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    Review and prospect of neoadjuvant chemoradiotherapy combined with immunotherapy in locally advanced rectal cancer
    WANG Yaqi, XIA Fan, ZHANG Zhen
    Journal of Surgery Concepts & Practice    2024, 29 (03): 220-229.   DOI: 10.16139/j.1007-9610.2024.03.07
    Abstract369)   HTML2)    PDF(pc) (978KB)(113)       Save

    For locally advanced rectal cancer (LARC), the standard treatment of neoadjuvant chemoradiotherapy (nCRT) followed by total mesorectal excision (TME) leaded to limited tumor regression grade and organ preservation rate, and didn’t decrease the rate of distant metastasis. Radiotherapy can promote the immune response and has good synergistic effect with immunotherapy, which is likely to overcome the treatment difficulty of the microsatellite stable(MSS) colorectal cancer. Recently, multiple clinical trials are ongoing in terms of the combination of nCRT and immunotherapy in LARC. Most of them have achieved promising complete response rates, providing new treatment options for preservation of organ functions in mid-low MSS LARC. Large-scale randomized controlled trials are needed in the future to validate these findings and explore the benefit of organ preservation and long-term survival. In addition, studies are still needed on the optimal combination patterns of radiotherapy and immunotherapy and the precise efficacy evaluation, etc.

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    Interpretation of the updated international guidelines for groin hernia management (2023)
    XU Jing, ZHUANG Qiulin, DONG Ruizhao, YANG Ziang
    Journal of Surgery Concepts & Practice    2024, 29 (04): 316-322.   DOI: 10.16139/j.1007-9610.2024.04.08
    Abstract357)   HTML12)    PDF(pc) (966KB)(854)       Save

    Since the International guidelines for groin hernia management were published in 2018, many new evidences have been published. In October 2023, the HerniaSurge Group published Update of the international HerniaSurge guidelines for groin hernia management. It updated eight chapters of the last guidelines, proposed 20 key questions, and 39 new statements and 32 recommendations, of which 16 were strong recommendations. This article combined clinical concerns to sort out and interpret the updated version.

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    Research status and prospects of colorectal cancer vaccine
    JIA Wenqing, ZHANG Tao, ZHAO Ren
    Journal of Surgery Concepts & Practice    2024, 29 (03): 264-269.   DOI: 10.16139/j.1007-9610.2024.03.14
    Abstract240)   HTML4)    PDF(pc) (988KB)(58)       Save

    Colorectal cancer(CRC) ranks in third place in terms of incidence but second in terms of mortality. Cancer vaccine, as a novel immunotherapy, presents tumor antigens to human immune system and further elicits anti-tumor immune response, leading to long-term immune memory. This review summarized representative research progress in both clinical and basic scenario of past five years, and prospected the future of CRC vaccine.

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    Lateral approach single-incision laparoscopic totally extraperitoneal inguinal hernia repair: a report of 110 cases
    ZHANG Yizhong, TANG Rui, WANG Tingfeng, SI Xianke, YE Lebin, LIU Nan, XIANG Shijun, WU Weidong
    Journal of Surgery Concepts & Practice    2024, 29 (04): 323-328.   DOI: 10.16139/j.1007-9610.2024.04.09
    Abstract216)   HTML4)    PDF(pc) (11620KB)(31)       Save

    Objective To present the initial practice of a novel procedure for the surgical treatment of inguinal hernia -“lateral approach single-incision laparoscopic totally extraperitoneal (L-SILTEP) repair” in certain specific situations. Methods The clinical data of 110 inguinal hernia patients who underwent L-SILTEP in the First Affiliated Hospital of Ningbo University, Shanghai General Hospital affiliated to Shanghai Jiao Tong University School of Medicine, and Shanghai East Hospital affiliated to Tongji University from June 2021 to March 2024 were collected retrospectively. Patients′ demographics, surgical details, length of hospital stay, and postoperative outcomes were analyzed respectively. Results All surgeries were completed successfully and there was no conversion. The median surgical time was 55 (41.25, 70) mins and the intraoperative blood loss was 5 (2,10) mL. In surgery, inferior epigastric artery injury occurred in 5 cases (4.5%) and spermatic cord injury occurred in 1 case (0.9%). The mean visual analog scale (VAS) scores pain assessment at 6, 24, and 48 h after surgery were 3.0 ± 0.8, 1.9 ± 0.7 and 1.1 ± 0.4, respectively. The duration of hospital stay was (3.3 ± 0.7) days. The most common postoperative complication was seroma, which occurred in 9 cases (8.2%). Additionally, extraperitoneal hematoma occurred in 1 case (0.9%) and scrotum effusion in 1 case (0.9%). Conclusions Generally, L-SILTEP is safe, feasible and effective. However,due to its advanced technique-demand, the application of L-SILTEP should be patient-specific and surgeon-specific. The successful implementation of this surgical procedure necessitates extensive training and meticulous attention to the surgical details.

