An Unusual Case of Live Caesarean Scar Ectopic Pregnancy: A Common Entity in an Uncommon Location
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Publication date: 2018-02-02
Pol J Radiol, 2017; 82: 296-298
Background: Scar pregnancy is an extremely rare type of ectopic pregnancy, where there is implantation of the gestational sac onto the anterior wall of the uterus at the site of previous LSCS scar in a multipara female. Due to a poor vascular supply to the lower uterine segment, caesarean scars may heal improperly predisposing it to be a site of improper implantation of the gestational sac.
Results: The characteristic features are empty uterus and cervix, gestational sac in the anterior part of lower uterine segment with a history of painless vaginal bleeding. It carries a high risk of morbidity related to uterine rupture and extensive haemorrhage.
Conclusions: In case of a previous LSCS delivery in a female with a viable gestational sac in the lower uterine segment and elevated B-Hcg levels, the possibility of scar ectopic pregnancy should be considered. KCl or methotrexate can be injected directly into the foetal pole under transvaginal ultrasound guidance in order to stop the cardiac activity in the foetus. The knowledge of the specific ultrasound features of uncommon locations of ectopic pregnancies such as an ectopic scar is crucial for a correct diagnosis and early management in order to prevent complications.
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