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Table of Content

    25 January 2025, Volume 30 Issue 01 Previous Issue   
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    Editorial
    Application, innovation, and quality control of endoscopic thyroidectomy by gasless unilateral axillary approach
    GUO Yawen, ZHENG Chuanming, GE Minghua
    2025, 30 (01):  1-6.  DOI: 10.16139/j.1007-9610.2025.01.01
    Abstract ( 5 )   HTML ( 1 )   PDF (852KB) ( 0 )  

    The endoscopic thyroidectomy by gasless unilateral axillary approach (GUA) represents a significant advancement in the field of endoscopic thyroid surgery, offering notable aesthetic and clinical therapeutic benefits. This paper reviewed the current clinical application, core technological innovations, quality control systems, and future developmental directions of GUA. Research indicated that GUA achieved surgical outcomes comparable to traditional open surgery in the treatment of benign thyroid tumors and thyroid cancer, while substantially enhancing cosmetic results and patient satisfaction. By optimizing the surgical approach design, enhancing cavity construction equipment, and standardizing the operational process, GUA markedly reduced the incidence of postoperative complications, preserved the anterior cervical functional area, and improved patients' postoperative quality of life. Furthermore, multidisciplinary collaboration and thorough pre-operative evaluation were fundamental to surgical success, while intraoperative quality control measures and a comprehensive postoperative follow-up system ensured the safety and efficacy of the procedure. In the future, the integration of robotic technology and advancements in single-site devices are anticipated to enhance the role of GUA in endoscopic thyroid surgery, thereby offering patients more minimally invasive and aesthetically favorable treatment options.

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    Experts forum
    Minimally invasive thyroid surgery: development and future
    CHEN Lingxie, ZHAO Qiwu, QIU Weihua
    2025, 30 (01):  7-12.  DOI: 10.16139/j.1007-9610.2025.01.02
    Abstract ( 6 )   HTML ( 1 )   PDF (855KB) ( 0 )  

    Since the 90s of the 20th century, thyroid endoscopic surgery has undergone the development from multi-port to single-site, from endoscopy to robot. In recent years, the emergence of da Vinci single-port robots and domestic single-port robots have further promoted the technological innovation of minimally invasive thyroid surgery. This article reviewed the development process of minimally invasive thyroid surgery from the development of endoscopic thyroid surgery, the breakthrough of single-site endoscopic surgery, and the realization of robotic thyroid surgery and single-port robotic thyroid surgery, and discussed the future of thyroid surgery in the era of artificial intelligence.

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    Expanded application of superior standard recurrent laryngeal nerve and superior laryngeal nerve monitoring techniques in endoscopic and robotic thyroid surgery
    Zhao Wenxin, Huang Qijian, Zhang Liyong, Cai Shaojun
    2025, 30 (01):  13-16.  DOI: 10.16139/j.1007-9610.2025.01.03
    Abstract ( 6 )   HTML ( 1 )   PDF (7268KB) ( 0 )  

    The standardized implementation of intraoperative nerve monitoring technology significantly minimizes surgical injury risks. Its application in endoscopic and robotic thyroid surgeries enhances procedural safety. Building upon standardized protocols, our team has innovated technical extensions through accumulated clinical experience, systematically formulated as operational guidelines. This article elucidated these technical extensions through pictures and videos, aiming to improve the safety and procedural fluency of endoscopic and robotic thyroidectomies.

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    Progress and technical points of transoral endoscopic thyroidectomy vestibular approach
    CHEN Peng, SHI Jianing, JIA Wenjun, FANG Jing
    2025, 30 (01):  17-20.  DOI: 10.16139/j.1007-9610.2025.01.04
    Abstract ( 5 )   HTML ( 1 )   PDF (813KB) ( 0 )  

    Transoral endoscopic thyroidectomy vestibular approach (TOETVA) is a novel endoscopic thyroid surgery method. TOETVA can completely dissect the lymph nodes in the central area and Ⅳ area. TOETVA has both advantages of beauty and curative effect. Based on the clinical experience of this technique, the author reviewed the development, indications, complications and surgical skills of TOETVA in recent years, and looked forward to the development trend of this technique.

