Bor-Ching Sheu's research while affiliated with National Taiwan University and other places

Publications (141)

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Simple Summary Although fertility sparing surgery (FSS) may be a favorable surgical option for young women with early-stage borderline ovarian tumors (BOTs) or epithelial ovarian cancer (EOC) who wish to preserve their fertility, there still possessed risks of recurrence and disease progression during follow-up. The purpose of this retrospective ar...
Article
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. Materials and methods: Th...
Article
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 U...
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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...
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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 pat...
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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 des...
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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 a...
Article
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 ag...
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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...
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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 engagemen...
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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. Technical guidan...
Preprint
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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...
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Simple Summary Endometrial cancer is the most common cancers of the female genital tract. However, the optimal adjuvant treatment for stage IB endometrial cancer is not well-defined. We aimed to study the benefit of modern adjuvant radiotherapy for women with stage IB endometrial cancer. We found that adjuvant external-beam radiotherapy significant...
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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. To op...
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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. Compared to single-incision laparoscopic surgery, no specific instrum...
Preprint
Full-text available
We aim to evaluate the surgical outcome of laparoendoscopic two-site myomectomy (LETS-M). 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. The age of the participants wa...
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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. We reported the first known case of prolapsed ep...
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Sacrospinous ligament fixation (SSLF) is one of the most utilized surgeries in the management of pelvic organ prolapse (POP). We conducted a large-series study of SSLF in a tertiary center by an experienced urogynecologic team. The 453 women with POP who underwent SSLF at National Taiwan University Hospital in the period from 2002 to 2015 are revie...
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Epithelial ovarian cancer (EOC) is the most lethal of all gynecologic malignancies. Despite advances in surgical and chemotherapeutic options, most patients with advanced EOC have a relapse within three years of diagnosis. Unfortunately, recurrent disease is generally not curable. Recent advances in maintenance therapy with anti-angiogenic agents o...
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This study compared uterine wound healing after robot-assisted laparoscopic myomectomy (RM) and laparoscopic myomectomy (LM). Ultrasound was used to evaluate the scar repair of uterine wounds at 1, 3, and 6 months postoperatively. Ninety-three RM and 110 LM patients were enrolled. More myomas excised using RM were type 1∼type 3(51.1%) and more myom...
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Objective During the vaginal steps of laparoscopic-assisted vaginal hysterectomy (LAVH), excessive bleeding occurs if the vascular pedicles are not securely clamped. Accordingly, this study investigates if an advanced bipolar sealing device (PlasmaKinetics [PK] Sealer), compared to conventional sutures, could improve the efficacy and safety in the...
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Rationale: Rare uterine choriocarcinoma can be differentiated gestational from nongestational choriocarcinoma by using short tandem repeats (STRs). Patient concerns: A 56-year-old Taiwanese woman underwent staging surgery because of suspicion of high-grade endometrial cancer. The pathology-confirmed uterine tumor with syncytiotrophoblasts and de...
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Objective: To report a single surgeon's experience with 109 laparoendoscopic single-site myomectomy (LESS-M) using conventional laparoscopic instruments and a homemade glove port system. Materials and methods: A total of 109 consecutive women who underwent LESS-M between March 2011 and April 2015 were reviewed. Results: The mean age and body m...
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Objective: Radical trachelectomy (RT) is an alternative treatment for preserving fertility in patients with cervical cancer. Because women with operable cervical cancer opting for fertility preservation are scarce, few cases have been reported in Taiwan. Here we report our cases series. Materials and Methods: We retrospectively evaluated seven pati...
Article
Study objective: Intraligamental myomas (IM) represents 6% to 10% of all uterine myomas. An IM growing from the lateral uterine wall into the broad ligament often presents as a large pelvic mass without symptoms. Removing a large IM can be difficult because of the limited operative field and pose challenges during conventional laparoscopic surgica...
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Objective: Although laparoscopic surgery is widely utilized in the treatment of endometrial cancer, its efficacy in staging the cancer is not well established. The aim of this study was to compare staging endometrial cancer with laparoscopic and conventional open methods. Materials and Methods: From January 2002 to June 2012, 151 patients (70 treat...
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This paper proposes an effective approach to distinguish whether samples include Human Papilloma virus type-16 (HPV16) by Atomic force microscopy (AFM). AFM is an important instrument in nanobiotechnology field. At first we identified the HPV16 by Polymerase chain reaction (PCR) analysis and Western blotting from specimen of the HPV patient (E12) a...
Article
Paclitaxel is used as an adjuvant to enhance the effectiveness of ionization radiation therapy; however, high-energy radiation often damages the healthy cells surrounding cancer cells. Low-energy, middle-infrared radiation (MIR) has been shown to prevent tissue damage, and recent studies have begun combining MIR with paclitaxel. However, the cytoto...
