- •An interstitial pregnancy can be removed using hysteroscopic morcellation.
- •Laparoscopic guidance is recommended.
- •It is a promising technique regarding safety, efficacy and maintaining fertility.
An interstitial pregnancy is a rare form of ectopic pregnancy. Diagnosis and management can be challenging. Treatment often involves invasive uterine surgery. Conservative options such as methotrexate are important alternatives nowadays.
The aim of this review is to investigate the role of operative hysteroscopy in the organ and fertility preserving management of interstitial pregnancy and interstitially retained products of conception (RPOC).
A case is presented in which interstitially RPOC were removed using hysteroscopic morcellation under laparoscopic guidance. Consequently, a systematic literature review was performed. Medline, Embase and The Cochrane Library were used as literature resources.
In the literature review, 14 case reports in which operative hysteroscopy was part of the minimally invasive treatment of interstitial pregnancy and interstitially RPOC of which 11 were studied. Of these 14 cases, 11 were reported as being successful. Different techniques such as laparoscopy and suction curettage were associated. Various hysteroscopic instruments were used, hysteroscopic graspers most commonly. Reported complications were uterine perforation during suction curettage and incomplete hysteroscopic resection. Analysis of the cases did not demonstrate a clear difference between different approaches concerning safety, efficacy or subsequent fertility and pregnancy outcomes.
With the growing experience in hysteroscopy and the development of novel techniques and devices, such as hysteroscopic morcellation, operative hysteroscopy has a promising role in the minimally invasive management of interstitial pregnancy and interstitially RPOC. (Laparoscopically guided) operative hysteroscopy might be a convenient approach to avoid blind curettage and related complications such as uterine perforation.
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Published online: July 14, 2021
Accepted: July 12, 2021
Received in revised form: July 7, 2021
Received: January 19, 2021
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