Hamartomalike growth in the placenta consisting of blood vessels. Major problems in pathology, 2nd ed, wb saunders co, london 1997. Mar 23, 2000 most obstetricians and pediatricians would agree that the examination of the pla centa often helps to explain an abnormal neonatal outcome. A chorioangioma is the most common benign tumor of the placenta. We want to help promote all of your pathology related books. Department of pathology, vardhman mahavir medical college and safdarjung hospital, new delhi, india keywords.
She served on the faculty of tufts university school of medicine and then harvard medical school, boston, for a total of 22 years. Most obstetricians and pediatricians would agree that the examination of the pla centa often helps to explain an abnormal neonatal outcome. Pregnancy with concomitant chorioangioma and placental mesenchymal dysplasia pmd coexisting with a normal viable fetus is very rare. Chorioangioma is the term used to describe an abnormal proliferation of vessels arising from chorionic tissue. Placental grossmicroscopic abnormalities, nonneoplastic. Lecturer department of obstetrics and gynaecology, university of hong kong, tsan yuk hospital, hospital road, hong kong. In the latter part of the study, threedimensional power doppler angiography was also used to study the vascular pattern of the tumor. It includes the structure and function of the normal placenta and then. Placental tumor chorioangioma as a cause of polyhydramnios. Chorioangioma definition of chorioangioma by medical. Pathology of the placenta, 3e major problems in pathology.
Oct 03, 2019 the topic placental chorangioma you are seeking is a synonym, or alternative name, or is closely related to the medical condition chorangioma of placenta. Based upon the gold standard textbook currently in its fifth edition. Cystic filled with dark brown fluids also known as crankcase oil containing cholesterol crystals. At 35 weeks of gestation it measured 60 x 57 mm and appeared as a well delineated hypoechoic image. The techniques of gross placental examination are not difficult, but a systematic approach is necessary to be complete. Pregnancies with large chorioangiomas are associated with maternal and fetal complications, such as growth restriction, cardiomegaly, congestive heart failure, fetal anemia, thrombocytopenia, nonimmune hydrops and intrauterine fetal death.
Nontrophoblastic tumor of the placenta with combined histologic features of chorangioma and leiomyoma. In the surgical pathology clinics, essential gross examination of the placenta is presented with an abundance of images along with clear steps in the examination. They are vascular tumors with the majority being single, small, encapsulated and intraplacental. Textbook of fetal and perinatal pathology, 2nd ed, wigglesworth js. At 29 weeks an ultrasonography disclosed a normal placenta. Mar 16, 2020 webpathology is a free educational resource with 10328 high quality pathology images of benign and malignant neoplasms and related entities. Full text placental tumor chorioangioma as a cause of. Large placental hemangioma diagnosed by ultrasonography.
By virtue of their size, chorioangiomas are very unlikely to be detected during gross pathological examination, unless the placenta is carefully. Chorioangiomas probably act as shunts between arteries and veins. Placental site nodule represents a retained noninvoluted placental site tissue which may have remained in the uterus for several years after the pregnancy from which it resulted. Benign tumor of the placenta composed of blood vessels and stroma. Placental chorioangioma patient case study cincinnati.
Agreed nomenclature, nosology, definitions and, where possible, thresholds for meaningful clinical corrections for lesions ideal for practical application in clinical practice are presented. Chorangioma, placenta, chorangiosis abstract placental chorangiomas are benign vascular tumours of placenta arising from chorionic tissue with an average incidence of 0. Focused chorangioma with stained slides of pathology. Chorangioma of the placenta is a rare tumor with a frequency of about 1%, which usually presents as a solitary nodule or, less frequently, as multiple nodules. Manual of pathology of the human placenta second edition. Placental chorioangioma is the most common benign tumor of the placenta. Definition of chorioangioma, placental medicinenet. Chorangioma of placenta is a benign tumor of the placenta composed of blood vessels. Case report chorangioma with chorangiosis, placenta. Placental and gestational pathology hardback with online. Cases of placental chorioangioma diagnosed prenatally as part of a prospective, multicentric program for fetal diagnosis and therapy were identified. The case was first identified by prenatal ultrasonography, but the prenatal diagnosis only included chorioangioma.
Picture of the month article in ultrasound in obstetrics and gynecology 166. Maternal floor infarction and massive perivillous fibrin deposition. Chorangioma is an uncommon pathology of the placenta that is similar to a hemangioma. Atlas of nontumor pathology, first series fascicle 3 kaplan, cynthia g md the american journal of surgical pathology. Placental pathology offers insight into both acute and chronic events. An important differential is intramuralsubmucosal fibroid, however intraplacental location and internal vascularity with feeding vessel, favor the diagnosis of chorioangioma. This book provides a comprehensive resource for the practising pathologist in general practice, and both community, and teaching hospitals on placental. Afip atlas of nontumor pathology placental pathology. Most common tumor of the placenta incidence 1% rare tumors 2010. Chorioangioma definition of chorioangioma by medical dictionary. Pregnancy with concomitant chorioangioma and placental.
