Liang Min, Yan Jin, Jiefei Chen, Hongyi Zhu, Chengbai Liang, Liang Lv, Yongjun Wang, Deliang Liu, Yuqian Zhou, Yi Chu, Yuyong Tan
{"title":"Endoscopic ultrasound-guided bite-on-bite biopsy and endoscopic ultrasound-guided fine-needle aspiration in the diagnosis of gastric tumors with negative malignant endoscopy biopsies: a retrospective cohort study.","authors":"Liang Min, Yan Jin, Jiefei Chen, Hongyi Zhu, Chengbai Liang, Liang Lv, Yongjun Wang, Deliang Liu, Yuqian Zhou, Yi Chu, Yuyong Tan","doi":"10.1080/13645706.2024.2381103","DOIUrl":"10.1080/13645706.2024.2381103","url":null,"abstract":"<p><strong>Background: </strong>Specific types of gastric tumors, including gastric linitis plastica and lymphoma, may cause extensive deep-layer infiltration, impeding an accurate diagnosis with endoscopic biopsy. This study aims to evaluate the efficacy of endoscopic ultrasound (EUS)-guided bite-on-bite biopsy and EUS-guided fine-needle aspiration (EUS-FNA) in diagnosing gastric malignancies with negative endoscopic biopsies.</p><p><strong>Methods: </strong>We retrospectively analyzed suspicious malignant gastric lesion cases in our hospital from October 2017 to August 2023. Clinical manifestations, radiographical examinations, endoscopic examinations, histopathological results, and therapeutic strategies were recorded and analyzed.</p><p><strong>Results: </strong>Forty malignant gastric tumor cases with negative endoscopic biopsies were incorporated into our study. EUS-guided bite-on-bite biopsy was performed in 16 cases exclusively, whereas 17 patients received EUS-FNA exclusively, and seven patients underwent both simultaneously. Among the 23 patients who received the EUS-guided bite-on-bite biopsy, 22 (95.7%) were diagnosed with malignancies. Among the 24 patients who received EUS-FNA, a total of 19 cases with malignancies (79.2%) were confirmed by EUS-FNA (<i>p</i> = 0.11): 13 gastric adenocarcinomas, five metastatic malignancies, and one malignant stromal tumor. No adverse events were observed in any of the cases.</p><p><strong>Conclusions: </strong>EUS-guided bite-on-bite biopsy and EUS-FNA possess their advantages and disadvantages. EUS-guided bite-on-bite biopsy could serve as a reliable diagnostic method for shallow lesions with negative malignant endoscopic biopsies.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"96-106"},"PeriodicalIF":1.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141752140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Salvatore Giovanni Vitale, John Preston Parry, Gilda Sicilia, Luis Alonso Pacheco, Maria Chiara De Angelis, Bülent Urman, Gaetano Riemma, Péter Török, Jose Carugno, Tirso Perez-Medina, Stefano Angioni, Sergio Haimovich
{"title":"<i>Unus Pro omnibus, omnes Pro uno</i>: a commentary on the eternal dilemma of endometrial cancer screening in postmenopausal asymptomatic women. Is it time to team up?","authors":"Salvatore Giovanni Vitale, John Preston Parry, Gilda Sicilia, Luis Alonso Pacheco, Maria Chiara De Angelis, Bülent Urman, Gaetano Riemma, Péter Török, Jose Carugno, Tirso Perez-Medina, Stefano Angioni, Sergio Haimovich","doi":"10.1080/13645706.2024.2418380","DOIUrl":"10.1080/13645706.2024.2418380","url":null,"abstract":"<p><strong>Introduction: </strong>The diagnostic workflow for endometrial carcinoma in postmenopausal asymptomatic women remains an ongoing dilemma. Whereas an ultrasonographic endometrial thickness greater than 4.0 or 5.0 mm is adequate for warranting further investigations in women with postmenopausal vaginal bleeding, there is still no unanimous consensus on what the ideal endometrial thickness cut-off should be, justifying additional inspection through endometrial sampling when bleeding is absent.</p><p><strong>Methods: </strong>A comprehensive overview of the most recent literature to summarize the clinical pathway necessary for the diagnostic assessment of a postmenopausal asymptomatic woman with increased ultrasonographic endometrial thickness.</p><p><strong>Results: </strong>An endometrial thickness cut-off between 3.0 and 5.9 mm seems to show the lowest specificity while also reducing the chances of missing malignancy. If endometrial thickness can be a valid starting point, a careful evaluation of the other ultrasonographic endometrial features and a thorough scrutiny of patients' risk factors are pivotal to standardizing the diagnostic process while avoiding overtreatment. Although preventing unnecessary procedures is crucial, stratifying the risk and proceeding with further investigations (preferably through outpatient or office hysteroscopically-guided targeted biopsies) should be the goal.