SeungWook Han, Sooyeun Lim, Sae Byeol Choi, Wan-Bae Kim, Wan-Joon Kim
{"title":"Reduced-port robotic extended cholecystectomy using the da Vinci Single Port system for gallbladder cancer: a case report with video.","authors":"SeungWook Han, Sooyeun Lim, Sae Byeol Choi, Wan-Bae Kim, Wan-Joon Kim","doi":"10.7602/jmis.2026.29.1.50","DOIUrl":"10.7602/jmis.2026.29.1.50","url":null,"abstract":"<p><p>This study aims to present the surgical technique and clinical outcomes of reduced-port robotic extended cholecystectomy using the da Vinci Single Port (SP) system (Intuitive Surgical) in a patient diagnosed with gallbladder cancer. The da Vinci SP surgical system was employed to perform a reduced-port robotic extended cholecystectomy in a patient with gallbladder cancer. Procedural details, operative time, estimated blood loss, and postoperative outcomes were documented and analyzed. The total operative time was 210 minutes, with an estimated blood loss of less than 400 mL. No intraoperative complications were reported. The patient had an uneventful recovery and was discharged on postoperative day 8. The da Vinci SP system appears to be a safe and feasible platform for performing reduced-port robotic extended cholecystectomy, with acceptable perioperative outcomes in appropriately selected patients.</p>","PeriodicalId":73832,"journal":{"name":"Journal of minimally invasive surgery","volume":"29 1","pages":"50-53"},"PeriodicalIF":0.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13006763/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147476397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A case report of pediatric robotic adrenalectomy: pushing boundaries on the robotic platform.","authors":"Ashwin Krishnamoorthy, Siva Ranjith Jayapalan, Guruprasad Chellappan Sojamani","doi":"10.7602/jmis.2026.29.1.46","DOIUrl":"10.7602/jmis.2026.29.1.46","url":null,"abstract":"<p><p>Minimally invasive surgery has become widely adopted in various types of surgery and is associated with faster postoperative recovery. Similar benefits may apply to pediatric patients, in whom enhanced recovery can facilitate timely initiation or resumption of systemic therapy which is an important component of multimodality treatment. We report the case of a 2-year-old child with neuroblastoma of the left adrenal gland who underwent robotic adrenalectomy. This case suggests that a robotic approach may be feasible in carefully selected pediatric patients and can be performed safely under appropriate expertise.</p>","PeriodicalId":73832,"journal":{"name":"Journal of minimally invasive surgery","volume":"29 1","pages":"46-49"},"PeriodicalIF":0.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13006756/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147476167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Minimally invasive surgery for remnant gastric cancer: a single-center retrospective study of treatment outcomes in Japan.","authors":"Kenichi Iwasaki, Edward Barroga, Yoichiro Kaneko, Shohei Kondo, Toru Sakurai, Erika Yamada, Masaya Enomoto, Yota Shimoda, Kenta Kasahara, Hiroaki Osakabe, Junichi Mazaki, Hiroshi Kuwabara, Junya Oguma, Hiroyuki Koga, Akishige Kanazawa, Yuichi Nakagawa","doi":"10.7602/jmis.2026.29.1.11","DOIUrl":"10.7602/jmis.2026.29.1.11","url":null,"abstract":"<p><strong>Purpose: </strong>Surgical resection of remnant gastric cancer (RGC) is technically challenging and difficult. Minimally invasive surgery (MIS) has been adopted for various procedures, but reports of MIS for RGC remain limited. Herein, we report the surgical techniques and short-term outcomes of MIS for RGC.</p><p><strong>Methods: </strong>We conducted a retrospective cohort study involving 61 consecutive RGC patients who underwent open or minimally invasive (laparoscopic or robotic) total gastrectomy for potentially curable RGC at our institution (January 1999-August 2025). A propensity score-matched cohort was used for an exploratory evaluation of the safety and efficacy of MIS for RGC, focusing on feasibility rather than superiority over open surgery.</p><p><strong>Results: </strong>Of these 61 patients, 53 underwent open surgery and eight underwent MIS gastrectomy for RGC. The median age was 70 years. The cohort comprised 53 men and eight women. The initial procedure was open surgery in 58 patients and MIS in three patients. Propensity score matching showed significantly reduced intraoperative blood loss in the MIS group compared with the open surgery group (39 mL vs. 576 mL, <i>p</i> < 0.05), and significantly longer operation time in the MIS group (352 minutes vs. 297 minutes, <i>p</i> < 0.05). Postoperative hospital stay was significantly shorter in the MIS group (12 days vs. 17 days, <i>p</i> < 0.05). The incidence of postoperative pancreatic fistula was lower in the MIS group, although not significantly different (0% vs. 16.7%).