Purpose <p>To describe the demographic, clinical, laboratory, imaging, and surgical features of 15 histologically confirmed ovarian pregnancies (OP) and to contextualize these findings within a narrative literature overview in order to improve clinical recognition and facilitate earlier diagnosis.</p> Methods <p>A retrospective multicenter case series was conducted across two university-affiliated hospitals between 2012 and 2024. Women with histologically confirmed OP were included. Demographic data, risk factors, presenting symptoms, β-hCG dynamics, ultrasound findings, operative details, and postoperative outcomes were collected and analyzed.</p> Results <p>Fifteen patients were identified. The mean age was 34.6 ± 4.2&#xa0;years; 46.7% used an intrauterine device, 33.3% had prior cesarean delivery, and 13.3% conceived through assisted reproduction. Abdominal pain was the predominant symptom (86.7%), whereas vaginal bleeding occurred in 26.7%. The mean preoperative β-hCG level was 6,436 ± 5,570 mIU/mL and serial measurements showed inappropriate rises. OP was suspected preoperatively in 53.3% of cases; identification appeared higher in cases with formal ultrasound (85.7%), although this observation is limited by differences in imaging setting and documentation.. Observed sonographic features included a hyperechoic peripheral ring and a Doppler pattern demonstrating a single dominant feeding vessel; A trilaminar endometrial pattern was not observed in evaluable cases. Rupture occurred in 73.3% of patients with a median blood loss of 300&#xa0;mL (IQR 10–2000&#xa0;mL). All patients were treated surgically with ovarian preservation, and postoperative day-1 β-hCG declined by 59 ± 12%.</p> Conclusion <p>OP commonly presents with abdominal pain and minimal bleeding and carries a high rupture risk. The described sonographic patterns may represent hypothesis-generating observations that could support clinical suspicion and warranting further study.</p>

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Ovarian pregnancy: clinical characteristics, diagnostic challenges, and sonographic features—a multicenter case series with narrative literature overview

  • Adi Dayan-Schwartz,
  • Ariel Zilberlicht,
  • Nadav Cohen,
  • Fahoum Leen,
  • Suzan Abd Elgani,
  • Liron Kogan,
  • Ari Reiss,
  • Ronit Beck-Fruchter,
  • Etty Daniel-Spiegel

摘要

Purpose

To describe the demographic, clinical, laboratory, imaging, and surgical features of 15 histologically confirmed ovarian pregnancies (OP) and to contextualize these findings within a narrative literature overview in order to improve clinical recognition and facilitate earlier diagnosis.

Methods

A retrospective multicenter case series was conducted across two university-affiliated hospitals between 2012 and 2024. Women with histologically confirmed OP were included. Demographic data, risk factors, presenting symptoms, β-hCG dynamics, ultrasound findings, operative details, and postoperative outcomes were collected and analyzed.

Results

Fifteen patients were identified. The mean age was 34.6 ± 4.2 years; 46.7% used an intrauterine device, 33.3% had prior cesarean delivery, and 13.3% conceived through assisted reproduction. Abdominal pain was the predominant symptom (86.7%), whereas vaginal bleeding occurred in 26.7%. The mean preoperative β-hCG level was 6,436 ± 5,570 mIU/mL and serial measurements showed inappropriate rises. OP was suspected preoperatively in 53.3% of cases; identification appeared higher in cases with formal ultrasound (85.7%), although this observation is limited by differences in imaging setting and documentation.. Observed sonographic features included a hyperechoic peripheral ring and a Doppler pattern demonstrating a single dominant feeding vessel; A trilaminar endometrial pattern was not observed in evaluable cases. Rupture occurred in 73.3% of patients with a median blood loss of 300 mL (IQR 10–2000 mL). All patients were treated surgically with ovarian preservation, and postoperative day-1 β-hCG declined by 59 ± 12%.

Conclusion

OP commonly presents with abdominal pain and minimal bleeding and carries a high rupture risk. The described sonographic patterns may represent hypothesis-generating observations that could support clinical suspicion and warranting further study.