Article
Paclitaxel is used as an adjuvant to enhance the effectiveness of ionization radiation therapy; however, high-energy radiation often damages the healthy cells surrounding cancer cells. Low-energy, middle-infrared radiation (MIR) has been shown to prevent tissue damage, and recent studies have begun combining MIR with paclitaxel. However, the cytoto...
Article
Objective: To determine the functional attributes of CD4 CD25 regulatory T (Treg) cells by suppressing natural killer (NK) cell activity in human cervical cancer (CC). Methods: Triple-color flow cytometry was used to study the phenotypic expression of CD4 CD25 Treg cells and NK cells in the peripheral blood lymphocytes (PBLs) and tumor-infiltrat...
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Heavy menstrual bleeding, or menorrhagia, is subjectively defined as a “complaint of a large amount of bleeding during menstrual cycles that occurs over several consecutive cycles” and is objectively defined as menstrual blood loss of more than 80 mL per cycle that is associated with an anemia status (defined as a hemoglobin level of <10 g/dL). Dur...
Article
Paclitaxel is used as an adjuvant to enhance the effectiveness of ionization radiation therapy; however, high-energy radiation often damages the healthy cells surrounding cancer cells. Low-energy, middle-infrared radiation (MIR) has been shown to prevent tissue damage, and recent studies have begun combining MIR with paclitaxel. However, the cytoto...
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To evaluate the efficacy of gonadotropin-releasing hormone analogue (GnRHa) use before laparoscopic myomectomy (LM) in large myomas. Prospective study (Canadian Task Force classification II-1). University-affiliated hospital. Ninety-one women with large myomas (size≥10 cm) or more than two myomas≥5 cm in size underwent LM between July 2011 and Marc...
Article
PurposeTo evaluate the correlation between maximum standardized uptake value (SUVmax) and minimum apparent diffusion coefficient (ADCmin) of endometrial cancer derived from an integrated positron emission tomography / magnetic resonance (PET/MR) system and to determine their correlation with pathological prognostic factors.Materials and Methods Thi...
Patent
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Embodiments of the present disclosure set forth a biosensor for detecting a target. One example sensor includes a first electrode. The first electrode includes a first electron conducting molecule and a first probe. The first probe includes a second electron conducting molecule. The first probe is configured to bind to the target of interest in sol...
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To evaluate the efficacy of laparoscopic uterine artery ligation (LUAL) before in situ morcellation (ISM) compared with ISM alone. Prospective study (Canadian Task Force classification II-1). University-affiliated hospital. One hundred forty-four women with symptomatic uterine myomas, of whom 45 underwent LUAL and ISM and 99 underwent ISM only, fro...
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Cancer cells reportedly have the ability to escape from the immune system, mainly from natural killer (NK) cells. Although the real mechanisms are complicated, some inhibitors that are secreted from the cancer cells might play an important role. This study's aim was to investigate the potential mediator released by cancer cells (HeLa) that contribu...
Article
Regulatory T (Treg) cells are a subpopulation of T cells with the ability to control the responses of both CD4+ and CD8+ T cells. A case-control study was conducted in order to determine the functional attributes of Treg cells within the breast cancer milieu. Triple-color flow cytometry was utilized to study the phenotype expression of CD4+CD25+ Tr...
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To determine the optimal surgical approach for laparoscopic uterine artery ligation (LUAL) combined with myomectomy in the management of women with symptomatic uterine fibroids. This is a prospective study. One hundred and six women with symptomatic uterine myomas underwent LUAL + laparoscopic morcellation after enucleation (enucleation group) (n =...
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To develop a regression-based prediction equation for operative time and estimated blood loss in laparoscopically assisted vaginal hysterectomy (LAVH) for large uteri, as required, by combined laparoscopic in situ and vaginal morcellation. Prospective study (Canadian Task Force classification II-1). University-affiliated hospitals. Fifty-six patien...
Article
A study was carried out to determine the functional attributes of CD4(+) CD25(+) regulatory T cells in cancer progression by suppressing antitumor immunity. Triple-color flow cytometry was used to study the phenotype expression of CD4(+) CD25(+) regulatory T cells and CD8(+) T cells in the peripheral blood lymphocytes (PBLs) and tumor-infiltrating...
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To compare the feasibility, operative time, specimen retrieval time, and effect on postoperative pain of laparoscopic retrieval of benign adnexal masses between a 10-mm transumbilical and a 10-mm transabdominal port. Fifty women with adnexal masses who were scheduled for a laparoscopic procedure between July 2008 and April 2009 were enrolled. The p...
Article
We describe a technique for laparoscopically assisted extracorporeal cystectomy or adnexectomy of large adnexal cysts without spillage of the cyst contents. At open laparoscopy, a suction tube decompressed the adnexal cyst from the 2-cm umbilical incision and the puncture hole was closed by the purse string tie, which was followed by extra-corporea...
