How can we help?

You can also find more resources in our Help Center.

42 terms

OB/GYN Chapter 44

STUDY
PLAY
Congenital Hernia of the umbilicus that is covered with a membrane: cord may be seen in the middle of the mass.
Omphalocele
Protrusion of the brain from the cranial cavity
Cephalocele
Congenital Absence of the brain ans cranial vault with the cerebral hemispheres missing or reduced to small masses
Anencephaly
A nonlethal Genetic abnormality in which chromosomal makeup is 45 XO instead of the normal 46 XX or XY
Turner's Syndrome
Congenital fissure that remains open in the wall of the abdomen just to the right of the umbilical cord; bowel and other organs may protrude outside the abdomen from this opening
Gastroschisis
During the first trimester, the bowel normally herniates outside the abdominal cavity between 8 and 12 weeks.
Bowel Herniation
A congenitally deformed fetus is which the brain substance protrudes through a fissure in the occiput so that the brain and spinal cord occupy a single cavity.
Iniencephalus
Dilation of the ventricular system wihtout enlargement of the cranium.
Ventriculomegaly
Partial or complete absence of the cranium
Acrania
Fluid-filled structure, initially surrounding the neck; may extend upward to the head or laterally to the body.
Cystic Hygroma
Failure of forebrain to divide into cerebral hemispheres, which results in a single large ventricle with varying amounts of cerebral cortex that has been known to occur with trisomies 13 to 15 and trisomies 13 to 15 and trisomy 18.
Holoprosencephaly
Pregnancy occuring in the fallopian tube near the cornu of the uterus
Interstitial Pregnancy
A Physiologic cyst that develops within the ovary after ovulation and that secretes progesterone and prevents menses if fertilization occurs; may persist until 16th to 18th weeks of pregnancy.
Corpus Luteum Cyst
Simultaneous intrauterine and extrauterine pregnanct
Heterotopic Pregnancy
Ovum without an embryo
Anembryonic Pregnancy
Pregnancy outside the uterus
Ectopic Pregnancy
Retained products of conception
Incomplete abortion
Decidual reaction that occurs within the uterus in a patient with an ectopic pregnancy
Pseudogestational sac
Complete removal of all products of conception, including the placenta
Complete Abortion
Conditon in which trophoblastic tissue overtakes the pregnancy and propgates throughout the uterine cavity
Gestational Trophoblastic Disease
The domiant structure seen within the embryonic cranium within the first trimester is that of the ______ which fills the lateral ventricles that it turn fill the cranial vault.
Choroid Plexus
_______ of the cranial vault is not complete in the first trimester; the resulting false cranial border definition may give the rise to a faulse-negative diagnosis.
ossification
An abnormality that may be seen near the end if the first trimester when there is absence of cranium superior to the orbits with preservation of the base of the skull and facial features with the brain projected from the open cranial vault is _____
anencephaly
In________ the choriod plexus is shown to be "dangling" in the dilated dependent lateral ventricle
Ventriculomegaly
On sonogrpahy a large posterior fossa cyst that is continuous with the fourth ventricle, elevated tentorium,and dilation of the third and lateral ventricles may be seen in a fetus with_______.
Dandy-Walker Malformation
The fetal urinary bladder becomes sonogrpahically apparent at _____ weeks of gestation.
10 to 12
One of the most common abnormalities seen sonographically in the first trimester is _______.
Cystic Hygroma
A potential Diagnostic pitfall for the sonographer is misinterpreting the hypoechoic or sonolucent embryonic skin surface in the region of the posterior neck. This has been described as the _________ sign and should not be confused with cystic hygroma, encephalocele,cervicle meningomyelocele, teratoma, or hemangioma
Pseudomembrane
Sonographically, placental hematomas may be difficult to distinguish from____ hemorrhages.
Subchorionic
By far the most coomon ovarian mass seen in the first trimester of pregancy is a(N)________ cyst.
Corpus Luteum
What are associated risk factors for ectopic pregnancy
Previous pelvic Infectioins, IUCD, Fallopian Tube Surgery, Infertility Treatments, and previous Ectopic Pregnancy
The most important finding when scanning for ectopic pregnancy is to determine if there is a normal intrauterine gestation (thus ruling out the possibility of an ectopic pregnancy) or if the uterine cavity is _______ and adnexal ____ is present.
Empty, Mass
As many as 20% of patients with ectopic pegnancy demonstrate an intrauterine saclike structure known as the _______.
Pseudogestational Sac
Cornual Pregnancy, or _____ is potentially the most life threatening of all ectopic gestations.
Intertital Pregnancy
Embryonic cardiac rates of less than _____ beats per minute at any gestational age within the first trimester have been shown to be a poor prognostic finding
90
The most common occurence of bleeding in the first trimester is from _________ hemorraghe.
Subchorionic
Characteristics for the sonographic diagnosis of _____ abortion consist of an empty uterus with no adnexal masses or free fluid and positive hCG levels.
Complete
Several sonographic findings may be shown with______ abortion, ranging from an intact gestational sac with a nonliving embryo to a collapsed gestational sac that is grossly misshapen
Incomplete
A proliferative disease of the trophoblast after a pregnancy is ______ disease.
Gestational Trophoblastic
In the above condition, the serum levels of beta-hCG are dramatically_______, often greater than 100,000 IU/mL.
Elevated
The characteristics_________ appearance of hydatidiform mole, which includes a moderately echogenic soft tissue mass filling the uterine cavity and studded with small cystic spaces representing hydropic chorionic villi, may be seen on ultrasound.
Snowstorm
Bilateral _______ cysts have been reported in as many as half of the molar pregnancies.
Thecalutein