</p><p><strong>Conclusion: </strong>MIS, including robotic gastrectomy, is feasible and safe for RGC, with potential perioperative benefits requiring multicenter validation.</p>","PeriodicalId":73832,"journal":{"name":"Journal of minimally invasive surgery","volume":"29 1","pages":"11-21"},"PeriodicalIF":0.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13006755/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147476232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Pathological risk stratification after endoscopic resection of T1 colorectal cancer: a comparative analysis of international guidelines.","authors":"Hyun Tae Lim, Dae Kyung Sohn","doi":"10.7602/jmis.2026.29.1.31","DOIUrl":"10.7602/jmis.2026.29.1.31","url":null,"abstract":"<p><strong>Purpose: </strong>Incidence of T1 colorectal cancer (CRC) has steadily increased. Although endoscopic resection is curative for many patients, lymph node metastasis (LNM) remains problematic, often prompting additional colectomy after endoscopic therapy. This study aimed to comparatively analyze major international guidelines for post-resection management of T1 CRC, summarize evidence supporting the key pathological risk factors for LNM, and examine the effect of divergent definitions and thresholds on variations in clinical decision-making.</p><p><strong>Methods: </strong>Within North America, Europe, and East Asia, current and comprehensive guidelines issued by internationally recognized professional societies for CRC management were included in the analysis. Each guideline was reviewed for its issuing organization, target population, scope, evidence methodology, consensus process, and update frequency. Our evaluation assessed how each guideline addressed individual pathological risk factors associated with LNM, specifically focusing on five key shared features.</p><p><strong>Results: </strong>Five pathological features were consistently recognized as increasing LNM risk: lymphovascular invasion, poor histological differentiation, deep submucosal invasion, tumor budding, and positive or indeterminate resection margins. Overall, although the guidelines shared the core pathological risk factors, their relative weights differed. Eastern guidelines were found to favor surgery based on a single adverse feature, whereas Western approaches prioritize cumulative risk and patient-specific factors.</p><p><strong>Conclusion: </strong>By highlighting areas of consensus and controversy, this comparative analysis underscores the limitations of binary risk stratification and the resulting burden of overtreatment; it also discusses emerging strategies to support more precise, individualized management of T1 CRC.</p>","PeriodicalId":73832,"journal":{"name":"Journal of minimally invasive surgery","volume":"29 1","pages":"31-39"},"PeriodicalIF":0.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13006761/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147476415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Risk or reflex? Why T1 colorectal cancer guidelines need a precision overhaul.","authors":"Eun Ji Park","doi":"10.7602/jmis.2026.29.1.1","DOIUrl":"10.7602/jmis.2026.29.1.1","url":null,"abstract":"","PeriodicalId":73832,"journal":{"name":"Journal of minimally invasive surgery","volume":"29 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13006760/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147476486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
William N Doyle, Ashley J Alden, Jetsen A Rodriguez-Silva, Jin Kim, Sharan Poonja, Melissa A Kendall, Kaylee Smith, Carolina Martinez, Allen Chudzinski, Lisa Moudgill, Paul Cavallaro, Jorge E Marcet, Robert D Bennett