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    Standardized procedure, quality control and efficacy evaluation of laparoscopic surgery for colorectal cancer
    YAO Hongwei, WEI Pengyu, GAO Jiale, ZHANG Zhongtao
    Journal of Surgery Concepts & Practice    2024, 29 (03): 187-191.   DOI: 10.16139/j.1007-9610.2024.03.01
    Abstract215)   HTML11)    PDF(pc) (838KB)(45)       Save

    The safety and efficacy of laparoscopic surgery for colorectal cancer has been confirmed by several large-scale clinical studies. Laparoscopy has become the main modality of surgical treatment for colorectal cancer in China. Based on evidence-based medicine and the experience accumulated in clinical practice, laparoscopic colorectal surgical techniques are still being continuously optimised and improved. The key techniques mainly revolve around the following three aspects:①complete surgical excision extension;②appropriate lymph node dissection area;③safe digestive tract reconstruction. Prioritizing the standardization of laparoscopic colorectal cancer surgery, promoting the consistent implementation of these procedures, establishing a scientific evaluation system, thoroughly assessing surgical outcomes, and conducting high-quality clinical research are essential for enhancing the standardization of laparoscopic colorectal cancer surgery in China.

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    Innovative direction in minimally invasive colorectal surgery platforms and techniques and quality control
    ZHANG Mingguang, WANG Xishan
    Journal of Surgery Concepts & Practice    2024, 29 (03): 192-196.   DOI: 10.16139/j.1007-9610.2024.03.02
    Abstract183)   HTML3)    PDF(pc) (833KB)(80)       Save

    The advancements in colorectal minimally invasive surgical techniques represent not merely technological innovation but also a significant leap in surgical philosophy. Over the past half-century, we have witnessed the historic transition from traditional open surgery to minimally invasive procedures, a change propelled by continuous innovations in surgical platforms and techniques. The innovations of platforms encompass developments in imaging platforms, energy platforms, instrumentation platforms. Furthermore, innovations in surgical techniques primarily focus on exploring variables within five key elements of surgical techniques: the approach, extent of bowel resection, lymph node dissection, reconstruction of the digestive tract, and specimen extraction. The progress in colorectal minimally invasive surgery has significantly reduced surgical trauma, and enhanced patients' postoperative quality of life and the overall safety of surgeries. This progress is underpinned by stringent quality control throughout the surgical process, ensuring standardized and homogeneous execution of procedures. Moving forward, the ongoing drive to innovate surgical techniques and philosophies will continue to improve the efficacy and safety of colorectal minimally invasive surgeries. This journey not only necessitates the relentless advancement of medical technologies, but also requires surgeons to continuously deepen and actively pursue surgical philosophies.

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    Interpretation of surgical procedure standard of conformal sphincter-preservation operation for low rectal cancer (2023 edition)
    ZHANG Wei
    Journal of Surgery Concepts & Practice    2024, 29 (03): 217-219.   DOI: 10.16139/j.1007-9610.2024.03.06
    Abstract178)   HTML4)    PDF(pc) (821KB)(202)       Save

    In this paper we interpretated the background about Standardized surgical procedure of conformal sphincter-preservation operation (CSPO) for low rectal cancer (2023 edition), and several key issues need to be attention, for example, the definition of conformal resection, the clarity of relevant anatomical concepts, the functional advantages of CSPO, the main differences between CSPO and intersphincteric resection(ISR), the clinical value and indications, the principles and details of surgery, and the key issues of perioperative nursing.