</p><p><strong>Conclusions: </strong>Closer collaboration between different fields of medicine (ultrasonography, hysteroscopy, and oncology) is strongly encouraged to facilitate early diagnosis of asymptomatic postmenopausal women at risk of developing endometrial malignancy.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"114-118"},"PeriodicalIF":1.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142503756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Narrow-band imaging offers a shorter menstrual bleeding time and a longer remission for hysteroscopic surgery in symptomatic post-cesarean scar diverticulum compared to white light.","authors":"Jiezhuang Huang, Shuang Liang, Ting Huang, Ziqian Wang, Zhifu Zhi","doi":"10.1080/13645706.2024.2422830","DOIUrl":"10.1080/13645706.2024.2422830","url":null,"abstract":"<p><strong>Background: </strong>Narrow-band imaging (NBI) is a novel endoscopic imaging technology that improves the visibility of capillaries. The aim of this study was to evaluate the efficacy of NBI hysteroscopic excision in symptomatic post-cesarean scar diverticulum (PCSD) patients compared to conventional white light (WL) hysteroscopy.</p><p><strong>Method: </strong>A total of 73 patients with symptomatic PCSD between January 2014 and December 2018 were enrolled. The enrolled patients were stratified into NBI and WL groups according to whether they received NBI or WL hysteroscopy. Postoperative menstrual patterns at one, six, and 12 months after the operation were collected and compared between the NBI and WL groups.</p><p><strong>Results: </strong>A total of 32 patients underwent NBI hysteroscopy (NBI group), while 41 patients received WL hysteroscopy (WL group). The symptom-free remission rates in the NBI group were significantly higher than in the WL group at six months and 12 months post-hysteroscopy. At the final follow-up, the menstrual bleeding duration in the NBI group was significantly shorter than in the WL group.</p><p><strong>Conclusion: </strong>The use of NBI hysteroscopy in treating symptomatic PCSD resulted in shorter menstrual bleeding days and longer symptomatic remission compared to conventional WL hysteroscopy.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"127-135"},"PeriodicalIF":1.7,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jan-Willem Klok, Masie Rahimi, Sem Hardon, Roelf Postema, Jaap Bonjer, Freek Daams, Jenny Dankelman, Tim Horeman
{"title":"The impact of simulated intra-abdominal movement on basic laparoscopic skills development: a feasibility study.","authors":"Jan-Willem Klok, Masie Rahimi, Sem Hardon, Roelf Postema, Jaap Bonjer, Freek Daams, Jenny Dankelman, Tim Horeman","doi":"10.1080/13645706.2025.2481394","DOIUrl":"https://doi.org/10.1080/13645706.2025.2481394","url":null,"abstract":"<p><strong>Background: </strong>Laparoscopic surgery requires a complex set of motor skills. Currently, basic laparoscopic skills training is performed in a static environment, while intraoperatively, abdominal tissue is often moving. The aim of this study was to develop a dynamic training platform and evaluate its impact on laparoscopic skills acquisition in a box trainer.</p><p><strong>Methods: </strong>The Dynamic Laparoscopic Platform (DyLaP) includes a moving base which has been intergrated with the Lapron box trainer and the ForceSense objective measurement system. Dynamic training was evaluated in a comparative study where novices were divided into a static and dynamic training group, performing six training trials of a peg transfer task with the DyLaP. Afterwards, both groups performed a dynamic exam task. Task manipulation (force) and instrument efficiency (path length and time) were measured.</p><p><strong>Results: </strong>Participants (<i>n</i> = 12) exhibited a significant difference (<i>p</i> < 0.05) in time, path length, and maximum force between the static and dynamic groups in the first trial. Learning curves were most prevalent in the dynamic group.</p><p><strong>Conclusions: </strong>The DyLaP can be used to provide a challenging and realistic training environment. From the comparative peg transfer study, it can be concluded that dynamic training significantly affects laparoscopic skill acquisition. More research is needed to evaluate dynamic training effects in force-based training tasks.