{"title":"Minimally invasive surgery for diverticulitis: a single-center retrospective study in the United States focusing on splenic flexure mobilization in elective sigmoid colectomy.","authors":"William N Doyle, Ashley J Alden, Jetsen A Rodriguez-Silva, Jin Kim, Sharan Poonja, Melissa A Kendall, Kaylee Smith, Carolina Martinez, Allen Chudzinski, Lisa Moudgill, Paul Cavallaro, Jorge E Marcet, Robert D Bennett","doi":"10.7602/jmis.2026.29.1.22","DOIUrl":"10.7602/jmis.2026.29.1.22","url":null,"abstract":"<p><strong>Purpose: </strong>Splenic flexure mobilization (SFM) is occasionally utilized during sigmoidectomy to facilitate a tension-free colorectal anastomosis. Present literature regarding its use, safety, and efficacy predominantly evaluates traditional laparoscopic vs. open techniques, thus not adequately representing the current minimally invasive surgical landscape.</p><p><strong>Methods: </strong>This retrospective cohort analysis evaluated SFM during sigmoidectomy for diverticular disease via traditional laparoscopic, single-incision laparoscopic, and robotic techniques at a United States academic institution from 2019 to 2022. Primary outcomes were the rate of SFM, independent predictors, and short-term outcomes.</p><p><strong>Results: </strong>A total of 117 patients underwent sigmoidectomy for diverticulitis by six colorectal surgeons, of whom 27 underwent SFM. SFM was associated with higher rates of complicated diverticulitis (85.2% vs. 46.7%, <i>p</i> < 0.001), including abscess (55.6% vs. 33.3%, <i>p</i> = 0.037) and fistulae (59.3% vs. 17.8%, <i>p</i> < 0.001). Presence of a fistula was an independent predictor of SFM by logistic regression (odds ratio [OR], 5.886; <i>p</i> < 0.001). Mobilization was associated with more concomitant surgical procedures (66.7% vs. 28.9%, <i>p</i> < 0.001). There was a significant association between SFM and conversion to open approach (14.8% vs. 3.3%, <i>p</i> = 0.049), longer length of stay (4.2 ± 2.8 days vs. 3.6 ± 4.3 days, <i>p</i> = 0.041), and increased operative time (241.7 ± 76.4 minutes vs. 199.2 ± 75.7 minutes). There was no difference in 30-day morbidity/mortality.</p><p><strong>Conclusion: </strong>Routine SFM can be considered in minimally invasive sigmoidectomy for complicated diverticulitis without significant impact on 30-day morbidity/mortality regardless of surgical approach and may be anticipated preoperatively, particularly when a fistula is present.</p>","PeriodicalId":73832,"journal":{"name":"Journal of minimally invasive surgery","volume":"29 1","pages":"22-30"},"PeriodicalIF":0.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13006758/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147476161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A new laparoscopic technique for pediatric epigastric hernia repair: a feasibility case series.","authors":"Eunyoung Jung","doi":"10.7602/jmis.2026.29.1.40","DOIUrl":"10.7602/jmis.2026.29.1.40","url":null,"abstract":"<p><p>This report is a novel laparoscopic technique for pediatric epigastric hernia repair using 3-mm instruments and intracorporeal barbed sutures. A series of three children aged 3 to 6 years presented with a visible or palpable midline bulge, with or without intermittent pain. All had solitary epigastric defects confirmed by ultrasound. Laparoscopic repair was performed via three left lateral abdominal 3-mm ports, avoiding visible central incisions. Preperitoneal fat was reduced or excised, and the fascial defect was closed with a running barbed suture without knots. All patients were discharged the same day without complications. Follow-up up to 2 years revealed no recurrences and excellent cosmetic outcomes, with nearly invisible scars and high parental satisfaction. This technique offers a safe, effective, and cosmetically superior alternative to traditional open repair, especially in small children with central abdominal wall defects.</p>","PeriodicalId":73832,"journal":{"name":"Journal of minimally invasive surgery","volume":"29 1","pages":"40-45"},"PeriodicalIF":0.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13006759/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147476241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In Kyeong Kim, Moonjin Kim, Ji-Yeon Moon, Ri Na Yoo, Jumyeong Song, Chaedong Lim, Choon Sik Chung, Gwan Cheol Lee, Tae Gyu Kim, Young Sun Choi, Dong Geun Lee, Chul Seung Lee
{"title":"Comparative perioperative outcomes of single-port laparoscopic ArtiSential versus da Vinci SP platform for totally extraperitoneal inguinal hernia repair: a multi-institutional, propensity score-matched analysis in Korea.","authors":"In Kyeong Kim, Moonjin Kim, Ji-Yeon Moon, Ri Na Yoo, Jumyeong Song, Chaedong Lim, Choon Sik Chung, Gwan Cheol Lee, Tae Gyu Kim, Young Sun Choi, Dong Geun Lee, Chul Seung Lee","doi":"10.7602/jmis.2026.29.1.3","DOIUrl":"10.7602/jmis.2026.29.1.3","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to compare perioperative and postoperative outcomes of single-port laparoscopic articulated instrument-assisted versus da Vinci SP-assisted totally extraperitoneal (TEP) inguinal hernia repair using a propensity score-matched multi-institutional cohort.