Date of Presentation:2/01/2017

Attending pathologist: Iouri Ivanov, MD

Presented by: Kaila Buckley, MD

Prepared by: Sophia Shaddy, MD



The patient is a 27 year old G2P1001 female 10 weeks pregnant who presents to the ER with vaginal bleeding for 2 days. Beta HCG was 12,000. Ultrasound showed thickened endometrium without intrauterine pregnancy and possible ectopic pregnancy of the cornu. Dilation and curettage with diagnostic laparoscopy was performed.

What is the most likely diagnosis?

  1. Complex atypical endometrial hyperplasia
  2. Choriocarcinoma
  3. Retained products of conception
  4. Endometrial Arias-Stella reaction
  5. Endometrial clear cell carcinoma
Endometrial Arias-Stella reaction