Pathology outlines recommended books by our editorial board. A case series uma s andola, shabnam karangadan 1, sainath k andola 1, rajashekhar jewargikar 1 department of obstetrics and gynecology, 1 resident, professor and head of department, professor, department of pathology, mahadevappa. Placental chorioangioma is the most common type of placental tumor. The largest retrospective study of 22000 placental examinations showed 8 chorioangioma with an incidence of 0. They may also sequester platelets and can, in turn, give a fetal thrombocytopenia. Possibility of chorioangioma of placenta was considered. The pathology report came back and it said that there were numerous blood clots in the placenta, one of the veins was missing from the umbilical cord and our baby had iugr and was a. Dec 31, 2010 chorangioma of the placenta is a rare tumor with a frequency of about 1%, which usually presents as a solitary nodule or, less frequently, as multiple nodules. Placental site nodule, abbreviated psn, is a benign remnant of a placenta. The topic placental chorangioma you are seeking is a synonym, or alternative name, or is closely related to the medical condition chorangioma of placenta. Based upon the gold standard textbook currently in. Large chorioangiomas can cause complications, including excess amniotic fluid polyhydramnios, maternal and fetal clotting problems coagulopathies, premature delivery, toxemia, fetal heart failure, and hydrops excess fluid affecting the fetus. Pediatric pathology is a pathology subspecialty requiring a specific board certification. From the obstetrical department and pathological laboratory of the buffalo childrens and general hospitals and the lnirersity of buffalo medical school w e wish to describe the gross and histologic findings in a case of a chorioangioma of the placenta.
A placental site nodule is a well circumscribed hyalinized lesion composed of chorionictype intermediate trophoblastic cells. This book provides a comprehensive resource on the pathology of the human singleton placenta. Case of large placental chorioangioma associated with diffuse. Pathology of the placenta, 3e major problems in pathology hardcover jul 09, 2007 fox md frcpath frcog, harold and sebire mb bs frcpath, neil. Fox, h, elston, cw 1978 nontrophoblastic tumors of the placenta in. Chorioangioma, originally described by clarke in 1798, is the most common tumor of the placenta, with reported prevalence of approximately 0. It is found on the fetal surface of the placenta or in placental parenchyma. As a reference book on gynecologic and obstetric pathology, it is targeted for practicing pathologists, pathology residents, gynecologic pathology and oncology fellows, clinicians, healthcare providers, and biomedical researchers and is intended for use as a bench or scope side reference, resource for studying for board examinations or to satisfy any interest in certain topics within the field of gynecologic pathology. Delivery took place at 38 weeks by cesarean section and the child was normal.
The pathology report came back and it said that there were numerous blood clots in the placenta, one of the veins was missing from the umbilical cord and our baby had iugr and was a few weeks behind on growth. Chorioangiomas are the most common tumor of the placenta, with an estimated prevalence of 1%. Lecturer department of obstetrics and gynaecology, university of hong kong, tsan yuk. Over 490 illustrations the third fascicle of the atlas of nontumor pathology offers a concise guide to understanding the placenta. Please note, we cannot offer medical advice and encourage members to discuss their concerns with their doctors. However, most chorioangiomas are small, asymptomatic lesions that are only found postnatally after careful slicing of the placenta. Most chorioangiomas are small and are found incidentally at screening obstetric us examinations. As early as in 1892, bal lantyne wrote that a diseased faetus without its placenta is an imperfect specimen, and a description of a foetal malady, unless accompanied by a notice of the placental condition, is incomplete. Placental pathology, an issue of surgical pathology clinics. Webpathology is a free educational resource with 10308 high quality pathology images of benign and malignant neoplasms and related entities.
It is the most common tumor of the placenta the placenta is an organ that connects the developing fetus to the uterine wall. A chorioangioma is thought to arise as a malformation of the primitive angioblastic tissue of the placenta. Antenatal diagnosis of chorioangioma of the placenta ba spirt, l gordon, wn cohen, t yambao american journal of roentgenology. The angiomas are perfused by the fetal circulation and thus, when they are large, may represent a significant impediment to fetal cardiac activity. Perinatal outcome after prenatal diagnosis of placental. Placental site nodule journal of postgraduate gynecology. Placenta the human placenta is composed of both maternal and fetal tissues. Doctors from the cincinnati fetal center used a novel combination of bipolar cautery along with a diode laser to successfully devascularize a placental chorioangioma. Antenatal embolization of a large placental chorioangioma. Visible in this section are the decidua basalis, which is derived from the maternal endometrial lining, and the chorionic villi, which emerge from the chorion that surrounds the embryo. Boyd is associate professor of pathology and director of anatomic pathology at boston childrens hospital, and a staff member of the division of womens and perinatal pathology at brigham and womens hospital. Chorangioma of placenta with high risk pregnancy journal of basic and clinical reproductive sciences january june 2014 vol 3 issue 1 73 stated that the sonographic appearance of a chorioangioma was indistinguishable from that of a placental hemorrhage. Placental chorioangiosis rarely occurs in normal pregnancies.
They were more seen in multiple pregnancies and in female babies. Chorangioma high quality pathology images of gynecologic. Other articles where placenta membranacea is discussed. Case of large placental chorioangioma associated with. Aug 12, 2018 chorangioma of placenta is a benign tumor of the placenta composed of blood vessels. The pathology of the human placenta, 3rd ed, springerverlag, new york 1995. Please note, we cannot offer medical advice and encourage members to. The book, placental pathology, is divided into fourteen chapters and an appendix. Placental chorioangioma radiology reference article. The majority of pregnancies with chorioangiomas are asymptomatic. Most common type for all age groups especially the 1st two decades of life. Most chorangiomas are small and possess no clinical significance.