</p><p><strong>Methods: </strong>Between April 2022 and July 2025, 221 patients underwent TEP unilateral inguinal hernia repair at four institutions. Among them, 33 patients underwent da Vinci SP-assisted repair (Intuitive Surgical) and 188 underwent single-port laparoscopy using the articulated instrument, ArtiSential (LivsMed). Propensity score matching was performed in a 1:1 ratio based on demographic and clinical variables, resulting in 30 matched patients in each group. Perioperative outcomes and postoperative complications were analyzed.</p><p><strong>Results: </strong>After matching, baseline characteristics were well balanced between the groups. Operative time was significantly longer in the da Vinci SP group than in the ArtiSential group (median [interquartile range], 82.0 [67.5-105.0] vs. 35.0 [28.5-47.5] minutes; <i>p</i> < 0.001). No open conversions occurred, and conversions to transabdominal preperitoneal repair were rare and comparable. Mesh size selection differed significantly, with smaller meshes more frequently used in the da Vinci SP group (<i>p</i> < 0.001). Postoperative outcomes, including length of hospital stay, overall complication rates, chronic pain, and recurrence, were similar between the groups. No major complications, readmissions, or reoperations were observed.</p><p><strong>Conclusion: </strong>Articulated instrument-assisted TEP inguinal hernia repair demonstrated a significantly shorter operative time than da Vinci SP-assisted repair, while perioperative safety and postoperative outcomes were comparable.</p>","PeriodicalId":73832,"journal":{"name":"Journal of minimally invasive surgery","volume":"29 1","pages":"3-10"},"PeriodicalIF":0.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13006757/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147476244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Reduced port robotic cholecystectomy using the Revo-i single-site plus ONE port approach: a case series with video.","authors":"Su Hyung Park, Chang Moo Kang","doi":"10.7602/jmis.2026.29.1.54","DOIUrl":"10.7602/jmis.2026.29.1.54","url":null,"abstract":"<p><p>This study evaluated the initial feasibility and safety of reduced-port robotic cholecystectomy using the Revo-i robotic system (meerecompany Inc.) in nine patients diagnosed with symptomatic gallstones and chronic cholecystitis. All surgeries were successfully completed without complications or conversion to conventional methods. Postoperative outcomes were excellent, with minimal pain immediately after surgery, significantly reduced by the next day. Most patients were discharged on postoperative day one. Cosmetic outcomes were outstanding, with barely noticeable scars at the umbilical and flank port sites. These findings demonstrate that Revo-i robotic cholecystectomy is technically feasible, safe, and patient-friendly, suggesting potential for broader application in hepatobiliary and pancreatic surgeries.</p>","PeriodicalId":73832,"journal":{"name":"Journal of minimally invasive surgery","volume":"29 1","pages":"54-58"},"PeriodicalIF":0.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13006762/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147476400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Robotic single-port plus one assist port splenectomy in an adult: a case report with video.","authors":"Su Hyung Park, Sung Hyun Kim, Chang Moo Kang","doi":"10.7602/jmis.2025.28.4.209","DOIUrl":"10.7602/jmis.2025.28.4.209","url":null,"abstract":"<p><p>Minimally invasive techniques are increasingly used in hepatobiliary and pancreatic surgeries, but robotic single-port (SP) splenectomy remains uncommon due to the rarity of splenic diseases. We present a case of a 57-year-old woman with left upper quadrant pain and a 4.3-cm splenic mass suggestive of hamartoma. Due to persistent symptoms and cosmetic concerns, robotic SP splenectomy was performed using the da Vinci SP system (Intuitive Surgical, Inc.) via a transumbilical incision, with an additional assist port in the left abdomen. The procedure lasted 264 minutes with minimal blood loss, and the patient was discharged without complications on postoperative day 9. Histopathology confirmed a splenic hamartoma. This case highlights the feasibility and safety of robotic SP splenectomy in adults, suggesting potential for wider application with further experience and refinement.</p>","PeriodicalId":73832,"journal":{"name":"Journal of minimally invasive surgery","volume":"28 4","pages":"209-212"},"PeriodicalIF":0.0,"publicationDate":"2025-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12715284/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145764683","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}