OBJECTIVE: We aimed to clarify the frequency of cul-de-sac obliteration in patients undergoing POP surgery.
METHODS: We retrospectively reviewed patients who underwent laparoscopic POP surgery at our hospital between April 2017 and September 2021.
RESULTS: In total, 191 cases were included in the analysis. Ten patients (5.2%) had cul-de-sac obliteration. No difference in age (73 years vs. 72 years, P = 0.99), parity (2 vs. 2, P = 0.64), or body mass index (BMI) (25.7 kg/m2 vs. 24.7 kg/m2, P = 0.34) was observed between the cul-de-sac obliteration and normal groups. No significant differences were observed in the rate of previous abdominal surgery (50.0% vs. 32.6%, P = 0.46), rate of POP - quantification system (POP-Q) ≥ 2 posterior prolapse (40.0% vs. 46.4%, P = 0.98), and effect of defecation symptoms on the prolapse quality of life (p-QOL) score (vaginal bulge emptying bowels: 2.5 vs. 3.5, P = 0.15; empty bowel feeling: 3 vs. 3, P = 0.72, constipation: 3.5 vs. 3, P = 0.58; straining to open bowels: 3.5 vs. 3, P = 0.82; empty bowels with fingers: 1 vs. 1, P = 0.55) between the cul-de-sac obliteration and normal groups. Multivariate analysis of risk factors for the cul-de-sac obliteration was performed for age, number of births, previous abdominal surgery, and presence of rectocele; however no significant risk factors were extracted.
CONCLUSIONS: Predicting cul-de-sac obliteration preoperatively in patients undergoing POP surgery based on age, number of previous surgeries, previous abdominal surgeries, rectocele, and defecation symptoms is difficult.

OBJECTIVE: To show feasibility and short-term outcomes of robot-assisted vaginal NOTES (RvNOTES) for the treatment of stage IV endometriosis during total hysterectomy with/without complete cul-de-sac obliteration.
METHODS: Retrospective case series.
METHODS: Single academic tertiary care hospital in Houston, Texas, USA.
METHODS: Twenty-three adult women with stage IV endometriosis.
METHODS: RvNOTES with total hysterectomy for excision of severe endometriosis.
RESULTS: Patients were assessed for various metrics including total operative time, robot dock time, robot console time, hysterectomy time, estimated blood loss, perioperative pain using the Visual Analogue Scale (VAS), and complications. The mean total operative time was 224.3 minutes. The study also found that patients with complete cul-de-sac obliteration had significantly longer operative times and higher estimated blood loss compared to those with partial or no obliteration. Postoperative VAS pain scores showed a significant reduction over a 6-week period. Complications included one case of complete ureteral transection, pelvic hematoma with infection, vaginal abscess, urinary tract infection, and pneumonia.
CONCLUSIONS: Our findings suggest that RvNOTES may be a feasible surgical approach in expert hands for treating stage IV endometriosis, even in cases with complete obliteration of the cul-de-sac.

OBJECTIVE: The main objective is to describe the feasibility and report a single-center experience of a standardized laparoscopic modified radical hysterectomy technique among patients with severe endometriosis and pouch of Douglas obliteration.
METHODS: A single-center case series of laparoscopic modified radical hysterectomy performed at the Poissy Hospital between December 2012 and May 2021.
METHODS: Single-center, gynecology unit (level III) with a focus on endometriosis.
METHODS: Patients with severe endometriosis (stage 4 American Fertility Society) and pouch of Douglas obliteration.
RESULTS: Fifty-two patients with severe endometriosis underwent the surgical procedure. Of these patients, 23.1% underwent a rectal shaving (n = 12), 1.9% a discoid resection (n = 1), and 17.3% a rectal resection (n = 9), including a protective ileostomy in 1 case. Ureterolysis was performed on 82.7% of patients (n = 43). The average hospital stay was 3.3 days. Seven patients required intermittent self-catheterization (13.5%). Minor complications (Clavien-Dindo grade 1 and 2) occurred in 25.9% of the patients and severe complications in 3.8% of them (Clavien-Dindo grade 3, no grade 4). Two patients (3.8%) were reoperated: one for a postoperative occipital alopecia (balding) and the other for vaginal dehiscence with evisceration. Approximately 50 patients (96.2%) had a complete resection of endometriosis. The median follow-up was 14 months (interquartile range, 6-23 mo) with 94.3% of them improved (much and very much) and 3.8% minimally improved.
CONCLUSIONS: In our experience, laparoscopic modified radical hysterectomy is a reliable procedure with a low rate of severe complications. This technique needs to be assessed by other surgeons and others centers across the country and abroad, to determine the likelihood of it succeeding.

