Publications by authors named "Chia Yin Nin"

Objective: The aim of this study was to evaluate the role of secondary cytoreductive surgery in Asian patients with recurrent ovarian cancer and to assess prognostic variables on overall post-recurrence survival time.

Methods: We conducted a retrospective review of patients with recurrent ovarian cancer who underwent secondary cytoreduction at the Gynaecological Cancer Center at the KK Women's and Children's Hospital, Singapore, between 1999 and 2009. Eligible patients included those who had been firstly treated by primary cytoreductive surgery and followed by adjuvant chemotherapy and had a period of clinical remission of at least six months and subsequently underwent secondary cytoreductive surgery for recurrence.

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Introduction: For many decades, Wertheim's radical hysterectomy via laparotomy, also known as Wertheim's radical abdominal hysterectomy (RAH), has been the traditional surgical approach for operable stage IB cervical cancer. However, many established cancer centres worldwide have recently shown total laparoscopic Wertheim's radical hysterectomy (TLRH) to be a safe and feasible alternative to the conventional abdominal route for early cervical cancer management. This technique was introduced in Singapore in 2009.

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We report the first case of radical abdominal trachelectomy (RAT) and bilateral pelvic lymphadenectomy performed in Singapore, which was performed for a 35-year-old woman with stage IB1 cervical cancer, and review the current literature on this novel fertility-sparing surgery. Radical hysterectomy and pelvic lymphadenectomy are the conventional treatment for stage IB1 cervical cancer, but this results in the loss of fertility. However, the last 20 years have seen the development of fertility-sparing surgeries for young women with early-stage cervical cancer.

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Mucinous epithelial ovarian cancer has a poor prognosis in the advanced stages and responds poorly to conventional chemotherapy. We aim to elucidate the clinicopathological factors and incidence of HER2 expression of this cancer in a large Asian retrospective cohort from Singapore. Of a total of 133 cases, the median age at diagnosis was 48.

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Objective: To report on the diagnosis and management of Müllerian adenosarcoma of the uterine cervix at a gynecologic oncology unit in Singapore.

Methods: Nine cases (1992-2008) were identified from the unit registry. All hospital records were retrospectively analyzed.

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A 30-year-old single woman presented with an incidental finding of abdominal mass associated with severe constipation. Her cancer antigen-25, alpha-foetoprotein and beta human chorionic gonadotropin levels were normal, but her carcinoembryonic antigen level was raised at 7.6 g/dL.

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Background: In 2008, the Federation of Gynecology and Obstetrics (FIGO) revised their 1988 staging system for uterine leiomyosarcomas. In this article, we compare performance of the 2008 and 1988 FIGO systems.

Methods: Individual case data were manually culled.

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Aim: To evaluate the clinicopathological features, management, survival and prognostic factors of patients with Sertoli-Leydig cell tumors of the ovary (SLCT) managed at a single institution.

Material And Methods: The clinical records of patients with Sertoli-Leydig cell tumors of the ovary managed at the KK Women's and Children's Hospital, Singapore, between October 1998 and December 2008 were reviewed. Data of pathological features, treatment given and progress on follow-up was studied.

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Objective: Synchronous occurrence of endometrial and ovarian tumors is uncommon, and they affect less than 10% of women with endometrial or ovarian cancers. The aim of this study is to describe the epidemiological and clinical factors; and survival outcomes of women with these cancers.

Methods: This is a retrospective cohort study in a large tertiary institution in Singapore.

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Objective: It is our standard of care to include pelvic lymph node dissection (PLND) in the staging of endometrial cancer, followed by adjuvant vaginal vault brachytherapy. We report our experience and outcome of patients with stage 1C grade 3 endometrial cancer from KK Hospital Singapore.

Methods: Records of patients with a diagnosis of stage 1C grade 3 endometrial cancer (based on the 1988 FIGO [International Federation of Gynecology and Obstetrics] staging system) from 1995 to 2008 were retrospectively reviewed.

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This workshop was held on July 31-August 1, 2010 and was organized to promote the academic environment and to enhance the communication among Asian countries prior to the 2nd biennial meeting of Australian Society of Gynaecologic Oncologists (ASGO), which will be held on November 3-5, 2011. We summarized the whole contents presented at the workshop. Regarding cervical cancer screening in Asia, particularly in low resource settings, and an update on human papillomavirus (HPV) vaccination was described for prevention and radical surgery overview, fertility sparing and less radical surgery, nerve sparing radical surgery and primary chemoradiotherapy in locally advanced cervical cancer, were discussed for management.

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Introduction: Advanced age, deep myoinvasion, whole cavity or lower uterine segment tumors, poor differentiation, and lymphovascular space invasion are known to increase recurrence risk and adversely affect survival in stage I endometrioid adenocarcinoma of the uterus.

Objectives: To ascertain survival rates, failure patterns, and salvageability and to correlate adverse histopathologic effects to recurrences in these patients.

Methods: Data of 162 patients with surgical stage I endometrioid adenocarcinoma of the uterus with an increased risk of recurrence were reviewed from the year 1997 to 2008 at KK Gynaecological Cancer Centre, Singapore.

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Article Synopsis
  • This study analyzed the survival outcomes and failure patterns in 120 patients with locally advanced cervical cancer treated with high-dose rate brachytherapy and cisplatin-based chemoradiotherapy from 1999 to 2005.
  • The 5-year overall survival rate was 65%, while the disease-free survival rate was 57.3%, with most recurrences occurring at distant sites.
  • Significant factors impacting survival included low hemoglobin levels and tumor size, highlighting the need for further research on the safety of this treatment combination and the importance of imaging for assessing prognosis.
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Endometrial cancer is one of the gynaecological cancers that carries good overall prognosis because it is often detected at early stages of disease. The International Federation of Gynecology and Obstetrics replaced clinical staging with surgical staging in 1988 and updated the system in 2009. Controversies remain regarding the recommended screening protocol for women with a high risk of endometrial cancer, the role and benefit of retroperitoneal lymph-node dissection, the necessity of ovarian resection, the benefit and type of adjuvant radiation therapy, and the safety of hormone-replacement therapy after treatment.

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Background: Triage of ovarian masses for appropriate management is important in ensuring the best outcome for patients. The Risk of Malignancy Indices (RMI) seem to represent a low cost and effective tool for triage and management of women with ovarian masses.

Aim: To review patients with an ovarian mass referred to the Gynaecological Cancer Centre at the Royal Hospital for Women, and to assess the effectiveness of the RMI in differentiating benign from malignant tumours in this group of patients.

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