Items tagged “obstetrics”
38 results found
Article
Calcified yolk sac
A calcified yolk sac has been described as a sign of intrauterine demise. The cause of yolk sac calcification in failed pregnancies is uncertain but is likely related to dystrophic calcification.
Radiographic features
Ultrasound
abnormal increased echogenicity of the yolk sac with posterior a...
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...
Article
Acute pelvic pain
Acute pelvic pain is a common presenting symptom to the emergency department and radiologist. Pelvic ultrasound with transabdominal and endovaginal approaches is usually the first line imaging modality.
Clinical presentation
non-cyclical pain usually of more acute onset
pain of <3 months dura...
Case
Omphalocele
Published
01 Feb 2015
94% complete
Ultrasound
Case
Pregnancy of uncertain viability
Published
10 Feb 2015
91% complete
Ultrasound
Case
Pregnancy of unknown location
Published
10 Feb 2015
100% complete
Ultrasound
Case
Surprise panda
Published
12 Feb 2015
29% complete
Ultrasound
Article
Bandl ring
A Bandl ring may be seen during imaging of a patient in labor.
Epidemiology
It is considered to be an uncommon finding in modern obstetrics (0.01-1.26%).
Pathology
It is a pathologic retraction ring at "Barnes boundary line", which separates the upper contractile portion of the uterus from l...
Case
Pulmonary sequestration (fetal MRI)
Published
27 Feb 2015
86% complete
Annotated image
MRI
Article
Fetal ventriculomegaly (differential)
Fetal ventriculomegaly (ventricle width >10 mm) is an important finding in itself and it is also associated with other central nervous system abnormalities. For more information, see the main article fetal ventriculomegaly.
Differential diagnosis
Fetal ventriculomegaly can be thought of in ter...
Article
Left ventricular outflow tract view (fetal echocardiogram)
The left ventricular outflow tract (LVOT) view (or five chamber view) is one of the standard views in a fetal echocardiogram.
It is a long-axis view of the heart, highlighting the path from the left ventricle into the ascending aorta (left ventricle outflow tract).
In this view, the right vent...
Article
Right ventricular outflow tract view (fetal echocardiogram)
The right ventricular outflow tract (RVOT) view (or three vessel view/3VV) is one of the standard views in a fetal echocardiogram. It principally assesses the right ventricular outflow tract. It is a long axis view of the heart, highlighting the path from the right ventricle into the pulmonary t...
Case
Fetal echocardiograph views
Published
15 Jul 2015
55% complete
Ultrasound
Annotated image
Case
Antenatal unilateral talipes equinovarus
Published
24 Jan 2016
75% complete
Ultrasound
Article
Fetal tricuspid regurgitation
Tricuspid regurgitation (TR) (also known as tricuspid insufficiency) is a common finding in imaging of the fetus. Tricuspid regurgitation represents the abnormal backflow of blood into the right atrium during right ventricular contraction due to valvular leakage (i.e. it is a valvulopathy).
Ep...
Case
Subchorionic hemorrhage
Published
28 Nov 2020
94% complete
Ultrasound
Case
Normal fetal biometry of a 16 weeks' gestational age
Published
18 Apr 2021
94% complete
Ultrasound
Case
Intrauterine fetal demise
Published
22 Jul 2023
94% complete
Ultrasound
Unable to process the form. Check for errors and try again.