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Topic: Choroid plexus cyst

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	Choroid Plexus Cyst \| Buzznick.com
		Choroid plexus cysts were originally described in 1984 and characterized as transiently visible...
		Choroid Plexus Cysts are believed to derive from folding of the neuroepithelium with...
		Choroid plexus cysts are seen in approximately 1% (1 in 100) of all second or third...
	www.buzznick.com /choroidplexuscst.html (136 words)

	Choroid Plexus Cyst
		The choroid plexuses are structures in the ventricles (spaces) of the brain that produce the cerebrospinal fluid.
		Choroid plexus cysts are seen during 1% to 3% of all mid-trimester prenatal ultrasound examinations [1].
		Choroid plexus cysts are believed to be caused by abnormal folding of the epithelium lining of the choroid plexus which traps fluid and debris [2,3].
	www.obfocus.com /high-risk/birthdefects/choroidplexus.htm (462 words)

	AANS.org \| Education and Meetings \| AANS Scientific Journals \| Neurosurgical Focus
		Cyst of the septum pellucidum may be approached via a right coronal burr hole and fenestrated from the right frontal horn to the cyst; in the patient in our Case 1 the endoscopic treatment resulted in a reduction of the cyst size and recanalization of the foramen of Monro.
		Cysts of the choroid plexus are rare and develop near the foramen of Monro, thus producing monoventricular hydrocephalus.[12,17] We think that the endoscopic approach to these cysts should be different, according to the cyst size and the residual lateral ventricle.
		In cysts of the cerebellopontine angle (as in Case 19) a retromastoidal burr hole allows the cystic cavity to be easily cannulated; the space between the facial and trigeminal nerves is suitable for a fenestration between the cyst and the prepontine cistern.
	www.aans.org /education/journal/neurosurgical/apr99/6-4-6.asp (4118 words)

	Choroid plexus - Wikipedia, the free encyclopedia
		The choroid plexus is the area on the ventricles of the brain where cerebrospinal fluid (CSF) is produced by modified ependymal cells.
		Choroid plexus is present in all components of the ventricular system except for the cerebral aqueduct and the occipital and frontal horns of the lateral ventricles.
		There is also choroid plexus on the fourth ventricle, on the section closest to the bottom half of the cerebellum.
	en.wikipedia.org /wiki/Choroid_plexus (203 words)

	Reference.com/Encyclopedia/Choroid plexus
		The choroid plexus is the area on the ventricles of the brain where cerebrospinal fluid (CSF) is produced by modified ependymal cells.
		Choroid plexus is present in all components of the ventricular system except for the cerebral aqueduct and the occipital and frontal horns of the lateral ventricles.
		There is also choroid plexus on the fourth ventricle, on the section closest to the bottom half of the cerebellum.
	www.reference.com /browse/wiki/Choroid_plexus (219 words)

	NeurosurgeryToday.org \| Media Center \| Fact Sheets \| Classification of Brain Tumors
		On rare occasions, these cysts may cause loss of neurologic function due to stretching normal nerve cells or putting pressure on the brain, producing seizures, or even causing a hemorrhage if a blood vessel is stretched across the cyst.
		Cysts may occur in isolation, or as part of a true tumor (such as a glioma, metastasis, or hemangioblastoma).
		Treatment is surgical, although it may not be possible to cure the cyst, as often the skin cells are firmly adherent to small nerves and blood vessels.
	www.neurosurgerytoday.org /media/fact/classification.asp (6235 words)

	LearningRadiology.com - Choroid Plexus Cyst,image,jpg,choroid,plexus,cyst
		Cyst-like spaces that occur in the choroid in approximately 1-6% of fetuses between 13 and 24 weeks gestation
		Likelihood ratio of trisomy 18 with isolated choroid plexus cyst ranges from 0.03 to 13.8 times the mother’s background risk
		ring-like calcifications in the region of the choroid plexus representing choroid plexus cysts
	www.learningradiology.com /archives05/COW%20145-Choroid%20Plexus%20Cyst/choroidcystcorrect.htm (158 words)

