A Finger-Based Method to Find the Left Ureter During Gynecologic Cancer Surgery
Tests a hand technique to locate the left ureter in gynecologic cancer surgery.
Plain-language title generated from the registry record
Registry title: Feasibility of the "One-Finger Technique" for Identifying the Upper Left Ureter During Para-Aortic Lymphadenectomy
Key facts
- Where
- Guangzhou, ChinaSee the site
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 75 years old?
Source: NCT07895212, who can take part
Where in China
- Sun Yat-sen Memorial Hospital, Sun Yat-sen UniversityGuangzhou, ChinaTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Trial details
- Who runs it
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
- Trial code
- NCT07895212
- Record updated
- 26 October 2026
- Original description
Para-aortic lymphadenectomy plays an important role in the surgical treatment of major gynecological malignancies (ovarian, endometrial, and cervical cancer). Identifying bilateral ureters is a crucial step, and dissecting the upper left ureter is particularly challenging with no standardized method. This study introduces an anatomical technique called the "One-Finger Technique" for this purpose. This prospective, single-arm exploratory study aims to evaluate the feasibility and safety of the "One-Finger Technique" during open para-aortic lymphadenectomy.Read full original descriptionShow less
Feasibility Evaluation of the "One-Finger Technique" for Dissecting and Identifying the Upper Left Ureter During Para-Aortic Lymphadenectomy: A Prospective, Single-Center, Single-Arm Clinical Study
Para-aortic lymphadenectomy plays an important role in the surgical treatment of major gynecological malignancies (ovarian, endometrial, and cervical cancer). Identifying bilateral ureters is a crucial step, and dissecting the upper left ureter is particularly challenging with no standardized method. This study introduces an anatomical technique called the "One-Finger Technique" for this purpose. This prospective, single-arm exploratory study aims to evaluate the feasibility and safety of the "One-Finger Technique" during open para-aortic lymphadenectomy.
Inclusion: Females aged 18-75 years; Diagnosed with gynecological malignancies (e.g., cervical cancer, endometrial cancer, ovarian cancer) confirmed by histopathology or cytology; Planned to receive open surgical treatment and have surgical indications for para-aortic lymphadenectomy according to guidelines; ECOG performance status score: 0~1; Fully understand the purpose, nature, methods, and potential risks and benefits of this study, voluntarily participate in this study, and sign a written informed consent form.
Exclusion: Previous history of left kidney or ureter surgery, or known severe anatomical variations of the urinary system (such as duplex kidney, duplex ureter, pelvic ectopic kidney, etc.); Severe intestinal adhesions caused by previous abdominal surgery for other reasons; Previous history of pelvic/abdominal radiotherapy, or severe adhesions and unclear anatomical structures in the retroperitoneal space due to previous abdominal surgery or severe pelvic/abdominal infection; Concurrently have malignant tumors in other systems; Presence of absolute contraindications for open surgery, such as severe cardiac, hepatic, or renal insufficiency, or coagulopathy; Other conditions deemed unsuitable for enrollment by the investigator; Preoperative imaging (CT/MRI) indicates massive confluent lymph nodes in the retroperitoneum, or lymph nodes that have encased major blood vessels such as the left ureter, abdominal aorta, and inferior vena cava, where routine space dissection is expected to be impossible.