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Around 80% of women with endometriosis have superficial endometriosis (SE) rather than ovarian or deep endometriosis (DE). However, to date, advances in non-invasive, imaging-based diagnosis have been limited to DE or ovarian disease. The objective of this study was to determine whether we can detect SE on transvaginal ultrasound scan (TVS) by assessing the peritoneum of the pouch of Douglas (POD).
This was a retrospective diagnostic test study following a change in practice to include POD peritoneum assessment for SE during TVS at a tertiary London hospital. Eligible patients underwent TVS by a single clinician trained in endometriosis scanning and a subsequent surgical procedure (laparoscopy) between April 2018 and September 2021. Participants formed a consecutive series. The TVS findings were compared with those of laparoscopy as the gold standard. Comparison of TVS findings with intraoperative findings was performed by calculating the diagnostic test performance measures (sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and positive and negative likelihood ratios).
The study included a total of 100 patients. We found that 43/100 (43.0%) patients had no endometriosis, 33/100 (33.0%) had SE and 24/100 (24.0%) had DE on laparoscopy. SE was correctly detected on TVS in 17/33 patients, with a sensitivity of 51.5% (95% CI, 33.5-69.2%), specificity of 94.0% (95% CI, 85.4-98.4%), PPV of 81.0% (95% CI, 60.8-92.1%) and NPV of 79.7% (95% CI, 73.4-84.9%). DE was correctly diagnosed in 20/24 cases, including all ovarian cases, with a sensitivity of 83.3% (95% CI, 62.3-95.3%), specificity of 97.4% (95% CI, 90.8-99.7%), PPV of 90.9% (95% CI, 71.6-97.5%) and NPV of 94.9% (95% CI, 88.3-97.8%). The detection of SE on TVS was most accurate in the POD (sensitivity, 50.0%; specificity, 96.4%; PPV, 76.9%; NPV, 88.9%).
This study shows that the detection of SE in the POD is possible using routine TVS. While negative TVS does not reliably confirm the absence of disease or replace diagnostic laparoscopy, positive TVS facilitates non-invasive diagnosis for a much larger group of women than was previously possible. This should help to reduce the time from the onset of symptoms to diagnosis and enable initiation of medical treatment without the risk, cost and delay associated with a surgical diagnosis. © 2023 The Authors. Ultrasound in Obstetrics & Gynecology published by John Wiley & Sons Ltd on behalf of International Society of Ultrasound in Obstetrics and Gynecology.

The Kissing ovaries sign is a radiological sign seen in women with deep pelvic endometriosis. It refers to abutment of the ovaries within the cul-de-sac. The term kissing ovaries was first described by Ghezzi et al. (2005) and has been since used widely. When seen on imaging it indicates moderate to severe endometriosis with the ovaries tethered within abnormal pelvic soft tissue, which may warrant surgical management.

Dense adhesions because of severe endometriosis between the posterior cervical peritoneum and the anterior sigmoid or rectum obliterate the cul-de-sac and distort normal anatomic landmarks. Surgery for endometriosis is associated with severe complications, including ureteral and rectal injuries and voiding dysfunction. Surgeons should recognize the importance of not only avoiding ureteral and rectal injuries but also focusing on the preservation of the hypogastric nerves. Herein, we reported the anatomic highlights and surgical steps of laparoscopic hysterectomy for posterior cul-de-sac obliteration with the nerve-sparing technique.

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