	Choroid Plexus Cysts (Site not responding. Last check: )
		The choroid plexus is the tissue within the brain, which produces the cerebrospinal fluid.
		Children with choroid plexus cysts are developmentally normal and indistinguishable from those in whom no cysts were seen on ultrasound examination during pregnancy.
		If a fetus with choroid plexus cysts has a detailed ultrasound, including views of the heart and of hands that open and close, and shows no other abnormalities, then the risk of Trisomy 18 is only 1 in about 250.
	www.wcox.com.au /choroid.htm (457 words)

	Bilateral choroid plexus cysts: What causes CPC's?
		Choroid plexus cysts may be detected in the fetal choroid plexus on routine second trimester ultrasound scanning.
		The world literature experience would indicate that the size of the choroid plexus cyst and the presence of bilateral cysts has no bearing on the magnitude of risk of chromosomal abnormality; 76 percent of babies with trisomy 18 also have other dysmorphic features which may be detectable by ultrasound.
		Choroid plexus cysts are commonly found in normal fetuses in the second trimester, but the presence of cysts is an indication for a targeted ultrasound scan for signs associated with aneuploidy.
	parenting.ivillage.com /pregnancy/pcomplications/0,,midwife_3plc,00.html (816 words)

	Choroid Plexus Cysts
		The choroid plexus is a tissue in the brain that produces cerebrospinal fluid.
		Fluid-filled cysts, called choroid plexus cysts or CPCs, are identified by ultrasound in approximately 1-2% of all pregnancies scanned between 16 and 24 weeks gestation.
		However, a fetal CPC is considered a “marker”, indicating that the baby may have an increased risk for a chromosome abnormality.
	www.gbmc.org /genetics/harveygenetics/prenataldx/PatientInformation/cpc.cfm (395 words)

	Chapter 3:
		noted a “spongy appearance of the plexus in the 14th week [that] was shown to develop into a simple cyst” in one case.
		As these CPC are not formed in the same manner as abdominal or pelvic serous cysts, it seems inappropriate to restrict the definition to fluid collections that have the classic ultrasound characteristics (round, anechoic, etc.).
		When a CPC is discovered, it must be realised that the cyst itself is merely a variant of the normal development of the plexus.
	www.expat-at-large.com /thesis/Chapter3.htm (830 words)

	uhrad.com - Body Imaging Files
		Choroid plexus appears in 6th week gestation, initially in the roof of the 4th ventricle, then in the lateral ventricles, and finally in the 3rd ventricle.
		Subsequently, growth of the choroid relative to that of the ventricles slows, until the choroid plexus has assumed its adult appearance by the 20th week of gestation.
		Choroid Plexus Cysts are believed to derive from folding of the neuroepithelium with subsequent accumulation of CSF and debris.
	www.uhrad.com /ctarc/ct019.htm (699 words)

	Choroid Plexus Cyst Content \| Choroid Plexus Cyst Articles (Site not responding. Last check: )
		Choroid plexus cysts in the fetus a benign anatomic variant.
		Choroid plexus cysts are small cystic areas in the choroid plexus.
		Choroid plexus cysts introduction you have just found out that the baby you are expecting has a choroid plexus cyst or several cysts.
	www.cysts-resource.info /choroid-plexus-cyst.html (1111 words)

	Should I Be Worried About a Cyst in My Baby's Brain?
		The choroid plexus is soft tissue in the ventricles, which are fluid-filled spaces located on both sides at the base of the brain.
		The choroid plexus itself is in the head but not in the brain per se, but it contains fluid that bathes the spinal cord (via the ventricles) and the brain itself.
		CPCs, which occur in as many as one in 40 normal pregnancies, are small cystic areas often found on routine second-trimester ultrasounds.
	www.webmd.com /content/article/43/3608_1148.htm?lastselectedguid={5FE84E90-BC77-4056-A91C-9531713CA348} (458 words)