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    Application of 21-Gene test in adjuvant radiotherapy for early breast cancer
    TANG Xiaolu, HUA Xin, CAO Lu, CHEN Jiayi
    Journal of Surgery Concepts & Practice    2024, 29 (03): 270-276.   DOI: 10.16139/j.1007-9610.2024.03.15
    Abstract178)   HTML2)    PDF(pc) (895KB)(167)       Save

    Breast cancer is the most common malignant tumor in women. With the development of genomics technology and medical frontier technology, the systemic treatment of breast cancer has gradually entered the era of personalized medicine. However, the decision-making of adjuvant radiotherapy for breast cancer still mainly relies on traditional clinicopathological factors, and there is a lack of scientific and reliable tools to guide precise radiotherapy in different populations. Hormone receptor (HR) positive/human epidermal growth factor receptor 2 (HER2) negative breast cancer is the most common molecular subtype of breast cancer. The 21-Gene recurrence score (RS) test (Oncotype Dx™, Genomic Health, Redwood City, CA) is a commercially available genomic test for breast cancer. In this article, we reviewed the current research evidence on the use of 21-Gene RS test for radiotherapy decision-making in HR-positive HER2-negative early breast cancer. Current clinical studies support the predictive value of 21-Gene RS test for adjuvant radiotherapy, and several large-scale prospective clinical studies in this area are underway.

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    Risk factors and prevention strategies for intraperitoneal hemorrhage after pancreaticoduodenectomy
    LI Wei, WU Sheng, TIAN Yujian, TANG Xiaoming, CAI Chuang, XU Zhiwei
    Journal of Surgery Concepts & Practice    2024, 29 (03): 243-248.   DOI: 10.16139/j.1007-9610.2024.03.10
    Abstract173)   HTML1)    PDF(pc) (1079KB)(26)       Save

    Objective To investigate the risk factors and preventive strategies of pancreaticoduodenectomy postoperative hemorrhage. Methods A total of 208 patients who underwent pancreaticoduodenectomy in the Department of Hepatobiliary Surgery of the 904th Hospital of Joint Logistics Support Force, PLA from January 2017 to December 2021 were enrolled. Twenty-one patients with postoperative hemorrhage were retrospectively analyzed. Results Univariate analysis indicated that postoperative hemorrhage was mainly associated with pancreatic leakage, biliary leakage, abdominal infection, hypoproteinemia, diabetes, improper use of ultrasound knife, skeletonization, intraoperative blood loss, preoperative jaundice, etc.(P<0.05), but not gender and age (P>0.05). Among the 21 patients with postoperative hemorrhage, 4 cases recovered after conservative treatment such as hemostasis and blood transfusion, 6 cases underwent interventional treatment, 11 cases underwent abdominal exploration, and 2 cases died of postoperative multiple organ failure. Pancreatic leakage (OR=3.963,95%CI: 1.120-14.025), biliary leakage (OR=4.013,95% CI: 1.173-13.734) and abdominal infection (OR=7.545,95%CI: 1.833-31.051) were independent risk factors for postoperative hemorrhage. Conclusions The improvement of anastomotic manipulation, reduction of anastomotic leakage, and control and prevention of abdominal infection are important to prevent postoperative hemorrhage of pancreaticoduodenectomy. Surgical treatment should be performed as soon as possible for the patients with poor conservative treatment effect.

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    Diagnosis, treatment and full-process surveillance of early rectal cancer
    LAN Ping, CHEN Yongle, HE Xiaosheng
    Journal of Surgery Concepts & Practice    2024, 29 (03): 197-205.   DOI: 10.16139/j.1007-9610.2024.03.03
    Abstract172)   HTML1)    PDF(pc) (943KB)(136)       Save

    Early rectal cancer is defined as any size of rectal epithelial tumor with infiltration depth limited to the mucosa and submucosa, regardless of with or without lymph node metastasis. Local resection is one of the main treatment methods for early rectal cancer without local lymph node metastasis. The development of endoscopic mucosal resection (EMR), endoscopic submucosal dissection (ESD), transanal endoscopic microsurgery (TEM), and transanal minimally invasive surgery (TAMIS) has brought more options for the treatment of early rectal cancer. About 8%-12% of early rectal cancer patients have local lymph node metastasis and therefore still require total mesorectal excision (TME). The current guidelines recommend that early rectal cancer with high-risk pathological features requires additional salvage radical surgery. Various minimally invasive and anal sphincter-preserving surgical techniques, such as natural orifice specimen extraction surgery (NOSES), transanal total mesorectal excision (TaTME), intersphincteric resection (ISR), and conformal sphincter-preserving operation (CSPO), have better achieved the goal of anal sphincter preservation and anal function preservation. The overall prognosis of early rectal cancer is good, but full-process surveillance is equally important. With the innovation of early diagnosis, early treatment and full-process surveillance, the development of endoscopic and surgical techniques will further improve the standardization of diagnosis and treatment for early rectal cancer.