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    Recent advances in ultrasound diagnosis of thyroid follicular neoplasms
    SU Yixuan, YING Tao
    2025, 30 (01):  21-26.  DOI: 10.16139/j.1007-9610.2025.01.05
    Abstract ( 5 )   HTML ( 1 )   PDF (4475KB) ( 0 )  

    Conventional ultrasonography often struggles to accurately differentiate between benign and malignant thyroid follicular tumors, which relying heavily on postoperative pathological diagnosis. Recent advancements in novel ultrasound technologies and artificial intelligence(AI) have shown significant potential in improving diagnostic accuracy, reducing unnecessary surgeries, and decreasing misdiagnosis rates. Emerging ultrasound modalities, such as superb microvascular imaging, contrast-enhanced ultrasound, and ultrasound elastography, provide new approaches for preoperative differentiation of thyroid follicular tumors. This review summarized and discussed the application value of these novel ultrasound techniques and various AI-based modeling methods in the preoperative diagnosis of thyroid follicular tumors, aiming to provide a scientific basis for clinical decision-making.

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    Consensus and guideline
    Interpretation of the 5th edition of WHO classification of endocrine and neuroendocrine tumors: update and progress on follicular cell-derived thyroid tumors
    LU Shanshan, JI Yuan
    2025, 30 (01):  27-33.  DOI: 10.16139/j.1007-9610.2025.01.06
    Abstract ( 2 )   HTML ( 1 )   PDF (934KB) ( 0 )  

    The 2022 WHO classification of endocrine and neuroendocrine tumors (5th edition) categorizes thyroid follicular cell-derived tumors into benign, low-risk, and malignant types. Benign tumors now include thyroid follicular nodular lesions. A newly added category previously termed "borderline tumors" have been revised to low-risk follicular cell-derived tumors, which encompass non-invasive follicular thyroid neoplasm with papillary-like nuclear features, thyroid tumors of uncertain malignant potential, and hyalinizing trabecular tumors. The new WHO classification stratifies malignant follicular cell-derived tumors based on molecular characteristics and invasiveness: papillary thyroid carcinoma (PTC) with various histological subtypes represents BRAF-like malignancies; invasive encapsulated follicular variant PTC and follicular thyroid carcinoma represent RAS-like malignancies. Oncocytic carcinoma is now recognized as a distinct entity, specifically referring to tumors composed of ≥75% oncocytic follicular cells lacking PTC nuclear features and high-grade characteristics (necrosis and mitotic figures ≥3/2 mm²). A new category termed "high-grade follicular cell-derived thyroid carcinoma" has been added, encompassing traditional poorly differentiated thyroid carcinoma and differentiated high-grade thyroid carcinoma. Anaplastic thyroid carcinoma(ATC) remains the most undifferentiated type, with thyroid squamous cell carcinoma now classified as a subtype of ATC. The term "papillary thyroid microcarcinoma" is no longer recommended as a distinct subtype. Cribriform-morular thyroid carcinoma is no longer classified as a subtype of PTC, but is instead categorized as a tumor of uncertain histogenesis.

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    Original article
    Trends analysis of pancreatic cancer mortality in Xuhui district, Shanghai from 1992 to 2021
    XU Jingshu, SHI Jianhua, GU Haiyan, CHEN Lei, QIAN Xiaolin, LU Lu, NIU Deng
    2025, 30 (01):  34-40.  DOI: 10.16139/j.1007-9610.2025.01.07
    Abstract ( 4 )   HTML ( 1 )   PDF (1550KB) ( 1 )  

    Objective To study the death status of pancreatic cancer among residents in Xuhui district, Shanghai, from 1992 to 2021, and analyze its trends of change, so as to provide evidence for the prevention and treatment of pancreatic cancer. Methods Based on the database of Shanghai death registration system from 1992 to 2021, the crude mortality rate, standardized mortality rate, age-specific mortality rate and other indicators of pancreatic cancer among registered residents in Xuhui district were calculated. The Joinpoint software was used to analyze the trends of average annual percent change (AAPC) of pancreatic cancer mortality rate, and the age-period-cohort model was used to analyze the age effect, period effect and birth cohort effect pairs significant changes in pancreatic cancer mortality. Results In 2021, the mortality rate of pancreatic cancer in Xuhui district, Shanghai, ranked fourth among malignant tumors, and the winning rate and world standard rate of the whole population, males and females were 8.34/100 000 (8.81/100 000, 7.98/100 000) and 7.28/100 000 (7.69/100 000, 6.96/100 000), respectively, with males higher than females. AAPC of crude mortality rate and the standardized (6) mortality rate were higher in males than that in females. The age-specific mortality rate increased with the increase of age, and the highest mortality rate was found in 60-84 years old group. The age-period-cohort model showed that from 1992 to 2021, the annual net shift of pancreatic cancer mortality among the whole population, male and female residents in Xuhui district, Shanghai, was 1.22%, 1.58%, 1.15% (P=0.20, 0.19, 0.45) respectively, and the time trend was not significant. From the perspective of age effect, the risk of death from pancreatic cancer in the whole population and with age deviation in males had an obvious trend with increasing age (P<0.05), while the age effect in females had no obvious trend. From the perspective of period effect, no period deviation was significant in the whole population, males and females (P>0.05). In terms of cohort effects, there were significant differences in the whole population and the male cohort deviations(P<0.05). No significant cohort effect was observed in the female population. Conclusions The mortality rate of pancreatic cancer among registered residents in Xuhui district, Shanghai from 1992 to 2021, was on the rise, especially in the 60-84 years old group and male. The prevention and control of pancreatic cancer needs to develop effective epidemic prevention measures for corresponding populations.