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"1-10"},"PeriodicalIF":1.7,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143677013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A novel robotic technique for creating the retrosternal route in gastric conduit reconstruction.","authors":"Toshikatsu Tsuji, Noriyuki Inaki, Kenta Doden, Saki Hayashi, Hiroto Saito, Takahisa Yamaguchi, Daisuke Yamamoto, Koichi Okamoto, Hideki Moriyama, Jun Kinoshita","doi":"10.1080/13645706.2025.2475122","DOIUrl":"https://doi.org/10.1080/13645706.2025.2475122","url":null,"abstract":"<p><strong>Background: </strong>The optimal reconstruction route after esophagectomy remains controversial. The retrosternal route has the advantage of a lower risk of fatal complications. However, the blind maneuver to create a retrosternal route may cause bleeding and pleural injury. Herein, we report a novel robotic technique for creating a retrosternal route.</p><p><strong>Methods: </strong>This study included 43 consecutive patients with esophageal cancer who underwent robot-assisted minimally invasive esophagectomy with robotic retrosternal route reconstruction between April 2021 and December 2023. Clinicopathological findings and perioperative outcomes, including the time required to create the retrosternal route, were retrospectively analyzed. The creation times were also compared among surgeons.</p><p><strong>Results: </strong>The median age and body mass index of the patients were 68 years (range: 46-80) and 21.4 kg/m2 (range: 16.6-30.2 kg/m2), respectively. Twenty-six patients (60%) received neoadjuvant chemotherapy. The median time to create the retrosternal route was nine minutes (range, 5-14 min). No cases showed pleural injury or postoperative hemorrhage associated with this procedure. There was no significant difference in the time taken to create the retrosternal route between the four surgeons (<i>p</i> = 0.434).</p><p><strong>Conclusions: </strong>Robotic creation of a retrosternal route for gastric conduit reconstruction is simple, easy to learn, and results in a safe and feasible procedure.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"1-7"},"PeriodicalIF":1.7,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143625028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Clinical efficacy of end-to-end anastomosis followed by mucosal folding and burying in minimally invasive esophageal cancer surgery.","authors":"Xianchao Chen, Yun Huang","doi":"10.1080/13645706.2025.2472724","DOIUrl":"https://doi.org/10.1080/13645706.2025.2472724","url":null,"abstract":"<p><strong>Background: </strong>Esophageal cancer is a common malignancy in China, with anastomotic fistula being a major postoperative complication. This study compares the clinical outcomes of end-to-end anastomosis and end-to-end anastomosis with mucosal folding and burying in minimally invasive esophageal cancer surgery.</p><p><strong>Methods: </strong>From October 2020 to March 2023, patients with esophageal cancer who underwent laparoscopic three-incision cervical anastomosis at the Fourth People's Hospital of Zigong City, were radomly assigned to receive either end-to-end anastomosis or end-to-end anastomosis followed by mucosal folding and burying. Clinical indicators, including hospitalization time, operation time, intraoperative blood loss, anastomotic fistula, and anastomotic stenosis, were compared between the two groups.</p><p><strong>Results: </strong>A total of 107 patients werencluded, with 56 in the end-to-end anastomosis with mucosal folding and burying technique group. There were no statistically significant differences between the two groups in operation time, intraoperative blood loss, anastomotic fistula rate, and anastomotic stenosis. However, for patients who received preoperative chemoradiotherapy or chemotherapy combined with immunotherapy, the incidence of anastomotic fistula was significantly lower in the group with end-to-end anastomosis with mucosal folding and burying.</p><p><strong>Conclusions: </strong>End-to-end anastomosis followed by mucosal folding and burying helps reduce the occurrence of anastomotic fistula, especially in patients receiving neoadjuvant chemoradiotherapy.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"1-10"},"PeriodicalIF":1.7,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143586289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ilaria Benzoni, Martina Fricano, Jessica Borali, Martina Bonafede, Andrea Celotti, Antonio Tarasconi, Valerio Ranieri, Luigi Totaro, Luca Mattia Quarti, Arianna Dendena, Giulia Grizzi, Maria Bonomi, Roberto Grassia, Barbara Frittoli, Gian Luca Baiocchi
