Abstract
Several advances in genetics, diagnosis and palliation of pancreatic cancer (PC) have occurred in the last decades. A multidisciplinary approach to this disease is therefore recommended. PC is relatively common as it is the fourth leading cause of cancer related mortality. Most patients present with obstructive jaundice, epigastric or back pain, weight loss and anorexia. Despite improvements in diagnostic modalities, the majority of cases are still detected in advanced stages. The only curative treatment for PC remains surgical resection. No more than 20% of patients are candidates for surgery at the time of diagnosis and survival remains quite poor as adjuvant therapies are not very effective. A small percentage of patients with borderline non-resectable PC might benefit from neo-adjuvant chemoradiation therapy enabling them to undergo resection; however, randomized controlled studies are needed to prove the benefits of this strategy. Patients with unresectable PC benefit from palliative interventions such as biliary decompression and celiac plexus block. Further clinical trials to evaluate new chemo and radiation protocols as well as identification of genetic markers for PC are needed to improve the overall survival of patients affected by PC, as the current overall 5-year survival rate of patients affected by PC is still less than 5%. The aim of this article is to review the most recent high quality literature on this topic.
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Tempero MA, Arnoletti JP, Behrman S, Ben-Josef E, Benson AB, Berlin JD, Cameron JL, Casper ES, Cohen SJ, Duff M, Ellenhorn JDI, Hawkins WG, Hoffman JP, Kuvshinoff BW, Malafa MP, Muscarella P, Nakakura EK, Sasson AR, Thayer SP, Tyler DS, Warren RS, Whiting S, Willett C, Wolff RA. Pancreatic adenocarcinoma. J Natl Compr Canc Netw 2010; 8:972-1017. [PMID: 20876541 DOI: 10.6004/jnccn.2010.0073] [Citation(s) in RCA: 143] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Sun W, Leong CN, Zhang Z, Lu JJ. Proposing the lymphatic target volume for elective radiation therapy for pancreatic cancer: a pooled analysis of clinical evidence. Radiat Oncol 2010; 5:28. [PMID: 20398316 PMCID: PMC2859771 DOI: 10.1186/1748-717x-5-28] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2010] [Accepted: 04/15/2010] [Indexed: 02/08/2023] Open
Abstract
Background Radiation therapy is an important cancer treatment modality in both adjuvant and definitive setting, however, the use of radiation therapy for elective treatment of regional lymph nodes is controversial for pancreatic cancer. No consensus on proper selection and delineation of subclinical lymph nodal areas in adjuvant or definitive radiation therapy has been suggested either conclusively or proposed for further investigation. This analysis aims to study the pattern of lymph node metastasis through a pooled analysis of published results after radical tumor and lymph nodal resection with histological study in pancreatic cancer. Methods Literature search using electronic databases including MEDLINE, EMBASE, and CANCERLIT from January 1970 to June 2009 was performed, supplemented by review of references. Eighteen original researches and a total of 5954 pancreatic cancer patients underwent radical surgical resection were included in this analysis. The probability of metastasis in regional lymph nodal stations (using Japan Pancreas Society [JPS] Classification) was calculated and analyzed based on the location and other characteristics of the primary disease. Results Commonly involved nodal regions in patients with pancreatic head tumor include lymph nodes around the common hepatic artery (Group 8, 9.79%), posterior pancreaticoduodenal lymph nodes (Group 13, 32.31%), lymph nodes around the superior mesenteric artery (Group 14, 15.85%), paraaortic lymph nodes (Group 16, 10.92%), and anterior pancreaticoduodenal lymph nodes (Group 17, 19.78%); The probability of metastasis in other lymph nodal regions were <9%. Commonly involved nodal regions in patients with pancreatic body/tail tumor include lymph nodes around the common hepatic artery (Group 8, 15.07%), lymph nodes around the celiac trunk (Group 9, 9.59%), lymph nodes along the splenic artery (Group 11, 35.62%), lymph nodes around the superior mesenteric artery (Group 14, 9.59%), paraaortic lymph nodes (Group 16, 16.44%), and inferior body lymph nodes (Group 18, 24.66%). The probability of metastasis in other lymph nodal regions were <9%. Conclusions Pancreatic cancer has a high propensity of regional lymphatic metastases; however, clear patterns including the site and probability of metastasis can be identified and used as a guide of treatment in patients with resectable pancreatic cancer. Further clinical investigation is needed to study the efficacy of elective treatment to CTV defined based on these patterns using high-dose conformal or intensity-modulated radiation therapy.
