Chel Hun Choi

Background and Objectives: Hysterectomy is a common non-obstetric procedure. Minimally invasive techniques, such as laparoscopy and robot-assisted surgery, have replaced open surgery for benign gynecologic conditions. Robotic surgery offers…

OBJECTIVE: This study aimed to evaluate the feasibility of performing laparoscopic hysterectomy using an articulating laparoscopic instrument that provides flexible and ergonomic movements similar to robotic systems and to demonstrate the s…

OBJECTIVE: Geriatric patients requiring gynecological surgery is increasing worldwide. However, older patients are at higher risk of postoperative morbidity and mortality, particularly cardiopulmonary complications. Laparoscopic surgery is …

Significant progress has been made in the molecular diagnosis of cancer. It provides personalized medicine, including cancer diagnosis, prognosis, targeted therapy, and risk detection. These advances allow physicians to identify patients at…

BACKGROUND: The optimal treatment of recurrent ovarian clear cell carcinoma remains unknown. There is increasing rationale to support the role of immune checkpoint inhibitors targeting the programmed cell death protein 1 (PD-1)/programmed d…

OBJECTIVE: To compare the efficacy of a pulmonary recruitment maneuver using lower airway pressure (30 cm H2O) and intraperitoneal bupivacaine, alone or in combination, for reducing shoulder pain after gynecologic laparoscopy. METHODS: A p…

OBJECTIVES: To compare the surgical, pathological and oncological outcomes of single-port access (SPA) laparoscopy against laparotomy for large ovarian tumor (>15 cm) suspected to be a borderline ovarian tumor (BOT) on preoperative imaging.…

Ovarian clear cell adenocarcinoma (Ov-CCA) has a higher prevalence in the Japanese ancestry than other populations. The ancestral disparities in Ov-CCA prevalence suggests the presence of Ov-CCA-specific genetic alterations and may provide …

OBJECTIVE: The objective of the study is to compare the intra- and post-operative outcomes of laparoendoscopic single-site surgery (LESS) and conventional laparoscopic surgery (CLS) in mature cystic teratoma (MCT) of the ovary. METHODS: We…

OBJECTIVE: Elderly age is one of the poor prognostic factors in epithelial ovarian cancer (EOC), but the optimal age cut-off is not known. The present study sought to identify the ideal age cutoff that represents a negative prognostic facto…

OBJECTIVE: The aim of this investigation is to compare outcomes of patients according to the presence of cancer arising from endometriosis in ovarian clear cell carcinoma (CCC) and endometrioid carcinoma (EC). METHODS: This study retrospec…

OBJECTIVE: To examine the effectiveness of proximal tube destruction at the uterine cornu by additional application of a sealing device. METHODS: A single-center randomized trial was conducted on 40 patients receiving a laparo-endoscopic s…

BACKGROUND AND OBJECTIVES: In single-port laparoscopic hysterectomy(SP-LH), ligation of the uterine artery is a fundamental step. We analyzed the effectiveness and safety of 2 different surgical approaches to ligate the uterine artery in SP…

Introduction: This video shows single-port retroperitoneal hysterectomy (SP-rH) with EnSeal® device. Ligation of the uterine artery is the key procedure of single-port laparoscopic hysterectomy (SP-H). Ureteral injury followed by extensive …

OBJECTIVES: The aim of the present study was to determine the feasibility of retroperitoneal hysterectomy by laparoendoscopic single-site surgery (LESS) and to suggest technical tips. MATERIALS AND METHODS: This study is a prospective sing…

OBJECTIVE: To discuss the feasibility of single-site robotic surgery for benign gynecologic tumors and early stage gynecologic cancers. METHODS: In this single institution, prospective analysis, we analyzed six patients who had undergone s…

BACKGROUND/AIMS: To evaluate the clinical and pathologic features of patients with mucinous borderline tumor (MBT) of the ovary with special emphasis on the endocervical-like (EMBT) and intestinal-type (IMBT). METHODS: This is a retrospect…

The incidence of cancer from adenomyosis is rare. Previously, only two cases of clear cell adenocarcinoma (CCA) arising from adenomyosis have been reported in English literature. Here, we report a case of CCA arising from adenomyosis. A 52-…

STUDY OBJECTIVE: To present our initial experience with single-port access laparoscopic-assisted vaginal hysterectomy (SPA-LAVH) in a large uterus weighing in excess of 500 g. DESIGN: A prospective single-center study (Canadian Task Force …

We evaluated the feasibility, safety, and operative outcome of management of myomas and adenomyosis using single-port access subtotal hysterectomy with transcervical morcellation using a wound retractor and a surgical glove. We conclude the…

STUDY OBJECTIVE: To present our initial experience with single port-access laparoscopic-assisted vaginal hysterectomy (SPA-LAVH) by use of a wound retractor and a glove. DESIGN: Continuing, prospective study (Canadian Task Force classifica…

Objective: To compare laparoscopic surgery with conventional abdominal surgery in patients with early stage endometrial cancer. Methods: A retrospective review of 63 patients with early stage endometrial cancer managed between March 2003 an…