{"title":"Fluorescence-guided mesorectal nodes harvesting associated with local excision for early rectal cancer: technical notes.","authors":"Ilaria Benzoni, Martina Fricano, Jessica Borali, Martina Bonafede, Andrea Celotti, Antonio Tarasconi, Valerio Ranieri, Luigi Totaro, Luca Mattia Quarti, Arianna Dendena, Giulia Grizzi, Maria Bonomi, Roberto Grassia, Barbara Frittoli, Gian Luca Baiocchi","doi":"10.1080/13645706.2025.2473587","DOIUrl":"https://doi.org/10.1080/13645706.2025.2473587","url":null,"abstract":"<p><strong>Background: </strong>The spread of colorectal cancer screening has increased the percentage of patients with early-stage rectal cancer; at least 30% of patients are diagnosed with a clinical-stage cT1 or pT1 after endoscopic excision. In this subgroup of patients, the real advantage of total mesorectal excision (TME) over local excision (LE) is the ability to remove mesorectal nodes, which are metastatic in less than 20% of cases.</p><p><strong>Method: </strong>To solve the unmet need for accurate nodal staging in patients with cT0/cT1, cN0 rectal cancer, we designed a pilot study that associates LE with mesorectal fluorescence-guided nodal sampling. From November 2018 to November 2023, we enrolled a total of ten patients with T1N0M0 rectal cancer. After extensive staging and adequate information, patients underwent endoscopic indocyanine green (ICG) infiltration and transanal local excision associated with laparoscopic fluorescence-guided mesorectal nodal sampling.</p><p><strong>Results: </strong>After a median follow-up of 24 months (range 1-63 months), no case of local or nodal recurrence was observed. All patients were spared from ostomy and lower anterior resection syndrome.</p><p><strong>Conclusions: </strong>In selected cases of cT0-1cN0 rectal cancer, transanal local excision plus ICG lymph nodal sampling is a feasible surgical option that increases the rate of organ preservation. Further studies are needed to identify the patients most likely to benefit from this minimally invasive strategy.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"1-7"},"PeriodicalIF":1.7,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143557330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Diya Shah, Freweini Martha Tesfai, Matthew Boal, Alberto Arezzo, Nader Francis
{"title":"Evaluation of current and emerging endoluminal robotic platforms using the IDEAL framework.","authors":"Diya Shah, Freweini Martha Tesfai, Matthew Boal, Alberto Arezzo, Nader Francis","doi":"10.1080/13645706.2025.2467805","DOIUrl":"https://doi.org/10.1080/13645706.2025.2467805","url":null,"abstract":"<p><strong>Background: </strong>Robotic-assisted endoluminal systems are rapidly evolving within the field of minimally invasive surgery. The IDEAL framework (Idea, Development, Exploration, Assessment, and Surveillance) can be used to evaluate novel technologies. This review provides a summary of current and emerging endoluminal systems using the IDEAL framework.</p><p><strong>Methods: </strong>A scoping review was conducted to include all existing and developing robotic-assisted endoluminal systems. Data was collected <i>via</i> virtual interviews, questionnaires, biomedical databases, company websites, and peer-reviewed articles. Key metrics were reported, enabling the assignment of each system to an IDEAL stage.</p><p><strong>Results: </strong>The review identified 17 distinct systems from 16 companies. Nine systems received regulatory approval in their respective countries. Our evaluation showed that two systems were at the pre-IDEAL Stage 0. Seven systems were in the Idea stage (Stage 1), six systems were in the Development stage (Stage 2) and two systems completed Stage 3. No system underwent long-term study evaluation (Stage 4).</p><p><strong>Conclusions: </strong>There is a gap in long-term clinical data of robotic-assisted endoluminal systems, indicated by the absence of systems at Stage 4. Collaborative efforts amongst the medical community, regulatory bodies, and industry specialists are vital to ensure the delivery of evidence-based medicine in the discipline of robotics.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"1-14"},"PeriodicalIF":1.7,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143476700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alberto Arezzo, Antonella Nicotera, Roberto Passera, Salvatore Pucciarelli, Edoardo Forcignanò, Steven Brown, Mario Morino