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    Evolution and progress of hernia repair techniques in the past 30 years in China
    TANG Jianxiong, MENG Yunxiao
    Journal of Surgery Concepts & Practice    2024, 29 (04): 279-284.   DOI: 10.16139/j.1007-9610.2024.04.01
    Abstract168)   HTML6)    PDF(pc) (924KB)(62)       Save

    This article provided an overview of the basic concepts and historical development of hernias. The introduction of the concept of “tension-free hernioplasty” marked a milestone in hernia surgery, while the establishment of the concept of “abdominal domain” has propelled its development. This article introduced the introduction and promotion of hernia repair techniques in China, with a focus on discussing the stages of development for Chinese hernia surgical repair techniques including open surgery, laparoscopic surgery, robotic surgery, as well as the application and development of minimally invasive techniques. It emphasized that surgical methods should be selected based on the classification of abdominal wall hernia and the 3R(repair, reconstruction, restoration) principle for abdominal wall reconstruction. Additionally, this article explored advancements in materials science and the promotion of day surgery models.

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    Surgical treatment strategies for gastroesophageal reflux disease
    CHEN Shuang, HUANG Enmin, ZHOU Taicheng
    Journal of Surgery Concepts & Practice    2024, 29 (04): 292-295.   DOI: 10.16139/j.1007-9610.2024.04.03
    Abstract167)   HTML2)    PDF(pc) (990KB)(52)       Save

    Gastroesophageal reflux disease (GERD) is a common digestive disorder with a global prevalence of approximately 13%. The primary surgical options include the 360° Nissen fundoplication, 270° Toupet fundoplication, and 180° Dor fundoplication. While the Nissen procedure demonstrates superior long-term outcomes compared to the other methods, it is associated with a higher incidence of postoperative dysphagia. Surgical decisions should be individualized based on esophageal motility and pH monitoring. The surgery not only aims to repair anatomical structures, but also to restore function, including the length of the abdominal esophagus and the angulation between the crura diaphragm and the spine. Reconstruction of the gastroesophageal valve and the phrenoesophageal fascia is crucial for optimizing surgical outcomes and preventing postoperative complications. Given the physiological and psychological changes associated with GERD, personalized treatment is essential for improving symptoms and enhancing quality of life.

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    Construction of a Nomogram model for personalized prediction of the risk of delayed postoperative bleeding after endoscopic submucosal dissection for early gastric cancer
    Gong Tingting, Qian Aihua, Chen Xi
    Journal of Surgery Concepts & Practice    2024, 29 (03): 236-242.   DOI: 10.16139/j.1007-9610.2024.03.09
    Abstract165)   HTML4)    PDF(pc) (1012KB)(19)       Save

    Objective To analyze the influencing factors of delayed postoperative bleeding (DPPB) after endoscopic submucosal dissection (ESD) for early gastric cancer and construct a Nomogram model. Methods The clinical information of 234 patients who underwent ESD treatment at our hospital and pathologically diagnosed with early gastric cancer from April 2021 to April 2023 were collected. The patients were grouped based on the presence or absence of DPPB. Logistic regression analysis was applied to screen for risk factors affecting DPPB after ESD in early gastric cancer patients. R software was applied to construct a Nomogram model for predicting the risk of DPPB in early gastric cancer patients after ESD. Receiver operator characteristic (ROC) curve, calibration curve, and Hosmer-Lemeshow goodness of fit test were plotted to evaluate the Nomogram model. Results A total of 23 (9.8%) of 234 early gastric cancer patients who underwent ESD treatment developed DPPB. Multivariate Logistic regression analysis showed that the number of biopsies ≥ 3 (95%CI: 2.482-20.424, P=0.000), the maximum diameter of lesions ≥ 3 cm (95%CI: 1.620-13.244, P=0.004), the depth of invasion to submucosa (95%CI: 1.421-10.536, P=0.008), and intraoperative bleeding (95%CI: 1.160-11.300, P=0.027) were independent risk factors for DPPB after ESD in early gastric cancer patients. The area under ROC curve (AUC) was 0.838 (95%CI: 0.743-0.932). The slope of the calibration curve was close to 1. Hosmer-Lemeshow goodness of fit test showed χ2=3.328, P=0.505. Conclusions The number of biopsies ≥ 3, the maximum diameter of lesion ≥ 3 cm, the depth of invasion to submucosa, and intraoperative bleeding are independent risk factors for DPPB after ESD in early gastric cancer patients. The Nomogram model based on these four independent risk factors can effectively predict the risk of DPPB after ESD in early gastric cancer patients.