	Ovid: Reinsch: Am J Obstet Gynecol, Volume 176(6).June 1997.1381-1383
		The choroid plexus is a large echogenic structure within the lateral ventricles.
		Cysts were evaluated as to their size, whether they were unilateral or bilateral, and if any other fetal abnormality was noted by ultrasonography.
		The cysts were unilateral in 166 of 301 (55%) and bilateral in 135 of 301 (45%).
	www.eric.vcu.edu /pub/Reinsch.html (1608 words)

	Ask an Expert: Choroid plexus cysts
		A choroid plexus cyst is a fluid-filled structure surrounded by normal tissue in the choroid plexus of the lateral cerebral ventricle - this is an area of the brain.
		Choroid plexus cysts can be seen on ultrasound in the fetal brain during the end of the first trimester and into the second trimester of pregnancy - this can be normal.
		Thus, when choroid plexus cysts are seen during pregnancy on ultrasound, it does not automatically mean the baby will be stillborn or definitely have trisomy 18 or other abnormalities.
	www.netwellness.org /question.cfm/23169.htm (419 words)

	Ultrasound Clinics: Diagnosing and managing fetal choroid plexus cysts - Although isolated CPCs rarely have any effect ...
		Visualizing the choroid plexus The choroid plexus is a highly vascular structure derived from the pia mater lining of the brain.
		Cysts in the choroid plexus may be found during routine sonography of the fetal brain as early as 14 weeks of gestation.
		So in hydrocephalus, the choroid plexus should be visible and distinct from the lateral wall of the ventricle.
	www.contemporaryobgyn.net /obgyn/article/articleDetail.jsp?id=150158 (749 words)

	BIBLIOGRAFIA - EVALUACION ECOGRAFICA DEL CORAZON FETAL
		Clark SL, Devore GR, Sabey PL, Prenatal Diagnosis of the fetal choroid plexus 1.988.
		The in utero diagnosis of the Dandy Walker syndrome diferentation from extra-axial posterior fossa cyst.
		Fetal choroid plexus Cysts in the second trimester of pregnancy: a causes of concern.
	www.medicosecuador.com /sncfetal/bibliografia.htm (2189 words)

	Choroid Plexus Cyst
		The choroid plexus is an area of the brain that is not involved thinking or personality.
		When a fluid-filled space is seen in the choroid plexus during an ultrasound, it is called a choroid plexus cyst (CPC).
		Regardless of their number, shape or size, choroid plexus cysts are not harmful to the baby.
	www.babyzone.com /features/content/display.asp?TopicID=2000&ContentID=1526 (757 words)

	Ultrasound - Online CME Courses (Site not responding. Last check: )
		Choroid plexus cysts are commonly observed during antenatal examination of the brain in 1% to 2% of normal fetuses.
		Choroid plexus cysts are observed prenatally from 15 to 26 weeks of pregnancy with resolution by the twenty-fourth week.
		When a choroid plexus cyst is found, surveys to exclude anomalies suggestive of a chromosomal abnormality are recommended.
	www.gehealthcare.com /inen/rad/us/education/msucmefh.html (3415 words)

	[No title]
		Sonographically detectable fetal choroid plexus cysts (CPC) were first described in 1984 and were initially regarded as a benign variant until 1986, when a link between choroid plexus cysts and trisomy 18 was postulated and further reinforced by subsequent studies.
		Our current protocol for the management of antenatally detected choroid plexus cysts is to offer amniocentesis as this finding is believed to be equivalent to the risks for a woman at age 35 years for delivering a child with a chromosome problem.
		CPC's occur within the choroid plexus and are thought to arise from fluid trapped within this spongy layer of cells.
	www.ucalgary.ca /UofC/faculties/medicine/medgenetics/bulletin/bul13-1.htm (3965 words)

	Health Links Content: Ultrasound Clinics: Diagnosing and managing fetal choroid plexus cysts
		Cysts in the choroid plexus may be found during routine sonography of the fetal brain as early as 14 weeks of gestation.
		They propose that a "low-risk" patient with a CPC on routine sonogram may be at higher risk when her a priori risk and sonographic findings are factored into her overall aneuploidy risk assessment regardless of normal biochemical screening results.
		Choroid plexus cyst and echogenic intracardiac focus in women at low risk for chromosomal anomalies: the obligation to inform the mother.
	healthlinks.mediwire.com /main/Content.aspx?ArticleID=150158 (2432 words)

