Publications by authors named "Bor-Ching Sheu"

Article Synopsis
  • Dienogest is an effective long-term treatment for pelvic pain caused by endometriosis, but Taiwan lacks a tailored consensus on its use.
  • Taiwanese experts, in collaboration with the Taiwan Endometriosis Society, developed structured recommendations for administering and monitoring dienogest.
  • They recommend ongoing treatment for symptom control, regular ultrasounds and blood tests for monitoring, and additional breast screenings for high-risk patients to enhance safety and treatment outcomes.
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Article Synopsis
  • * A total of 1,886 women were analyzed, revealing that 10% had DU and 4.1% had BOO, with positive voiding dysfunction (VD) symptoms being significant indicators for BOO.
  • * The research suggested that a non-invasive uroflowmetry measuring a voided volume of 220 mL or less, combined with the presence of VD symptoms, can effectively predict BOO, while both age and voided volume can predict DU.
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Proteinuria is a common adverse event arising from treatment with bevacizumab, requiring diagnostic testing via 24-h urine collection. However, this method is cumbersome. We assessed urine screenings in gynecologic cancer patients from February 2021 to May 2022.

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Background: Preoperative evaluation is important, and this study explored the application of machine learning methods for anesthetic risk classification and the evaluation of the contributions of various factors. To minimize the effects of confounding variables during model training, we used a homogenous group with similar physiological states and ages undergoing similar pelvic organ-related procedures not involving malignancies.

Objective: Data on women of reproductive age (age 20-50 years) who underwent gestational or gynecological surgery between January 1, 2017, and December 31, 2021, were obtained from the National Taiwan University Hospital Integrated Medical Database.

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Objective: We describe a rare case of uterine mesothelial cysts mimicking ovarian cysts in a primipara patient with a history of Cesarean section.

Case Report: A 39-year-old female patient with history of Cesarean section presented with dysmenorrhea. Sonography revealed that a hypoechoic and anechoic multicystic complex, which was located on the right side of the pelvic cavity, had infiltrated the adjacent posterior wall of the uterus, and it was preoperatively misdiagnosed as ovarian cysts with suspected endometrioma.

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Background: T cell receptor (TCR) signaling and T cell activation are tightly regulated by gatekeepers to maintain immune tolerance and avoid autoimmunity. The TRAIL receptor (TRAIL-R) is a TNF-family death receptor that transduces apoptotic signals to induce cell death. Recent studies have indicated that TRAIL-R regulates T cell-mediated immune responses by directly inhibiting T cell activation without inducing apoptosis; however, the distinct signaling pathway that regulates T cell activation remains unclear.

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Leukocyte cell-derived chemotaxin 2 (LECT2) is a multifunctional cytokine that can bind to several receptors and mediate distinct molecular pathways in various cell settings. Changing levels of LECT2 have been implicated in multiple human disease states, including cancers. Here, we have demonstrated reduced serum levels of LECT2 in patients with epithelial ovarian cancer (EOC) and down-regulated circulating Lect2 as the disease progresses in a syngeneic mouse ID8 EOC model.

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This study examined treatment outcomes, including preserved fertility, menstrual regularity, and pregnancy outcomes, in patients with stage I epithelial ovarian cancer (EOC) or borderline ovarian tumors (BOTs) who underwent fertility-sparing surgery (FSS). Patients with stage I EOC and BOTs who were aged 18-45 years and underwent FSS between 2007 and 2022 were retrospectively reviewed. Significant differences between various subgroups in terms of disease recurrence, menstrual irregularity due to the disease, and pregnancy outcomes were analyzed.

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Objective: The size of the adnexal cyst is a limitation to perform laparoscopic adnexal surgery. Large adnexal cysts may constrain the surgery space and may increase the risk of inadvertent cyst rupture during the surgery. Here, we offer a method to solve the difficulty in laparoscopic management of large adnexal cysts.

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Objective: To demonstrate a successful surgical treatment and reconstruction in a case of malignant mucosal vulvar melanoma.

Case Report: A 52-year-old woman had stage II bulky malignant mucosal vulvar melanoma and received wide surgical excision with partial vulvectomy. She underwent 2-steps reconstructive vulvoplasty and vaginoplasty with skin grafting 1 year after initial surgical treatment.