{"title":"Is colonic J-pouch superior to other reconstructive techniques after total mesorectal excision? A systematic review with meta-analysis.","authors":"Alberto Arezzo, Antonella Nicotera, Roberto Passera, Salvatore Pucciarelli, Edoardo Forcignanò, Steven Brown, Mario Morino","doi":"10.1080/13645706.2025.2467040","DOIUrl":"https://doi.org/10.1080/13645706.2025.2467040","url":null,"abstract":"<p><strong>Background: </strong>Different reconstruction techniques after total mesorectal excision have been described, such as straight coloanal anastomosis, colonic J-pouch, side-to-end anastomosis and transverse coloplasty pouch. Establishing which technique is the best in functional terms is essential to improving a patient's quality of life.</p><p><strong>Methods: </strong>We compared benefits and harms of different reconstructive techniques. The primary outcome was to compare functional results at 18 months after surgery (long-term). Secondary outcomes were the same as primary but at different time intervals (short-term and medium-term) and perioperative morbidity and mortality.</p><p><strong>Results: </strong>Forty-one reports of 36 trials were included in the analysis. According to primary outcome, no significant difference was observed in terms of bowel frequency, while colonic J-pouch resulted in a lower incidence of faecal urgency only compared to side-to-end. Only up to 18 months after bowel restoration bowel frequency, fecal urgency and the number of individuals using anti-diarrheal medications were reduced in the colonic J-pouch group. No difference in mortality/morbidity could be assessed among the techniques, but a lower rate of anastomotic leak after side-to-end compared to straight coloanal anastomosis was observed.</p><p><strong>Conclusions: </strong>Evidence suggests that reconstruction with colonic J-pouch offers similar long-term benefits to straight coloanal anastomosis and Transverse coloplasty pouch, while superior to side-to-end.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"1-13"},"PeriodicalIF":1.7,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143441372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Karianne Sagberg, Torgrim Lie, Helene F Peterson, Vigdis Hillestad, Anne Eskild, Lars Eirik Bø
{"title":"A new method for placental volume measurements using tracked 2D ultrasound and automatic image segmentation.","authors":"Karianne Sagberg, Torgrim Lie, Helene F Peterson, Vigdis Hillestad, Anne Eskild, Lars Eirik Bø","doi":"10.1080/13645706.2025.2449699","DOIUrl":"https://doi.org/10.1080/13645706.2025.2449699","url":null,"abstract":"<p><strong>Background: </strong>Placental volume measurements can potentially identify high-risk pregnancies. We aimed to develop and validate a new method for placental volume measurements using tracked 2D ultrasound and automatic image segmentation.</p><p><strong>Methods: </strong>We included 43 pregnancies at gestational week 27 and acquired placental images using a 2D ultrasound probe with position tracking, and trained a convolutional neural network (CNN) for automatic image segmentation. The automatically segmented 2D images were combined with tracking data to calculate placental volume. For 15 of the included pregnancies, placental volume was also estimated based on MRI examinations, 3D ultrasound and manually segmented 2D ultrasound images. The ultrasound methods were compared to MRI (gold standard).</p><p><strong>Results: </strong>The CNN demonstrated good performance in automatic image segmentation (F1-score 0.84). The correlation with MRI-based placental volume was similar for tracked 2D ultrasound using automatically segmented images (absolute agreement intraclass correlation coefficient [ICC] 0.58, 95% CI 0.13-0.84) and manually segmented images (ICC 0.59, 95% CI 0.13-0.84). The 3D ultrasound method showed lower ICC (0.35, 95% CI -0.11 to 0.74) than the methods based on tracked 2D ultrasound.</p><p><strong>Conclusions: </strong>Tracked 2D ultrasound with automatic image segmentation is a promising new method for placental volume measurements and has potential for further improvement.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"1-9"},"PeriodicalIF":1.7,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143365057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}