Subhepatic ectopic pregnancy in Müllerian anomaly localized by large-field-of-view magnetic resonance imaging: A case report

Figure 1 Magnetic resonance imaging of a 28-year-old pregnant woman with surgically and pathologically confirmed unruptured tubal ectopic pregnancy. A: Axial T2-weighted fat-suppressed image shows a small nodular hyperintense focus (arrow) within the gestational sac; B: Axial T1-weighted image demonstrates the nodule (arrow) with isointense signal relative to muscle; C: Diffusion-weighted image (b-value = 800 s/mm²) shows no restricted diffusion within the lesion (arrow); D: The coronal magnetic resonance image of the entire abdomen shows that the gestational sac (arrow) is located between the lower edge of the right lobe of the liver and the right iliac fossa; E: Coronal T2-weighted image confirms uterine morphology consistent with a left unicornuate uterus (star) and a right rudimentary horn (triangle). The uterus is deviated toward the left pelvic sidewall; F: Axial contrast-enhanced T1-weighted fat-suppressed image reveals vivid enhancement of the nodule (arrow) and mild enhancement of the cyst wall.

Figure 2 Targeted transabdominal ultrasound. A and B: Performed with magnetic resonance imaging guidance, identifies the ectopic gestational sac (arrow) in the right upper abdomen, within the subhepatic region.

Figure 3 Intraoperative and histopathological correlation. A: Laparoscopic view showing a left unicornuate uterus and normal left ovary within the pelvic cavity (arrow); B: Intraoperative photograph shows the ectopic fallopian tube and ovary (arrow) displaced to the right upper abdomen, firmly adherent to the inferior hepatic surface and capsule.