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    Preliminary exploration of greater omentum metastasis rate in patients with gastric cancer: clinical pilot study of Dragon 05 trial
    HUA Zichen, MEI Yu, LI Chen, YAN Chao, YAN Min, ZHU Zhenggang, YAO Xuexin
    2025, 30 (01):  41-46.  DOI: 10.16139/j.1007-9610.2025.01.08
    Abstract ( 6 )   HTML ( 1 )   PDF (2089KB) ( 0 )  

    Objective To investigate the rate of greater omentum metastasis in gastric cancer(GC). Methods General informations of patients with GC who underwent radical gastrectomy at Shanghai Ruijin Hospital in May 2020 were collected, and their clinicopathological characteristics were analyzed to find risk factors of greater omentum metastasis. Recurrence and survival were also assessed. Results A total of 59 patients with GC were included in the study, of which 2(3.4%) had greater omentum metastasis. One patient presented a pathological stage of pT4aN3bM0 and another ypT4bN1M0. The 3-year overall survival rate of patients in the study was 87.9%. Conclusions The rate of greater omentum metastasis was relatively low, and patients with greater omentum metastasis had an more advanced pathological stage. To further validate this clinical issue, a prospective randomized controlled clinical study should be conducted between radical gastrectomy with omentectomy and omentum-preserving radical gastrectomy.

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    Predictive factors of pathological complete response after neoadjuvant therapy for locally advanced rectal cancer
    LI Hao, LUO Yang, WANG Tingfeng, LIN Haiping, GONG Tingyue, ZHAO Yongheng, ZHONG Ming
    2025, 30 (01):  47-53.  DOI: 10.16139/j.1007-9610.2025.01.09
    Abstract ( 2 )   HTML ( 2 )   PDF (1113KB) ( 0 )  

    Objective To analyze the tumor characteristics associated with achieving pathological complete response(pCR) and tumor prognosis in the patients undergoing laparoscopic rectal cancer surgery after neoadjuvant chemoradiotherapy(nCRT). Methods A retrospective review was conducted on clinical and pathological data of locally advanced rectal cancer(LARC) patients who underwent nCRT at Renji Hospital from January 2017 to January 2024. Factors influencing the achievement of pCR were analyzed, and the patients prognosis of pCR group and non-pCR group was compared. Results Univariate analysis, multivariate Logistic regression analysis, and receiver operating characteristic (ROC) curve analysis showed that tumor length less than 5 cm(cutoff value 5.24 cm) and baseline carcinoembryonic antigen(CEA) less than 5 μg/L(cutoff value 5.33 μg/L) were independent predictors of achieving pCR after nCRT in LARC patients. Prognostic survival analysis showed that the 3-year overall survival(OS) rate for pCR group and non-pCR group were 92.86% and 82.46%, respectively (P=0.193), and the 3-year disease-free survival (DFS) rate were 85.71% and 70.18%, respectively (P=0.141), with no statistically significant differences between the two groups. Conclusions Tumor length and baseline CEA level are independent predictors for achieving pCR after nCRT in LARC patients. Additionally, there were no statistically significant differences in 3-year OS and DFS between pCR group and non-pCR group.

