Laparoscopic aneurysm resection and splenectomy for splenic artery aneurysm in the third trimester of pregnancy

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Abstract
Splenic artery aneurysms (SAA) are a rare entity most commonly diagnosed incidentally. Their association with pregnancy increases the risk of rupture resulting in a disproportionately high maternal and fetal mortality. Accordingly, elective surgical treatment is recommended in asymptomatic patients with aneurysms less than 2 cm. In this case, we present a patient during her third trimester of pregnancy with a SAA who was treated by laparoscopic aneurysm resection and splenectomy. The patient is a 38-year-old multiparous woman, with an incidental diagnosis of a SAA in 2010. Subsequently, the patient became pregnant and at 27 weeks started to develop abdominal pain. Failed embolization was attempted with worsening of the patient's symptoms. A CT angiogram revealed a 1.6 cm distal third SAA without any evidence of rupture. Due to the localization of the lesion, the patient was offered a laparoscopic aneurysm resection and splenectomy. Operating time was 90 min and estimated blood loss was 5 cc. Postoperative fetal monitoring was normal. No perioperative complications were observed. The patient was discharged on postoperative day 3. Two months after laparoscopic splenectomy, the patient delivered a male infant in perfect health. Although this is a rare disease, the risk of aneurysmal rupture is increased during pregnancy. As a result of high maternal and fetal mortality, elective surgery should be performed. Laparoscopic surgery is the technique of choice.