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Ovarian clear cell carcinoma (OCCC) is a distinct histotype of ovarian cancer, which usually presages a worse prognosis upon recurrence. Identifying patients at risk for relapse is an unmet need to improve outcomes. A retrospective cohort analysis of 195 early-stage OCCC patients diagnosed between January 2011 and December 2019 at National Taiwan University Hospital was conducted to identify prognostic factors for recurrence, progression-free survival (PFS) and overall survival (OS).

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Adnexal masses are common in pregnancy, with 2-10% of pregnancies presenting with an ovarian mass and approximately 1-6% of these masses being malignant. For suspected malignancy or masses with symptoms, surgery must be performed as early as possible. We retrospectively investigated the effect of two-port laparoscopic surgery on the outcomes of patients with concurrent adnexal masses between 2012 and 2019 (including large mucinous tumor, large teratoma, serous borderline tumor, and heterotopic pregnancy).

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Background: To enhance tutors' teaching skills, tutor shadowing for novice tutors of problem-based learning (PBL) in addition to conventional faculty development (FD) was applied. This study aimed to develop a tutoring-skill scale (TS-scale) and evaluate the effect of shadowing on PBL tutors.

Methods: This study employed a before-and-after study design with three phases.

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Background: Ovarian clear cell carcinoma (OCCC) is the most common endometriosis-associated ovarian cancer. Ovarian endometriosis may present with atypical or malignant sonographic features and interfere with clinical judgment about whether definitive surgical intervention is required.

Objective: To compare the characteristics of endometrioma with atypical features and OCCC.

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Purpose: To evaluate the perioperative outcome of laparoendoscopic two-site myomectomy (LETS-M).

Methods: The medical records of 204 women receiving LETS-M in a tertiary referral center, including 183 surgeries performed by the experienced surgeon and 21 surgeries performed by 3 well-supervised trainees were retrospectively reviewed.

Results: The age of the participants was 39.

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Women who underwent vaginal pelvic reconstructive surgery with or without mesh consecutively between 2004 and 2018 were retrospectively analyzed to determine the learning curve in vaginal pelvic reconstructive surgery. With cumulative summation (CUSUM) analysis of surgical failure and operation time, we assessed the learning curve of vaginal pelvic reconstructive surgery, including sacrospinous ligament fixation, anterior colporrhaphy, posterior colporrhaphy, and optional vaginal hysterectomy with or without mesh placement. The study is based on two individual surgeons who performed vaginal pelvic reconstructive surgery with or without mesh.

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Background: Online video-based learning is more common in higher education. Investigating students' viewing behaviors while watching online video lectures is essential for instructors to understand their learning status so that the course content, structure, and media selection can be improved continuously. The current study identified the engagement level of the learners based on their online video-watching behaviors, and tested the correlation between the engagement level and learning outcome.

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Digital problem-based learning (PBL) was originally introduced as a means to improve student engagement and increase flexibility. However, its use becomes mandatory during the coronavirus disease 2019 (COVID-19) period, accelerating changes in medical education. Few elaborated on the implementation details of digital PBL curricula.

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The optimal adjuvant treatment for stage IB endometrial cancer remains undefined. We investigated the benefit of modern adjuvant radiotherapy for women with stage IB endometrial cancer. We retrospectively reviewed patients with surgically staged, pure stage IB endometrioid adenocarcinoma (2010 to 2018).

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Single incision laparoscopic surgery (SILS) has emerged as least invasive interventions for gynecologic disease. However, SILS is slow to gain in popularity due to difficulties in triangulation and instrument crowding. Besides, the costly instruments may influence patients' will to have this procedure, and limit other medical expense as well.

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Minimally invasive surgery is the first-line management for endometrial cancer. The role of 2-port access laparoscopy (TPA) has been underestimated. Compared to conventional laparoscopic surgery (CL), TPA is associated with smaller total incision size and less postoperative pain.

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Purpose: Vaginal cuff dehiscence with evisceration was defined as expulsion of intraperitoneal organs through the separated incision. Prolapsed epiploica of the colon is a rare complication after hysterectomy. The most common organ to prolapsed out from the dehiscence vaginal cuff is terminal ileum.

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