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    Application and research prospects of artificial intelligence in breast cancer pathological diagnosis
    DA Qian, RUAN Miao, FEI Xiaochun, WANG Chaofu
    Journal of Surgery Concepts & Practice    2024, 29 (05): 389-395.   DOI: 10.16139/j.1007-9610.2024.05.04
    Abstract162)   HTML5)    PDF(pc) (1217KB)(22)       Save

    Breast cancer is one of the most common cancers affecting women globally. With the advent of digital pathology slide scanners and the continuous evolution of deep learning algorithms, there has been a significant advancement in the application of artificial intelligence (AI) in the diagnosis and treatment of breast cancer. This article provided an overview of the current research and application status of AI in breast cancer pathological diagnosis, and summarized the challenges encountered as well as future directions in this field.

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    Hereditary breast cancer risk gene assessment and counseling: interpretation of NCCN guidelines and Ruijin Hospital clinical practice
    HAN Mengyuan, CHEN Xiaosong
    Journal of Surgery Concepts & Practice    2024, 29 (05): 401-404.   DOI: 10.16139/j.1007-9610.2024.05.06
    Abstract149)   HTML3)    PDF(pc) (918KB)(16)       Save

    Hereditary breast cancer-related gene mutations significantly increase the risk of breast cancer in women. In this regard, the National Comprehensive Cancer Network (NCCN) Clinical Practice Guidelines in Genetic/Familial High-Risk Assessment was developed to guide genetic assessment and counseling in mutation carriers of breast cancer risk genes, providing crucial information for the prevention, screening and treatment of breast cancer. This article provided an interpretation of the NCCN Clinical Practice Guidelines in Genetic/Familial High-Risk Assessment, integrating the clinical practice experience of Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine.

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    Progress in research of the risk factors of lymph node metastasis in T1 stage colorectal cancer
    CHEN Fangqian, FENG Wenqing, ZHAO Jingkun, ZONG Yaping, LU Aiguo
    Journal of Surgery Concepts & Practice    2024, 29 (04): 358-364.   DOI: 10.16139/j.1007-9610.2024.04.14
    Abstract147)   HTML6)    PDF(pc) (985KB)(279)       Save

    Colorectal cancer is one of the common malignant tumors of the digestive tract. With the popularization of screening methods and advancement of endoscopic technology, an increasing number of T1 stage colorectal cancers can be discovered. Accurately predicting lymph node metastasis risk is significantly important for guiding clinical treatment decisions, reducing complications and mortality. Current research on risk factors for lymph node metastasis in T1 stage colorectal cancer covers multiple aspects including clinical pathological features, molecular phenotypes and genetic characteristics. Some studies have built prediction models by integrating these factors, which show higher sensitivity, specificity and accuracy compared to current clinical guidelines. These models provide valuable experience for clinical practice.

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    Optimal timing of surgery for locally advance rectal cancer: how we choose
    XIE Haiting, HU Yeting, LI Jun, DING Kefeng
    Journal of Surgery Concepts & Practice    2024, 29 (03): 206-210.   DOI: 10.16139/j.1007-9610.2024.03.04
    Abstract145)   HTML3)    PDF(pc) (935KB)(34)       Save

    Locally advanced rectal cancer (LARC) is associated with a high risk of local recurrence and distant metastasis, making it difficult to be cured by surgery alone. Neoadjuvant chemoradiotherapy followed by surgery is the standard treatment for LARC, with reduced local recurrence rates. However, neoadjuvant chemoradiotherapy is associated with patients' urogenital and sexual dysfunction, which severely affecting their quality of life. Therefore, determining the optimal timing of surgery to balance oncologic and functional outcomes is crucial and challenging. We proposed that choosing the optimal timing of surgery based on preoperative risk assessment of LARC is an effective strategy. The patients with low to moderate risk of recurrence can be considered to perform surgery directly or have preoperative chemotherapy followed by radical surgery. Patients with high risk of recurrence should extend neoadjuvant therapy before surgery to improve oncologic outcomes. In this study we explored the optimal timing of radical surgery for LARC, providing a new idea for individualized and precise treatment of LARC.