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Affiliation(s)
- Wenjie Sun
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
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Sendler A. [Tumors of the upper gastro-intestinal tract]. Chirurg 2010; 81:103-6; 108-10. [PMID: 20076935 DOI: 10.1007/s00104-009-1813-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The appropriate extent of lymph node dissection in tumors of the upper gastro-intestinal tract continues to be debated. The basic tenet of surgical oncology that cancerous lymph nodes are indicators not governors of survival is under question and derives from the different theories of metastasis. Is the metastatic flow linear (indicators) or does it occur in parallel to tumorigenesis (governor)? If the latter theory is true there would be only a limited indication for lymphadenectomy (LA).Extended LA leads to an ameliorated staging of the N category. Following LA locoregional tumor control is significantly improved for esophageal and gastric cancer. In case of gastric cancer it is evident that there is a group of patients in which extended LA lead to improved long-term survival. This gain in prognosis affects patients in which lymph node metastasis is not or only slightly advanced. In locally advanced tumors there is no prognostic benefit. Patients who might benefit from the extended procedure cannot be assessed during preoperative staging. Therefore, the indications for the procedure should be liberally carried out by experienced hands and in experienced centers. According to randomized studies there is no indication for extended radical LA in pancreatic cancer.
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The lymph node ratio is the strongest prognostic factor after resection of pancreatic cancer. J Gastrointest Surg 2009; 13:1337-44. [PMID: 19418101 DOI: 10.1007/s11605-009-0919-2] [Citation(s) in RCA: 276] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2009] [Accepted: 04/15/2009] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Survival after surgery of pancreatic cancer is still poor, even after curative resection. Some prognostic factors like the status of the resection margin, lymph node (LN) status, or tumor grading have been identified. However, only few data have been published regarding the prognostic influence of the LN ratio (number of LN involved to number of examined LN). We, therefore, evaluated potential prognostic factors in 182 patients after resection of pancreatic cancer including assessment of LN ratio. METHODS Since 1994, 204 patients underwent pancreatic resection for ductal pancreatic adenocarcinoma. Survival was evaluated in 182 patients with complete follow-up evaluations. Of those 182 patients, 88% had cancer of the pancreatic head, 5% of the body, and 7% of the pancreatic tail. Patients underwent pancreatoduodenectomy (85%), distal resection (12%), or total pancreatectomy (3%). Survival was analyzed by the Kaplan-Meier and Cox methods. RESULTS In all 204 resected patients, operative mortality was 3.9% (n = 8). In the 182 patients with follow-up, 70% had free resection margins, 62% had G1- or G2-classified tumors, and 70% positive LN. Median tumor size was 30 (7-80) mm. The median number of examined LN was 16 and median number of involved LN 1 (range 0-22). Median LN ratio was 0.1 (0-0.79). Cumulative 5-year survival (5-year SV) in all patients was 15%. In univariate analysis, a LN ratio > or = 0.2 (5-year SV 6% vs. 19% with LN ratio < 0.2; p = 0.003), LN ratio > or = 0.3 (5-year SV 0% vs. 18% with LN ratio < 0.3; p < 0.001), a positive resection margin (p < 0.01) and poor differentiation (G3/G4; p < 0.03) were associated with poorer survival. In multivariate analysis, a LN ratio > or = 0.2 (p < 0.02; relative risk RR 1.6), LN ratio > or = 0.3 (p < 0.001; RR 2.2), positive margins (p < 0.02; RR 1.7), and poor differentiation (p < 0.03; RR 1.5) were independent factors predicting a poorer outcome. The conventional nodal status or the number of examined nodes (in all patients and in the subgroups of node positive or negative patients) had no significant influence on survival. Patients with one metastatic LN had the same outcome as patients with negative nodes, but prognosis decreased significantly in patients with two or more LN involved. CONCLUSIONS Not the lymph node involvement per se but especially the LN ratio is an independent prognostic factor after resection of pancreatic cancers. In our series, the LN ratio was even the strongest predictor of survival. The routine estimation of the LN ratio may be helpful not only for the individual prediction of prognosis but also for the indication of adjuvant therapy and herein related outcome and therapy studies.
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Yokoyama Y, Nimura Y, Nagino M. Advances in the treatment of pancreatic cancer: limitations of surgery and evaluation of new therapeutic strategies. Surg Today 2009; 39:466-75. [PMID: 19468801 DOI: 10.1007/s00595-008-3904-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2008] [Accepted: 04/02/2008] [Indexed: 01/21/2023]
Abstract
Pancreatic ductal carcinoma is one of the most dismal malignancies of the gastrointestinal system. Even after curative resection, the actual 5-year survival is only 10%-20%. Of all the treatments used against pancreatic cancer, surgery is still the only one that can achieve complete cure. Pancreatic cancer spreads easily to the adjacent tissues and distant metastasis is common. Typically, this cancer invades the retropancreatic neural tissue, duodenum, portal vein (PV), and superior mesenteric vein (SMV), or regional lymph nodes. For this reason, aggressive surgery that removes the cancerous lesion completely is recommended. Several retrospective and prospective studies have been conducted to validate the usefulness of aggressive surgery for pancreatic cancer in the past few decades. Surprisingly, the survival benefits of aggressive surgery have been denied by most randomized controlled trials (RCTs). This implies that surgery alone is not enough. Thus, adjuvant therapy, such as radiotherapy and chemotherapy, has been given in combination with surgery to improve survival. Although the benefits of radiotherapy alone are limited, the results of chemotherapy are promising. Other newly evolving molecular targeting drugs may also improve the treatment outcomes of pancreatic cancer.
