Non-trophoblastic tumor of the placenta with combined histologic features of chorangioma and leiomyoma

Miliaras, Dimosthenis; Anagnostou, Eleftherios; Papoulidis, Ioannis; Miliara, X.

doi:10.1016/j.placenta.2010.10.013

Cited by 14 publications

(15 citation statements)

References 7 publications

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“…Placental chorioangioma is the most common benign non-trophoblastic tumor of the placenta. It is derived from primitive chorionic mesenchyme and is typically vascular accounting for approximately 1 % of all pregnancy [1]. Chorioangioma is the most common histological type of placental tumor.…”

Section: Introductionmentioning

confidence: 99%

Chorioangioma of Placenta: A Rare Case of Near-Miss Mortality

Yadav

Maheshwari

Sharma

et al. 2016

J Obstet Gynecol India

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Section: Introductionmentioning

confidence: 99%

Chorioangioma of Placenta: A Rare Case of Near-Miss Mortality

Yadav

Maheshwari

Sharma

et al. 2016

J Obstet Gynecol India

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“…The pathogenesis of these neoplasms is controversial; however, they can originate from any part of the placenta excluding the trophoblastic tissues. 1 – 3 Chorioangioma is the most common histological type of placental tumors. 4 It can be detected in pathomorphological examination in 0.6%–1% of placentas.…”

Section: Introductionmentioning

confidence: 99%

Placental tumor (chorioangioma) as a cause of polyhydramnios: a case report

Abdalla¹,

Bachanek²,

Trojanowski³

et al. 2014

IJWH

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Placental chorioangioma is the most common type of placental tumor. It is usually symptomless and may be associated with serious maternal and fetal complication when it reaches a large size. We presented a case of an angiomatous type of placental hemangioma diagnosed in the second trimester of pregnancy in a patient with polyhydramnios. A normal volume of amniotic fluid was successfully achieved by three amnioreductions with conservative management. The size of the placental tumor remained the same from the time of diagnosis to the end of pregnancy. A term labor was uncomplicated and a healthy newborn was delivered. Macroscopic and microscopic examination of the placenta confirmed the diagnosis. Despite the rarity of placental tumors, they should be considered as differential diagnosis in cases of polyhydramnios.

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“…The first vascular tumors were described by Clarke in 1798 [6,7]. In terms of incidence, chorioangioma occurs in about 1% of all pregnancies [6,[8][9][10], being considered as the most common benign tumors of the placenta. Three histological patterns have been described by Marchetti [7,11]: angiomatous, cellular and degenerate.…”

Section: Introductionmentioning

confidence: 99%

CD133 Expression in Placenta Chorioangioma Presenting as a Giant Asymptomatic Mass

et al. 2021

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Background: Placental chorioangioma is the most common benign non-trophoblastic neoplasm of the placenta. Its clinical relevance lies in the size of the tumor since larger masses cause pregnancy complications, including an unfavorable neonatal outcome. Case presentation: We report the case of a 34-year-old second gravida and nullipara at the 35th week of gestation, admitted to the gynecological department for antibiotic-resistant fever. The cardiotocography performed during hospitalization showed an abnormal fetal pattern. A 2250 g newborn was delivered by cesarean section. No complications were observed during childbirth and postpartum was insignificant. On gross inspection a white fleshy intraparenchymal mass blooming on the maternal surface was noted; routinely stained sections revealed features consistent with chorioangioma with vascular channels lined by inconspicuous endothelial cells immunoreactive for CD31 and CD133. Focal expression of CD133 was also observed in placental villi. Discussion: CD133 expression indicated the presence of stem cells in chorioangioma, suggesting their possible role in the development of mesenchymal lesions including chorioangioma.

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Non-trophoblastic tumor of the placenta with combined histologic features of chorangioma and leiomyoma

Cited by 14 publications

References 7 publications

Chorioangioma of Placenta: A Rare Case of Near-Miss Mortality

Chorioangioma of Placenta: A Rare Case of Near-Miss Mortality

Placental tumor (chorioangioma) as a cause of polyhydramnios: a case report

CD133 Expression in Placenta Chorioangioma Presenting as a Giant Asymptomatic Mass

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