Article
Emerging evidence indicates that the conformation of C-reactive protein (CRP) plays important roles in human inflammation and cardiovascular disease (CVD). The different conformations in the structure of CRP under different pH conditions remain an important issue to be investigated for explaining various functions of CRP under certain physiologic a...
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The product and direct role of the rssC gene of Serratia marcescens is unknown. For unraveling the role of the rssC gene, atomic force microscopy has been used to identify the surfaces of intact S. marcescens wild-type CH-1 cells and rssC mutant CH-1ΔC cells. The detailed surface topographies were directly visualized, and quantitative measurements...
Article
To evaluate the clinical outcome of sacrospinous fixation (SSF) using the Veronikis ligature carrier (VLC) for genital prolapse. A retrospective longitudinal study was performed. From December 2003 through June 2008, SSF was performed in 76 patients using the VLC as part of their site-specific reconstructive pelvic surgery. All patients were follow...
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To evaluate the outcome of myoma enucleation by morcellation while it is attached to the uterus (in situ morcellation) in laparoscopic myomectomy. A total of 82 patients diagnosed with myoma or adenomyosis in 2007 were enrolled. The patients were divided into three groups according to the myoma weight. The operative time, myoma weight, blood loss,...
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The role of laparoscopic surgery in the management of gynecological cancers continues to expand. For early-stage cervical cancer, laparoscopically assisted radical vaginal hysterectomy is feasible, and radical vaginal trachelectomy with laparoscopic pelvic lymphadenectomy has emerged as a safe option for women who desire fertility preservation. In...
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To evaluate a strategy of laparoscopic excision of a cervical myoma (CM). Prospective study. University-affiliated hospital. Twenty-eight patients with CM underwent laparoscopic myomectomy. These cases were classified into five types according to the location: [1] anterior cervical myoma (ACM); [2] posterior cervical myoma (PCM); [3] central cervic...
Article
The purpose of the study was to evaluate the efficacy of postoperative transvaginal tape mobilization (TM) in treating urinary retention after tension-free vaginal tape (TVT) procedures. A 3-0 Vicryl loop was made at the midpoint of the vaginal tape for tension adjustment. If urinary retention occurred postoperatively, TM was applied in the ward un...
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Extensive adenomyosis (adenomyosis) or its variance, localized adenomyosis (adenomyoma) of the uterus, is often described as scattered, widely-distributed endometrial glands or stromal tissue found throughout the myometrium layer of the uterus. By definition, adenomyosis consists of epithelial as well as stromal elements, and is situated at least 2...
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With improvements in immunosuppression and surgical techniques, more women are undergoing kidney transplantation (KT) for management of end-stage renal disease. Location of the transplanted pelvic kidney and transplanted ureter must be taken into consideration when performing pelvic surgery. We demonstrate that laparoscopically assisted vaginal hys...
Article
The extracellular matrix proteases act in diverse physiological and pathological processes involving tumor growth, angiogenesis, and pregnancy through the cleavage of extracellular matrix (ECM) and non-matrix proteinaceous substrates. Matrix metalloproteinases (MMPs) constitute a main family among the ECM proteases. Endogenous tissue inhibitors of...
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To evaluate differences in uterine perfusion following laparoscopic myomectomy with or without uterine artery ligation (UAL). From November 2005 to July 2007, we enrolled prospectively 105 women with symptomatic myomas who were scheduled to undergo laparoscopic myomectomy (57 with UAL (study group) and 48 without (control group)). Power Doppler ult...
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Ascites is a pathologic accumulation of fluid within the peritoneal cavity, and usually develops as a result of liver disease, congestive heart failure or nephrotic syndrome. Ascites is also a common manifestation of some gynecologic diseases. It is important that health care workers consider gynecologic problems among the potential differential di...
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To investigate the clinical significance of tumor-infiltrating lymphocytes (TILs) within the tumor milieu, we quantitatively measured and compared the subpopulations of TILs in 24 patients with stage I-III breast carcinoma. Peripheral blood mononuclear cells (PBMCs), normal breast parenchyma-infiltrating lymphocytes (NILs), and TILs were isolated f...
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To evaluate vascular perfusion and uterine healing after laparoscopic myomectomy using three-dimensional power Doppler ultrasound (3D-PDU). Prospective study. University-affiliated hospital. Ninety-seven women with symptomatic myomas warranting laparoscopic myomectomy. Three-dimensional PDU obtained preoperatively and 1 week and 3 months postoperat...
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Squamous cell carcinoma (SCC) arising from a mature cystic teratoma of the ovary is rare and only reported sporadically. Clinical information on the disease is limited. This study assesses the clinical characteristics, treatment, outcome and prognostic factors of reported cases. Two hundred and twenty cases from 1976 through to 2005 in MEDLINE were...
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To estimate whether laparoscopic in situ morcellation (LISM) can facilitate laparoscopic-assisted vaginal hys