ArticleJournal of surgical case reports2022
Cyclically bleeding trocar-site endometrioma without known history of endometriosis: case report and literature review.
Article in Journal of surgical case reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed.
- Association Between Tolvaptan Exposure and Venous Thromboembolism Risk in ADPKD: A Real-World Propensity-Matched EHR Study.Nephrology (Carlton, Vic.) · 2026Article
- Umbilical Endometriosis: A Case Report.Cureus · 2025Article
- Trocar scar abdominal wall adenomyoma following laparoscopic hysterectomy: case report.Journal of surgical case reports · 2024Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Endometriosis occurrence at a laparoscopic trocar-site incision is extremely rare with only 30 previous cases published. We present a 43-year-old female with surgical history of two cesarean sections and a laparoscopic Roux-en-Y gastric bypass who presented with history of cyclical bleeding from an umbilical mass coinciding with her menstrual cycle. Ultrasound demonstrated a complex solid and cystic lesion measuring 2.5 x 1.4 x 1.4 cm. This umbilical mass was surgically resected and gross examination perioperatively demonstrated dark-colored cystic implants consistent with endometrioma. Pathology confirmed the suspected diagnosis of endometriosis. There are several noteworthy characteristics in this unique case of laparoscopic trocar-site endometrioma. Umbilical bleeding is an unusual presenting symptom that has not been previously reported. This endometrioma occurred at the umbilical laparoscopic site rather than her Pfannenstiel incision. Laparoscopic Roux-en-Y gastric bypass has not been previously associated with trocar-site endometrioma. Of note, this patient had no known history of endometriosis.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.