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A Large Placental Chorioangioma Without an Adverse Perinatal Effect

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A Large Placental Chorioangioma Without an Adverse Perinatal Effect IBIMA Publishing International Journal of Case Reports in Medicine http://www.ibimapublishing.com/journals/IJCRM/ijcrm.html Vol. 2015 (2015), Article ID 613512, 5 pages DOI: 10.5171/2015.613512 Case Report A Large Placental Chorioangioma without an Adverse Perinatal Effect Serpil Aydogmus 1, Zeynep Seyhanli 2, Serenat Eris 3, Hüseyin Aydogmus 4, Seyran Ceri Yiğit 5 and Sefa Kelekci 6 1,2,3,4,6 Izmir Katip Celebi University Ataturk Training and Research Hospital, Department of Obstetrics and Gynecology, Izmır, Turkey 5Izmir Katip Celebi University Ataturk Training and Research Hospital, Department of Pathology, Izmır,Turkey Correspondence should be addressed to: Serenat Eris; [email protected] Received date: 25 Mai 2014; Accepted date: 14 July 2014; Published date: 19 August 2015 Academic Editor: El Said Abdel-Hady Copyright © 2015. Serpil Aydogmus, Zeynep Seyhanli, Serenat Eris, Hüseyin Aydogmus, Seyran Ceri Yiğit and Sefa Kelekci . Distributed under Creative Commons CC-BY 4.0 Abstract Chorioangiomas are the most common benign tumors of placenta with reported prevalence of approximately 0.5% -1%. Large tumors are rare but those exceeding 5 cm in diameter may be associated with adverse effects on both mother and fetus. The larger the size of the tumor the more is the chance of developing complications. However, it is not necessary that complications would always ensue. Here, we present a case with a large asymptomatic placental chorioangioma that was found incidentally at term and led to a successful outcome. Despite the large size, it was not associated with the maternal or fetal complications expected with a chorioangioma of that size. Keywords: placental chorangioma, placental tumor, fetal complication Introduction failure, polyhydramnios, preterm labor, preeclampsia and sudden infant death (2- Chorioangiomas are the most common 7). The larger the size of the tumor the benign tumors of placenta with reported more is the chance of developing prevalence of approximately 0.5% -1% (1). complications. However, it is not necessary Large tumors are rare but those exceeding that complications would always ensue. 5 cm in diameter may be associated with Here we present a case with a large adverse effects on both mother and fetus asymptomatic placental chorioangioma which include intrauterine growth that was found incidentally at term and led restriction, fetal anemia, to a successful outcome. Despite the large thrombocytopenia, congestive heart size, it was not associated with the ______________ Cite this Article as: Serpil Aydogmus, Zeynep Seyhanli, Serenat Eris, Hüseyin Aydogmus, Seyran Ceri Yiğit and Sefa Kelekci (2015), “A Large Placental Chorioangioma Without An Adverse Perinatal Effect” International Journal of Case Reports in Medicine , Vol. 2015 (2015), Article ID 613512, DOI: 10.5171/2015.613512 International Journal of Case Reports in Medicine 2 ______________________________________________________________________________________________________________ maternal or fetal complications expected baby with normal Apgar score and birth with a chorioangioma of that size. weight of 3.6 kilograms was delivered. Neonatal examination and follow-up were Case Presentation normal. Placenta was delivered by controlled cord traction. Macroscopically, A 20 year-old primigravida, who did not the placenta was 20X18X4 cms and have routine antenatal follow-up, was weighed 726 grams. There was a large admitted to our emergency department polypoid well-circumscribed lesion on the with rupture of membranes at 39 weeks of placenta measuring 7X7X6 cms ( Figure: I pregnancy. She underwent a scan which ,II). Then, the placenta was sent for showed a normally growing fetus with no histopathology. Microscopic examination gross fetal anomalies and normal liquor revealed benign mass composed of closely volume but a well-defined hypoechoic area packed vascular spaces lined by endothelial 7*6 cms near the lower edge of the cells and scanty loose intervening stroma. placenta. Colour Doppler examination Pathological analysis confirmed the showed vasculature suggestive of diagnosis of placental chorioangioma. The chorioangioma. She underwent emergency patient was discharged in good condition cesarean section for cephalo- (the mother and the baby) 24 hours after pelvic disproportion in labour. A female surgery. Figure 1: A large placental chorioangioma ______________ Serpil Aydogmus, Zeynep Seyhanli, Serenat Eris, Hüseyin Aydogmus, Seyran Ceri Yiğit and Sefa Kelekci (2015), International Journal of Case Reports in Medicine , DOI: 10.5171/2015.613512 3 International Journal of Case Reports in Medicine ______________________________________________________________________________________________________________ Figure 2: A large vascular tumor suggestive of chorioangioma after delivery Discussion complications are polyhydramnios, preterm labor, fetal hemolytic anemia, fetal Chorioangioma of the placenta is a thrombocytopenia, fetal cardiomegaly, relatively rare entity which most often intrauterine growth restriction, toxemia, goes unnoticed. It was first described by placental abruption, preeclampsia, and Clarke in 1798. Chorioangiomas range congenital abnormalities (6-7). Although from microscopic lesions to large masses. the underlying pathophysiology has not Most chorioangiomas are small and are been fully elucidated, a prominent role for found incidentally at screening obstetric arteriovenous shunting and sequestration examinations. Large chorioangiomas ( > 4-5 of red blood cells and platelets by the cm) are rare and have been reported to tumor has been postulated (3,6). Although occur at a rate of 1: 3500 to 1: 9000 births a large size of the tumor is indicative of a (1). higher probability for arteriovenous shunting, in some cases, like ours, Recognized maternal risk factors arteriovenous shunts do not develop. It associated with chorioangioma are could be an explanation of how our case advanced maternal age, hypertension and did not develop complications despite the diabetes mellitus. They are more common large size. in multiple pregnancy and female babies (2). Different investigation modalities have been used for the early diagnosis and Chorioangioma consists of a benign management of placental tumors. Gray- angioma arising from chorionic tissue. scale findings are well-defined hypo- or Three histological patterns of hiperechogenic mass different from the chorioangiomas have been described by rest of placenta and tumor protrudes into Marchetti: angiomatous (capillary), amniotic cavity near umbilical cord cellular, and degenerative, with insertion (8). On Colour Doppler, feeding angiomatous as the most common type (3). vessel usually has the same pulsatile flow There is no malignant potantial (4-6). as that of umbilical artery but may have arteriovenous shunt causing low resistance Large chorioangiomas may cause serious flow (9). Strong suspicion of complications and carry a risk of fetal and chorioangioma on Doppler ultrasound maternal morbidity (5). These associated rules out the need for additional expensive ______________ Serpil Aydogmus, Zeynep Seyhanli, Serenat Eris, Hüseyin Aydogmus, Seyran Ceri Yiğit and Sefa Kelekci (2015), International Journal of Case Reports in Medicine , DOI: 10.5171/2015.613512 International Journal of Case Reports in Medicine 4 ______________________________________________________________________________________________________________ imaging modalities like magnetic Chorioangioma is usually treated with resonance investigation (MRI). expectant management, as the majority of Unfortunately, we could not do gray-scale tumors are asymptomatic. There are or Doppler in earlier trimesters because several modalities of treatment for our patient did not come on regular follow- complications of chorioangioma such as up. Chorioangioma is often confused with serial fetal transfusions, fetoscopic laser placental teratoma, placental hematoma coagulation of vessels supplying the tumor, (intraplacental or subchorionic), partial chemosclerosis with absolute alcohol, and hydatidiform mole, degenerated myoma, endoscopic surgical devascularization and metastases (8). (10,11). Table 1: Successful Pregnancy outcomes with large placental chorioangiomas in literature Authors Case Number Gestational age Chorioangioma Perinatal (reference) at diagnosis size (mm) Outcome (weak) Sepulveda et. Term Delivery 73*71, 43*42 al.(5) 4 32, 24, 21, 35 Healthy 68*41, 45*41 neonates Ruman Term Delivery 1 26 70*60 et.al.(12) Healthy neonate Acharya Term Delivery 1 17+2 103*107 et.al.(13) Healthy neonate Ulkumen Term Delivery et.al.(14) 2 36, 26 70*70, 50*40 Healthy neonates Conclusion References We presented a case with an asymptomatic 1.Benirschke K, Kaufman P.Pathology of the placental chorioangioma despite its large Human Placenta: BenignTumors. Springer- size. Large chorioangiomas may cause Verlag: New York, NY, 1995; 709-718. serious complications so it is important to acchieve prenatal diagnosis. A routine 2.Kodandapani S, Shreshta A, Ramkumar V, antenatal screening ultrasound scan should Rao L. Chorioangioma of placenta: a rare include a screen of the placental placental cause for adverse fetal outcome. composition not just its location. After Case Rep Obstet Gynecol. diagnosis close follow-up of pregnancy by 2012;2012:913878. serial ultrasound and Doppler studies is recommended to detect and manage 3.A. A. Marchetti. A consideration of certain complications. However it, is not necessary types of benign tumors of the that complications would
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