1,822 results
Article
Beta-hCG
Beta-hCG (bHCG or β-hCG) is a sex hormone found in the mother's blood serum that can be used to help interpret obstetric ultrasound findings.
Beta-hCG levels may be used in three ways in the clinical setting of pregnancy:
qualitatively, for presence/absence of fetal tissue
more often determin...
Case
Cleft lip
Published
27 Dec 2011
82% complete
Ultrasound
Case
Fetal monitoring equipment
Published
06 Dec 2015
85% complete
X-ray
Case
Uterine choriocarcinoma
Published
22 Jan 2017
80% complete
CT
Case
Anencephaly
Published
07 May 2022
79% complete
Ultrasound
Article
Fetal transverse cerebellar diameter
In obstetric imaging, the fetal transverse cerebellar diameter (TCD) is often measured as an additional fetal biometric parameter. It is measured as the maximal diameter between the cerebellar hemispheres on an axial scan. The value of the transverse cerebellar diameter in mm's is considered rou...
Case
Heart in the mouth (Rorschach radiology)
Published
26 Jul 2019
22% complete
Ultrasound
Article
Binocular distance
The binocular distance (BOD) is a measurement between the two lateral (outer) canthi of each eye. It is sometimes used as a accessory fetal biometric parameter where it is often documented on both 2nd trimester anatomy scans on axial brain scans. The largest diameter of the orbit should be used ...
Article
Umbilical cord prolapse
Umbilical cord prolapse is a situation where the umbilical cord protrudes into the cervical canal.
Epidemiology
The estimated incidence is at 0.2-0.5% of all pregnancies 4,5.
Pathology
Associations
Recognised associations include
multifetal pregnancy: twin gestation
non cephalic/abnormal...
Article
False umbilical cord knot
False umbilical cord knots are commonly formed variants in the anatomy of the umbilical cord. It basically represents an exaggerated looping of the umbilical cord vessels, causing focal dilatation of the umbilical cord vessels.
Radiographic features
Ultrasound
bulge or protuberance in the umb...
Article
Congenital talipes equinovarus
Congenital talipes equinovarus is considered the most common anomaly affecting the feet diagnosed on antenatal ultrasound.
Terminology
While some use talipes equinovarus and clubfoot synonymously, in certain publications, the term clubfoot is considered a more general descriptive term that des...
Article
Forked umbilical cord
Forked umbilical cord is a rare anomaly of the umbilical cord, which can be detected on an antenatal scan. The umbilical cord splits into two cords and contains three vessels in each of the bifurcated cords. This anomaly is seen associated with monochorionic twins.
Radiographic features
Ultras...
Article
Umbilical cord entanglement
Umbilical cord entanglement is a feature which can mean either one or more loops of the umbilical cord encircling any part of the fetal body or two umbilical cords becoming entangled with each other 3. In the latter situation, it is a classical feature of a monochorionic-monoamniotic twin pregna...
Case
Subchorionic haemorrhage
Published
13 May 2020
75% complete
Ultrasound
Case
Calcified fetus
Published
11 Nov 2011
82% complete
X-ray
Case
Bilateral congenital talipes equino-varus deformity in fetus
Published
07 Jun 2013
75% complete
Ultrasound
Case
Interstitial ectopic pregnancy
Published
21 Oct 2020
79% complete
Ultrasound
Article
T sign (obstetrics)
The T sign is really the absence of a twin peak sign (or lambda (λ) sign) and is used in ultrasound assessment of a multifetal pregnancy.
It refers to the lack of chorion extending between the layers of the intertwin membrane, denoting a monochorionic pregnancy. The intertwin membrane comes to ...
Article
T sign (disambiguation)
The T sign has been described in several different pathologies:
T sign (obstetrics)
T sign (elbow MRI)
upper T sign (brain)
lower T sign (brain)
See also
tau sign
Case
Heterotopic pregnancy
Published
18 Jul 2018
91% complete
Ultrasound
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