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    Establishment of an evaluation system for conversion to laparotomy in laparoscopic cholecystectomy and exploration of surgical grading management
    ZHANG Nannan, GUO Jinxing, WU Gang, YI Hui, ZHOU Yuanhang, LIAO Zhiwei, HUANG Qi, DONG Jian
    2025, 30 (01):  54-60.  DOI: 10.16139/j.1007-9610.2025.01.10
    Abstract ( 7 )   HTML ( 1 )   PDF (958KB) ( 0 )  

    Objective To develop and validate a scoring system to predict the possibility of laparoscopic cholecystectomy (LC) conversion to laparotomy based on preoperative clinical data, and to establish a grading management model of surgery. Methods A retrospective analysis was conducted on the clinical data of 9 414 patients who underwent LC at Renhe Hospital and Huashan Hospital from June 2013 to June 2018. The patients were divided into two groups: the LC group (9 246 patients who successfully underwent LC) and the conversion to laparotomy group (168 patients who required conversion to open surgery). The data of two groups were compared, and the risk factors affecting conversion to laparotomy were screened out by single factor analysis of Chi-square test. Then, the risk factors were analyzed by multiple Logistic regression, and the pre-coefficient of each variable of the risk factors was assigned according to the established conversion to laparotomy possibility function. After calculating the score of each case, the difference in the actual conversion rate of each group was compared. The area under receiver operating characteristic (ROC) curve was calculated to evaluate the performance of the scoring system. According to the scoring system, LC surgical grading management model was created and verified. Results The following factors were identified as significant risk factors for conversion to laparotomy (P < 0.001): body temperature ≥ 38.5℃, frequency of acute cholecystitis ≥3 times, maximum thickness of gallbladder wall ≥ 5 mm, gallbladder neck stone incarceration, diameter of common bile duct ≥8 mm, and surgical experience ≤50 cases were the risk factors for conversion to laparotomy (P < 0.001). A score >3 points was associated with a high risk of conversion to laparotomy. Conclusions The LC scoring system and surgical grading management are reliable and effective tools for predicting and reducing the conversion rate of LC to laparotomy.

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    Clinical value of profunda femoral vein thrombosis clearance in endovascular treatment of acute lower extremity deep vein thrombosis
    NI Qihong, CHEN Jiaquan, GUO Xiangjiang, YE Meng, ZHANG Lan
    2025, 30 (01):  61-65.  DOI: 10.16139/j.1007-9610.2025.01.11
    Abstract ( 4 )   HTML ( 1 )   PDF (1278KB) ( 1 )  

    Objective To evaluate the safety and efficacy of profunda femoral vein thrombosis clearance in endovascular treatment of acute lower extremity deep venous thrombosis (DVT). Methods From January 2022 to September 2023, clinical data of acute lower extremity DVT patients who underwent percutaneous mechanical thrombectomy (PMT) for profunda femoral vein thrombosis were retrospectively analyzed. The 12-month primary patency rate of iliofemoral vein and incidence of post-thrombotic syndrome(PTS) were analyzed. Results Twenty-two patients were included in the study, and all patients underwent PMT for profunda femoral vein thrombosis. Five patients were treated through the contralateral common femoral vein via crossover approach, and 17 patients were treated through the contralateral common femoral vein combined with the ipsilateral deep vein approach. The 12-month primary patency rate of iliofemoral vein was 90.9% (20/22), and the incidence of PTS was 9.1% (2/22). Conclusions For patients with acute lower extremity DVT undergoing endovascular treatment, PMT for profunda femoral vein thrombosis is safe and effective, achieving good primary patency of iliofemoral vein and low incidence of PTS.

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    Case report
    Thyroid metastasis from hepatocellular carcinoma: a case report
    LI Ang, HAN Xiaohua, YIN Xiaoxing
    2025, 30 (01):  66-69.  DOI: 10.16139/j.1007-9610.2025.01.12
    Abstract ( 6 )   HTML ( 1 )   PDF (4248KB) ( 0 )  

    We reported a case with huge mass in the anterior neck region, which pathological diagnosis was thyroid metastasis from hepatocellular carcinoma(HCC). A tracheotomy was performed, and a tracheostomy tube was placed because of postoperative dyspnea. Thyroid metastasis from HCC is very rare. The causes include hematogenous metastasis, lymphatic metastasis and other factors. Furthermore, Hepatitis B virus (HBV) infection also plays an important role in tumor progression. Combined with the literature review, surgical resection of thyroid in the treatment of metastatic thyroid malignant tumors can prolong the survival. In clinical work, it is still necessary to develop a reasonable, standardized and comprehensive diagnosis and treatment strategy to improve the quality of life of patients and the therapeutic efficacy.

