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Introduction This study compares the perioperative results, aesthetic outcome and oncologic safety of single-port insufflation endoscopic nipple-sparing subcutaneous mastectomy combined with immediate reconstruction using prosthesis implantation (SIE-NSM-IRPI) with those of conventional open-nipple and areola-sparing subcutaneous mastectomy combined with immediate reconstruction using prosthesis implantation (C-NSM-IRPI). Methods In this retrospective cohort study, 64 early-stage breast cancer patients were divided into SIE-NSM-IRPI (n = 38) and C-NSM-IRPI (n = 26) groups. Perioperative results (operation time, intraoperative blood loss, incision length, drainage duration, and recent complications) were then compared between the two groups. Differences in satisfaction with the breasts, psychosocial well-being, physical well-being (chest) and sexual well-being were analyzed according to the BREAST-Q scale, and survival outcomes were also compared. Results The median follow-up time was 51.5 months. The incision length of SIE-NSM-IRPI was shorter than that of C-NSM-IRPI (P P = 0.780). The incidence of prosthesis removal due to infection or prosthesis exposure in the SIE-NSM-IRPI group was lower than that in the C-NSM-IRPI group (P = 0.015). Satisfaction with breasts (82.00vs.59.00, P P = 0.001) and physical well-being (chest) (89.00vs.82.00, P Conclusion In this selected cohort of patients with early breast cancer, SIE-NSM-IRPI was comparable to C-NSM-IRPI, considering oncologic safety and detection of sentinel lymph nodes. It had a lower incidence of prosthesis removal, shorter incision length, and was associated with better patient satisfaction with the breasts. More random clinical trials of this novel approach in a larger cohort of Chinese patients with an extended follow-up period are needed in the future.

PurposeTo compare the oncologic safety, aesthetic outcome, and upper extremity function of single-port insufflation endoscopic nipple-sparing mastectomy (SIE-NSM) vs conventional open mastectomy (C-OM) in the treatment of early breast cancer. Methods In this retrospective cohort study, 285 stage I and II breast cancer patients were divided into the SIE-NSM group (n = 71) and the C-OM group (n = 214). Local recurrence, distant metastasis, and upper extremity function were compared. Differences in the aesthetic outcome, psychosocial well-being, and sexual well-being were analyzed by the BREAST-Q scale. Multivariable binary logistic regression was conducted to assess the risk of local recurrence. The multivariable linear regression model was performed to evaluate the upper extremity function and the aesthetic outcome.Results Local recurrence rates were similar (p = 0.735), which was also shown by multivariable binary logistic regression analysis. No distant metastases were observed in either group. Satisfaction with breasts, chest well-being, psychosocial well-being, and sexual well-being scores were superior in the SIE-NSM group (p < 0.001). Chest wall/breast pain, shoulder range of motion, and use of arm in daily life was better for the patients in the SIE-NSM group (p < 0.001). There were no cases of subcutaneous effusion in the SIE-NSM group, while the incidence rate of subcutaneous effusion in the C-OM group was 10.7% (p = 0.004). ConclusionsSIE-NSM is comparable to C-OM in oncologic safety while increasing satisfaction with breasts, physical well-being, psychosocial well-being, sexual well-being, and upper extremity function. This novel method is an appropriate surgical option for early breast cancer treatment.

PurposeIndocyanine green (ICG) is an efficient tracer method used in sentinel lymph node biopsy (SLNB). The application of single-port endoscopic-assisted technology in the field of breast cancer is widely accepted. In order to explore the surgical safety of single-port endoscopic-SLNB (SPE-SLNB) and the reliability of axillary staging, we combined it with ICG that was excited by near-infrared fluorescence endoscopy and carbon nanoparticles (CN) as a tracer and compared this method to conventional open SLNB (C-SLNB).MethodsSixty patients with early breast cancer were recruited and divided into three groups. Twenty patients who underwent SPE-SLNB combined with ICG and CNs were placed in group A. Twenty patients who underwent SPE-SLNB with CNs only were placed in group B. Twenty patients who underwent C-SLNB with ICG and CNs were placed in group C.ResultsThe detection rate of SLNs was 100% in group A, 100% in group B, and 95% in group C. In total, 97 SLNs were detected in group A, 65 SLNs were detected in group B, and 98 SLNs were detected in group C . ConclusionThe novel technique of combining ICG and CNs with SPE-SLNB and the utilization of the endoscopic fluorescence imaging system achieved the same detection rate and mean number of SLNs as C-SLNB. Therefore, for patients who meet the indications, SPE-SLNB is as safe and reliable as C-SLNB.