	Choroid plexus cyst - fetal choroid plexus cyst
		The fluid produced by the cells of the choroid plexus fills the ventricles and then flows around the brain and the spinal cord to provide choroid choroid plexus cyst downs plexus cyst journal a cushion of fluid around these structures.
		CPCs are often called "soft signs" or fetal ultrasound "markers" because some studies have found a weak choroid plexus fetal choroid plexus cyst cyst association between CPCs and fetal chromosome abnormalities.
		Genetic counseling is often recommended to provide more information about fetal CPCs, to answer questions and concerns, and choroid plexus cyst on ultrasound to outline available choroid plexus cyst downs journal options such as amniocentesis.
	www.medicalgeo.com /Med-Diseases-C---Ch/Choroid-plexus-cyst.html (466 words)

	GENASSIST: f. What is a choroid plexus cyst? (Site not responding. Last check: )
		With a remarkable improvement in technology for studying the fetus during pregnancy, choroid plexus cysts of the lateral ventricle of the brain may be detected in as many as 1:120 pregnancies when ultrasound imaging is performed between 15 and 20 weeks gestation.
		Occassionally, these cysts are found in infants with chromosomal abnormalities; primarily trisomy 18 and to a lesser degree trisomy 21 (Down syndrome).
		Choroid plexus cysts which are sausage shaped or larger than 10 mm, and those which are bilateral and the presence of other anatomical abnormalities are more likely to be significant to the fetus.
	www.genassist.com /printpage.asp?itemid=236&dispdetail=yes&imgpath=apps/healthques/images (178 words)

	Choroid plexus at AllExperts
		The choroid plexus is the area on the ventricles of the brain where cerebrospinal fluid (CSF) is produced.
		Choroid plexus is present in the superior part of the inferior horn of the lateral ventricles.
		There is also choroid plexus on the fourth ventricle, on the section closest to the bottom half of the cerebellum.
	en.allexperts.com /e/c/ch/choroid_plexus.htm (208 words)

	AmnioNet : Brain Development I// Choroid Plexus Cysts
		The choroid glomi are paired structures that produce cerebro-spinal fluid, which is a sugar rich material that bathes the brain and spinal cord, nourishing and supporting nerve cell growth.
		Both choroid glomi ('glomus' is singular, 'plexus' is an equivalent term) are the first structures to be identified ultrasonically within the head, being visible 5 to 6 weeks after conception.
		BUT, choroid cysts (big enough to be seen ultrasonically) are associated with an small but definitely increased chance of chromosome problems (especially, but not only, extra chromosome or trisomy #18).
	www.amnionet.com /p67.htm (291 words)

	The isolated choroid plexus cyst -- Morcos et al. 92 (2): 232 -- Obstetrics & Gynecology
		The records of all cases in which a choroid plexus cyst was found were reviewed, and information was abstracted regarding the fetal karyotype and the presence of other sonographic abnormalities.
		Autosomal aneuploidy was found in one patient with an isolated choroid plexus cyst (trisomy 21) and in another with additional findings (trisomy 18); the mothers of both of these patients were at least 35 years old.
		For those fetuses with known outcome, the risk of aneuploidy with isolated choroid plexus cyst (one in 180) was not statistically significantly different from that associated with choroid plexus cyst accompanied by other sonographic findings (one in 26).
	www.greenjournal.org /cgi/content/abstract/92/2/232 (371 words)

	Choroid plexus cyst in five year old
		The cyst is always going to be there - it has to be since the brain developed with it there - but it does not have to put so much pressure on the brain that it causes him health problems.
		A choroid cyst are nonneoplastic epithelial lined cysts that usually occur within the glomus.
		Arachnoid cyst has been mentioned on each one but on several it also mentioned that it was arising from the choroid plexus so I thought it the choroid plexus was a structure that got stretched into the arachnoid cyst.
	www.medhelp.org /perl6/neuro/archive/17077.html (883 words)

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