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Affiliation(s)
- Yukihiro Yokoyama
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
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Evans DB, Farnell MB, Lillemoe KD, Vollmer C, Strasberg SM, Schulick RD. Surgical Treatment of Resectable and Borderline Resectable Pancreas Cancer: Expert Consensus Statement. Ann Surg Oncol 2009; 16:1736-44. [DOI: 10.1245/s10434-009-0416-6] [Citation(s) in RCA: 173] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2008] [Revised: 01/31/2009] [Accepted: 02/01/2009] [Indexed: 12/15/2022]
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Iqbal N, Lovegrove R, Tilney H, Abraham A, Bhattacharya S, Tekkis P, Kocher H. A comparison of pancreaticoduodenectomy with extended pancreaticoduodenectomy: A meta-analysis of 1909 patients. Eur J Surg Oncol 2009; 35:79-86. [DOI: 10.1016/j.ejso.2008.01.002] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2007] [Accepted: 01/08/2008] [Indexed: 12/21/2022] Open
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Rupp CC, Linehan DC. Extended lymphadenectomy in the surgery of pancreatic adenocarcinoma and its relation to quality improvement issues. J Surg Oncol 2008; 99:207-14. [DOI: 10.1002/jso.21210] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Kahlert C, M.W. B, Weitz J. Extendierte Lymphknotendissektion und Gefäßresektion beim Pankreaskarzinom. Chirurg 2008; 79:1115-22. [DOI: 10.1007/s00104-008-1572-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Glanemann M, Shi B, Liang F, Sun XG, Bahra M, Jacob D, Neumann U, Neuhaus P. Surgical strategies for treatment of malignant pancreatic tumors: extended, standard or local surgery? World J Surg Oncol 2008; 6:123. [PMID: 19014474 PMCID: PMC2596481 DOI: 10.1186/1477-7819-6-123] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2008] [Accepted: 11/12/2008] [Indexed: 01/08/2023] Open
Abstract
Tumor related pancreatic surgery has progressed significantly during recent years. Pancreatoduodenectomy (PD) with lymphadenectomy, including vascular resection, still presents the optimal surgical procedure for carcinomas in the head of pancreas. For patients with small or low-grade malignant neoplasms, as well as small pancreatic metastases located in the mid-portion of pancreas, central pancreatectomy (CP) is emerging as a safe and effective option with a low risk of developing de-novo exocrine and/or endocrine insufficiency. Total pancreatectomy (TP) is not as risky as it was years ago and can nowadays safely be performed, but its indication is limited to locally extended tumors that cannot be removed by PD or distal pancreatectomy (DP) with tumor free surgical margins. Consequently, TP has not been adopted as a routine procedure by most surgeons. On the other hand, an aggressive attitude is required in case of advanced distal pancreatic tumors, provided that safe and experienced surgery is available. Due to the development of modern instruments, laparoscopic operations became more and more successful, even in malignant pancreatic diseases. This review summarizes the recent literature on the above mentioned topics.
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Affiliation(s)
- Matthias Glanemann
- Department of General, Visceral, and Transplantation Surgery, Charité, Campus Virchow Klinikum, Universitätsmedizin Berlin, Germany.
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Takamori H, Hiraoka T, Kanemitsu K, Tsuji T, Tanaka H, Chikamoto A, Horino K, Beppu T, Hirota M, Baba H. Long-term outcomes of extended radical resection combined with intraoperative radiation therapy for pancreatic cancer. ACTA ACUST UNITED AC 2008; 15:603-7. [PMID: 18987930 DOI: 10.1007/s00534-007-1323-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2007] [Accepted: 12/07/2007] [Indexed: 11/25/2022]
Abstract
BACKGROUND/PURPOSE Systemic and/or local recurrence often occurs even after curative resection for pancreatic cancer (PC). To prevent local relapse we adopted an extended radical resection combined with intraoperative radiation therapy in patients with PC, and all the patients were followed for more than 5 years. METHODS We assessed the long-term outcomes of 41 patients who underwent this combined therapy. The cumulative survival curve in this series was depicted using the Kaplan-Meier method. Statistical analyses were performed using the log-rank test. RESULTS The actual 5-year survival rate was 14.6%, with a median survival time of 17.6 months. Six patients have been 5-year survivors. Local recurrence occurred in only 2 patients (5.0%). Cancer-related death occurred in 32 patients, 18 of whom had liver metastases. The patients with liver metastases had a significantly shorter survival time than those with other cancer-related causes of death. Patients with n3 lymph node involvement, extrapancreatic nerve plexus invasion, and stage IV disease had significantly poorer prognoses than patients without these characteristics. CONCLUSIONS Our combined therapy for patients with PC contributed to local control; however, it provided no survival benefit, because of liver metastases.
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Affiliation(s)
- Hiroshi Takamori
- Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto, 860-8556, Japan
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