The application of laparoscopic technology to liver surgery has been developing rapidly, yet very few studies have been conducted to compare the outcomes between open and laparoscopic liver resections. So little is known about their advantages and disadvantages. The aim of this prospective randomized study was to compare the outcomes between laparoscopic and open liver resection in treatment of hepatolithiasis within the left lateral lobes.Between January 2010 and May 2013, 98 patients with hepatolithiasis within the left lateral lobes diagnosed by preoperative computed tomography and magnetic resonance cholangiopancreatography were randomized into open group and laparoscopic group. Each group had 49 patients. We compared the operation time, the amount of bleeding, the length of their stay in hospital, and complications.Of the laparoscopic group, 2 patients were converted to open surgery. No fatal complication occurred in either the open group or the laparoscopic group. There was no statistically significant difference in the complications between the 2 groups (4.08% vs. 6.12%, P=0.64), but the operating time, the amount of bleeding, and the length of stay in hospital were significantly shorter in the laparoscopic group than in the open group (P0.05).Laparoscopic liver resection displays similar safety and feasibility for hepatolithiasis within the left lateral lobes, and they were also similar with respect to the overall complications, but the laparoscopic group has an advantage in the operating time, the amount of bleeding, and the length of their staying in hospital. It is, however, agreed between the authors of this paper that further studies with larger number of patients and longer follow-up observations are necessary to make a definitive conclusion.

AIM: To determine the efficacy and safety benefits of performing intraoperative cholangiography (IOC) during laparoscopic cholecystectomy (LC) to treat symptomatic cholelithiasis. METHODS: Patients admitted to the Minimally Invasive Surgery Center of Tianjin Nankai Hospital between January 2012 and January 2014 for management of symptomatic cholelithiasis were recruited for this prospective randomized trial. Study enrollment was offered to patients with clinical presentation of biliary colic symptoms, radiological findings suggestive of gallstones, and normal serum biochemistry results. Study participants were randomized to receive either routine LC treatment or LC + IOC treatment. The routine LC procedure was carried out using the standard four-port technique; the LC + IOC procedure was carried out with the addition of meglumine diatrizoate (1:1 dilution with normal saline) injection via a catheter introduced through a small incision in the cystic duct made by laparoscopic scissors. Operative data and postoperative outcomes, including operative time, retained common bile duct (CBD) stones, CBD injury, other complications and length of hospital stay, were recorded for comparative analysis. Inter-group differences were statistically assessed by the χ2 test (categorical variables) and Fisher’s exact test (binary variables), with the threshold for statistical significance set at P < 0.05. RESULTS: A total of 371 patients were enrolled in the trial (late-adolescent to adult, age range: 16-70 years), with 185 assigned to the routine LC group and 186 to the LC + IOC group. The two treatment groups were similar in age, sex, body mass index, duration of symptomology, number and size of gallstones, and clinical symptoms. The two treatment groups also showed no significant differences in the rates of successful LC (98.38% vs 97.85%), CBD stone retainment (0.54% vs 0.00%), CBD injury (0.54% vs 0.53%) and other complications (2.16% vs 2.15%), as well as in duration of hospital stay (5.10 ± 1.41 d vs 4.99 ± 1.53 d). However, the LC + IOC treatment group showed significantly longer mean operative time (routine LC group: 43.00 ± 4.15 min vs 52.86 ± 4.47 min, P < 0.01). There were no cases of fatal complications in either group. At the one-year follow-up assessment, one patient in the routine LC group reported experiencing diarrhea for three months after the LC and one patient in the LC + IOC group reported on-going intermittent epigastric discomfort, but radiological examination provided no abnormal findings. CONCLUSION: IOC addition to the routine LC treatment of symptomatic cholelithiasis does not improve rates of CBD stone retainment or bile duct injury but lengthens operative time.