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Related Concept Videos

Anatomy of the Brain: Ventricles01:18

Anatomy of the Brain: Ventricles

There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen. The...
Fetal Circulation01:14

Fetal Circulation

Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...

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Anatomic Approach to Fetal Hydrocephalus.

April M Griffith1, Susan E Dalton1, Paula J Woodward1

  • 1From the Departments of Radiology and Imaging Sciences (A.M.G., P.J.W., A.M.K.) and Obstetrics and Gynecology (S.E.D.), University of Utah Health, 30 N Mario Capecchi Dr, Salt Lake City, UT 84112; and University of Utah School of Medicine, Salt Lake City, Utah (J.N.C.).

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|January 9, 2025
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Summary
This summary is machine-generated.

Ventriculomegaly, a precise term for enlarged brain ventricles, requires accurate imaging and measurement for diagnosis. An algorithmic approach aids fetal radiologists in identifying causes, crucial for pregnancy management and counseling.

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Area of Science:

  • Fetal radiology
  • Neuroimaging
  • Pediatric neurology

Background:

  • Hydrocephalus is an imprecise term for cerebrospinal fluid imbalance.
  • Ventriculomegaly, the enlargement of the ventricular system, is a more precise diagnostic term.
  • Accurate diagnosis is essential due to variable outcomes and recurrence risks.

Purpose of the Study:

  • To present a precise, anatomically based algorithmic approach for diagnosing ventriculomegaly in fetuses.
  • To emphasize the importance of imaging and measurement techniques in grading severity.
  • To guide fetal radiologists in differentiating causes and informing pregnancy management.

Main Methods:

  • Anatomically based approach to assess ventricular anatomy and measure ventriculomegaly.
  • Systematic review of key decision points for differential diagnosis.
  • Focus on ultrasound (US) and magnetic resonance imaging (MRI) findings for specific conditions.

Main Results:

  • The proposed algorithm systematically evaluates the posterior fossa, midline brain, and cortical mantle.
  • Highlights US and MRI findings to differentiate between similar-appearing conditions.
  • Aids in narrowing the differential diagnosis of fetal ventriculomegaly.

Conclusions:

  • An algorithmic approach improves the accuracy of diagnosing fetal ventriculomegaly.
  • Informed diagnosis is vital for effective pregnancy counseling and management.
  • This method empowers radiologists to provide critical information for fetal care.