2020, Number 4
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Medicina & Laboratorio 2020; 24 (4)
Placental chorioangioma: case report in the Pathology Unit of the San Juan de Dios E.S.E. Hospital in Rionegro-Antioquia
Torres-Correa JE, Sánchez-Montoya MA, Sandoval-Sánchez J, Castro-Álvarez JF
Language: Spanish
References: 23
Page: 325-332
PDF size: 1215.05 Kb.
ABSTRACT
Among vascular gestational nontrophoblastic tumors, chorioangioma is
the most common. It is characterized by an exaggerated proliferation of vascular
structures, with endothelial cells and chorionic villi that generate abnormalities of
both arterial and venous blood vessels. It has an incidence of less than 1%, with
perinatal mortality rates between 18% to 40%. We present the case of a 21-year-old
patient without previous prenatal controls, with a placental chorioangioma diagnosed
at 26 weeks of gestation that formed a 7 cm accessory lobe, with positive staining
during immunohistochemical analysis for smooth anti-muscle antibodies and
CD34, and negative for Ki67. The placental chorioangioma triggered complications
during pregnancy, with preterm delivery, hydrops fetalis, and intrauterine growth
retardation leading to fetal death. The lack of prenatal control in our patient prevented
an early detection of placental abnormalities with a fatal outcome for the fetus.
Adequate prenatal control with ultrasound monitoring can avoid fatal events such as
the one presented. Macroscopic and microscopic analysis of the placenta can help
identify cases and contribute to incidence and mortality statistics.
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