Hemodynamically stable despite ruptured cesarean scar ectopic pregnancy: a case report and literature review
Bibliographic record
Abstract
Introduction and importance: The increasing prevalence of cesarean sections has raised concerns regarding associated risks such as ectopic pregnancy, placenta previa, and placenta accreta. Cesarean scar ectopic pregnancy (CSEP), although uncommon, has become more frequent with the rising rate of cesarean deliveries. This condition involves implantation of an embryo within the myometrial defect of a previous cesarean uterine incision. It requires early detection to mitigate life-threatening complications due to its potential rupture. Clinical presentation: A 27-year-old G5P3L3A1 female was referred to our facility presenting with vaginal bleeding post-medical termination of pregnancy at 16 weeks of gestation. Ultrasound and MRI findings indicated an adherent placenta at the previous C-section scar site, suggestive of placenta accreta complex and scar site ectopic gestation. To navigate the diagnostic dilemma, a laparoscopy was planned. The omentum was found covering a ruptured area. Once it was removed, the patient began bleeding profusely at the rupture site. Thus, the omentum had sealed the ruptured CSEP, preventing massive blood loss and keeping the patient hemodynamically stable. Clinical discussion: Transabdominal ultrasound is currently the primary method of CSEP diagnosis. Other methods include color Doppler, transvaginal ultrasound, and MRI. Due to the rarity of the diagnosis, there are no established treatment guidelines, and case reports and small case series make up the majority of management evidence. CSEP can be treated by methotrexate or surgery. Our patient was treated through a laparoscopic procedure as the complex nature of the case required intervention. Forty percent of ectopic pregnancies found on cesarean scars are asymptomatic while some patients present with abdominal pain or vaginal bleeding. Our patient had clinical manifestations of severe bleeding, pointing toward rupture of the ectopic pregnancy. The omentum however covered the ruptured uterine area in a rare occurence, limiting blood loss. Conclusion: CSEP cases always pose a diagnostic dilemma that could lead to severe maternal morbidity if not managed accurately. The diagnostic methods for CSEP need to be reviewed based on accuracy and efficiency. From this case, we can also conclude that the existence of a rupture should not be eliminated based on clinical findings as the patient was hemodynamically stable. This highlights the varied complex presentations that patients with ruptured CSEP may have.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.007 | 0.005 |
| Science and technology studies | 0.002 | 0.002 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.003 | 0.002 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".