Related Experiment Video
Updated: Feb 15, 2026
08:34
Robot-assisted Partial Splenectomy
Published on: January 2, 2026
664
Extraperitoneal Para-Aortic Lymphadenectomy by Robot-Assisted Laparoscopy.
Ana Gomes da Costa1, Yves Borghesi1, Delphine Hudry1
1Department of Gynecologic Oncology, Oscar Lambret Cancer Center, Lille, France.
Journal of Minimally Invasive Gynecology
|January 17, 2018
Summary
Robot-assisted laparoscopy for extraperitoneal para-aortic lymphadenectomy offers excellent visualization. However, potential complications include peritoneal perforation and symptomatic lymphocysts, requiring careful consideration in gynecologic cancer treatment.
Area of Science:
- Minimally Invasive Gynecologic Oncology
- Surgical Robotics
- Oncologic Surgery
Background:
- Para-aortic lymphadenectomy is crucial for staging and treating gynecologic cancers.
- Robot-assisted laparoscopy offers potential advantages in surgical precision and visualization.
Purpose of the Study:
- To evaluate the outcomes of extraperitoneal para-aortic lymphadenectomy performed using robot-assisted laparoscopy.
- To assess the feasibility, safety, and efficacy of this minimally invasive approach in gynecologic cancer patients.
Main Methods:
- Retrospective review of 23 consecutive patients with gynecologic cancer undergoing extraperitoneal para-aortic lymphadenectomy via robot-assisted laparoscopy.
- Data collected included patient demographics, operative details (type, time, blood loss), lymph node yield, complications, and postoperative outcomes.
- Canadian Task Force classification III study conducted at an academic institution.
Main Results:
- Twenty-one procedures were completed, with 16 infrarenal and 5 inframesenteric lymphadenectomies.
- Median operative times were 170 minutes (infrarenal) and 120 minutes (inframesenteric). Median lymph node counts were 18 and 10, respectively.
- Intraoperative complications included nerve/ureter injury and vena cava injury. Postoperative concerns included peritoneal perforation (2 cases) and symptomatic lymphocysts (3 readmissions).
Conclusions:
- Robot-assisted extraperitoneal para-aortic lymphadenectomy provides superior operative field visualization without arm conflict.
- Potential complications such as peritoneal perforation and symptomatic lymphocysts necessitate careful patient selection and postoperative monitoring.
Related Concept Videos
01:14Directing Effect of Substituents: ortho–para-Directing Groups
8.7K
Ortho–para directors are substituent groups attached to the benzene ring and direct the addition of an electrophile to the positions ortho or para to the substituent. All electron-donating groups are considered ortho–para directors. They donate electrons to the ring and make the ring more electron-rich. The ring is therefore susceptible to the addition of electrophiles. Substituents such as amino, hydroxy, or alkoxy, containing lone pairs on the atom adjacent to the ring, donate...
8.7K
01:24ortho–para-Directing Deactivators: Halogens
6.8K
Halogens are ortho–para directors. They are more electronegative than carbon. Therefore, as ring substituents, they can withdraw electrons through the inductive effect and deactivate the aromatic ring towards electrophilic substitution. Halogens also have an electron-donating resonance effect on the ring, which influences the orientation of the incoming electrophile. If an electrophile attacks at the ortho or the para position, the halogen donates electrons and stabilizes the intermediate...
6.8K
01:15Aortic Regurgitation I: Introduction
746
IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
746
01:11ortho–para-Directing Activators: –CH3, –OH, –NH2, –OCH3
7.6K
All ortho–para directors, excluding halogens, are activating groups. These groups donate electrons to the ring, making the ring carbons electron-rich. Consequently, the reactivity of the aromatic ring towards electrophilic substitution increases. For instance, the nitration of anisole is about 10,000 times faster than the nitration of benzene. The electron-donating effect of the methoxy group in anisole activates the ortho and para positions on the ring and stabilizes the corresponding...
7.6K
01:17Aortic Regurgitation IV: Nursing Management
330
A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
330
01:25Aortic Regurgitation III: Medical Management
476
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
476