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    Research progress in organ preservation strategies for early rectal cancer
    SONG Zijia, ZHAO Ren
    Journal of Surgery Concepts & Practice    2024, 29 (03): 211-216.   DOI: 10.16139/j.1007-9610.2024.03.05
    Abstract144)   HTML1)    PDF(pc) (860KB)(64)       Save

    This review explored recent advancements in organ preservation strategies for early rectal cancer. Although total mesorectal excision (TME) remains the standard treatment, there is a growing interest in organ preservation approaches due to the potential decline in quality of life associated with TME. We discussed precise staging methods for early rectal cancer and proposed specific organ preservation protocols for cT1N0M0 and cT2N0M0 patients. Additionally, immunotherapy has shown significant potential for patients with deficient mismatch repair/microsatellite instability-high (dMMR/MSI-H) status. This review summarized current research findings and provided guidance for clinicians on organ preservation options when treating early rectal cancer.

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    Application of advanced integrated two-stage laparoscopic simulation training course in standardized training of surgical residents
    ZHANG Luyang, JU Ping, ZHOU Xueliang, SHAO Yanfei, WU Chao, WANG Jiayu, SUN Jing, PAN Ruijun, CAI Wei
    Journal of Surgery Concepts & Practice    2024, 29 (03): 249-253.   DOI: 10.16139/j.1007-9610.2024.03.11
    Abstract143)   HTML3)    PDF(pc) (4553KB)(26)       Save

    Objective To explore the feasibility and rationality of advanced integrated two-stage laparoscopic simulation training course in standardized training of surgical residents. Methods From December 2019 to December 2021, the advanced integrated two-stage laparoscopic simulation training course was carried out among 2019—2020 surgical residents who received standardized training in our hospital. The course was divided into two stages. In the first stage, BEST (best essential surgical technology training) course, adopted Darwin® endoscopic training system, Tianyan® endoscopic training system, Microport® 3D laparoscopic training system and simple simulative models were used. The second stage, BEST PLUS course, same platform as that in BEST course and in vitro animal models were used. The questionnaire survey method (before and after class questionnaire) was adopted to evaluate the curriculum setting, such as curriculum form, simulators, teaching method, time arrangement, curriculum difficulty, training effect, curriculum satisfaction and so on. Results A total of 37 surgical residents completed the two-stage course training and the questionnaire survey. The overall satisfaction rate with the curriculum setting was 100%. There were 32 residents (86.5%) thought that first stage training course could significantly improve their clinical skills, 35 residents (94.6%) thought that second stage training course could significantly improve their clinical skills, and 36 resident (97.3%) thought that the first stage curriculum could significantly help them improve performance in the second stage curriculum. Conclusions The trainees had a high degree of recognition and satisfaction for the advanced integrated two-stage laparoscopic simulation training course. The overall design of course was reasonable and feasible, and was attractive to trainees.

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    Correlationship between total proteins SUMOylation and papillary thyroid carcinoma in males
    WU Qiao, LIU Wei, ZHENG Jiaojiao, WANG Cong, AI Zhilong
    Journal of Surgery Concepts & Practice    2024, 29 (04): 336-344.   DOI: 10.16139/j.1007-9610.2024.04.11
    Abstract140)   HTML4)    PDF(pc) (8797KB)(213)       Save

    Objective To investigate the relationship between protein SUMOylation level and the prognosis of papillary thyroid carcinoma(PTC) in males. Methods Protein SUMOylation levels in PTC was analyzed by bioinformatics based on GTEx and TCGA databases and validated by immunohistochemical staining and Western blotting in our clinical pairs specimens. The mRNA expression of the protein SUMOylation associated genes were measured by fluorescent quantitative real-time polymerase chain reaction (qRT-PCR) in surgical pairs specimens. Results The expression level of SUMOylation in the tumor tissues of PTC showed an elevated trend(P<0.05), and was associated with poor prognosis of the patients by TCGA and GTEx databases analysis(P=0.021). In the clinical samples of our hospital, it was verified that the level of SUMOylation in tumor tissues was higher than that of the paired non-tumor tissues(P<0.05). However, qRT-PCR showed no significant changes in the transcriptional level of the protein SUMOylation associated genes in most cases. Conclusions Protein SUMOylation in thyroid tumor tissues were higher than that in paired non-tumor tissues, and the higher SUMOylation levels levels in tumor tissues were, the shorter overall survival time of the patients was.

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