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    Review
    Application of domestic multi-port robot-assisted surgery system in pancreatic surgery
    LI Jingfeng, SHI Yusheng, DENG Xiaxing, PENG Chenghong, SHEN Baiyong
    2025, 30 (01):  70-73.  DOI: 10.16139/j.1007-9610.2025.01.13
    Abstract ( 5 )   HTML ( 1 )   PDF (908KB) ( 0 )  

    With the development of surgery and technology, robot-assisted pancreatic surgery has gradually become a popular choice for surgeons, and is favored by patients and their families. As the first pancreatic disease treatment center in China to carry out robot-assisted pancreatic surgery, the author's team has unique experience and insight into robot-assisted pancreatic surgery. With the updating and domestication of surgical robots, the domestic multi-port robot-assisted surgical system has begun to be applied in clinical practice. The paper gave an overview of the development of domestic multi-port robotic surgical system in the clinical practice of pancreatic surgery.

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    Application and prospects of three-dimensional modelling technology in rectal cancer surgery
    CHEN Zilong, ZHAO Ren
    2025, 30 (01):  74-78.  DOI: 10.16139/j.1007-9610.2025.01.14
    Abstract ( 9 )   HTML ( 1 )   PDF (1621KB) ( 0 )  

    Surgery is the mainly treatment for rectal cancer. Rectal cancer surgery currently poses specific challenges due to the complex anatomy of pelvic and narrow operating area. Three-dimensional(3D) modelling transforms two-dimensional images into three-dimensional models, makes medical imaging more intuitive and closer to the real surgical procedure. 3D modelling can reconstruct lesions along with surrounding structures, such as organs, vessels, and nerves, thereby enhancing disease diagnosis and treatment. Currently, 3D modelling technology has played a significant role in preoperative planning, intraoperative navigation, medical education, and other fields in orthopedics, urology, thoracic surgery and other surgery. However, its application in rectal surgery is still in the exploratory stage. This article provided a review of the relevant research and progress of 3D modelling in rectal cancer surgery, to improve the development of this technology.

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    Current situation and management of gastrointestinal tumor-related emergencies
    SUN Qiang, ZHANG Xin, YAO Jun, WANG Weijun
    2025, 30 (01):  79-83.  DOI: 10.16139/j.1007-9610.2025.01.15
    Abstract ( 4 )   HTML ( 1 )   PDF (851KB) ( 0 )  

    Cancer is still the main cause of death in the world. With the promotion of early cancer screening and the development of diagnosis and treatment technology, the 5-year survival rate of cancer patients has gradually increased, and more attention has been paid to the whole-process management of cancer patients. However, the incidence of tumor-related emergencies remains high, including a wide range of emergencies caused by initial tumor presentation, surgical complications, progression of known diseases, recurrence of previous cancers, and adverse reactions to treatment, some of which are life-threatening. In this review, we reviewed the current situation and management experience of gastrointestinal tumor-related emergencies.

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    Application and research progress of indocyanine green fluorescence imaging of parathyroid in thyroid surgery
    TSANG YiuSing, DING Min, FEI Jian
    2025, 30 (01):  84-87.  DOI: 10.16139/j.1007-9610.2025.01.16
    Abstract ( 5 )   HTML ( 1 )   PDF (850KB) ( 0 )  

    Recent advancements have integrated indocyanine green (ICG) fluorescence imaging in thyroid surgeries, significantly enhancing the identification and preservation of parathyroid glands. This article reviewed the advancements and applications of ICG fluorescence imaging in locating and assessing the functionality of parathyroid glands in thyroid surgery, outlined the physicochemical characteristics of ICG and its historical utilization in medicine, introduced ICG fluorescence imaging in thyroid surgery, including traditional open thyroid surgery, endoscopic thyroid surgery, and robot-assisted thyroid surgery, and discussed the dosage of ICG, the methodologies for fluorescence scoring, and the enhancement of diagnostic precision through quantitative analysis.

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    Effect of goal-directed fluid therapy on perioperative microcirculatory perfusion in elderly patients undergoing surgery
    QIU Yanli, ZHU Qianlin, LUO Yan
    2025, 30 (01):  88-92.  DOI: 10.16139/j.1007-9610.2025.01.17
    Abstract ( 5 )   HTML ( 1 )   PDF (954KB) ( 0 )  

    With the increasing number of elderly surgical patients, anesthesiologists are confronted with greater challenges. Given the close association between perioperative microcirculatory perfusion and health outcomes in geriatric populations, this article explored the impact of emerging goal-directed fluid therapy (GDFT) on microcirculatory perfusion in elderly surgical patients, aiming to provide new insights for optimizing clinical practice.

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