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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Murine Fetal Echocardiography
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Fetal skeletal computed tomography: when? How? Why?

G Gorincour1, K Chaumoitre2, B Bourliere-Najean3

  • 1Department of Pediatric and Prenatal Imaging, La Timone Children's Hospital, 264, rue Saint-Pierre, 13385 Marseille Cedex 5, France; Multidisciplinary Department of Prenatal Diagnosis, La Timone Children's Hospital, 264, rue Saint-Pierre, 13385 Marseille Cedex 5, France.

Diagnostic and Interventional Imaging
|September 14, 2014
PubMed
Summary
This summary is machine-generated.

Fetal skeletal computed tomography (CT) offers valuable insights for suspected bone abnormalities, particularly in focal dysostosis. However, follow-up is crucial, especially for isolated short femurs where CT is often normal.

Keywords:
2D ultrasoundCTConstitutional bone diseasesPrenatal diagnosis

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Area of Science:

  • Medical Imaging
  • Prenatal Diagnosis
  • Skeletal Dysplasias

Background:

  • Prenatal diagnosis of skeletal abnormalities relies heavily on ultrasound.
  • Computed tomography (CT) offers higher resolution but its role in prenatal bone assessment requires further clarification.

Purpose of the Study:

  • To evaluate the added value of fetal skeletal CT in diagnosing suspected prenatal bone abnormalities.
  • To assess the diagnostic performance of CT compared to ultrasound in specific fetal skeletal conditions.

Main Methods:

  • Retrospective study across two centers involving fetuses with suspected constitutional bone disease or focal dysostosis.
  • Patients categorized into groups based on clinical presentation: isolated short femur, bowed/fractured femur, biometric discrepancy, and suspected focal dysostosis.
  • Analysis of CT findings against postnatal/postmortem confirmations.

Main Results:

  • 198 fetuses included; CT performed for various indications including isolated short femur (56%) and focal dysostosis (24%).
  • CT was normal in 64% of cases overall, with higher normal rates in isolated short femur (87%).
  • CT provided additional/more accurate information than ultrasound in 20-72% of cases, depending on the indication, with highest utility in suspected focal dysostosis and fractured femurs.

Conclusions:

  • Fetal skeletal CT is frequently normal in isolated short femur cases, but mandatory follow-up is essential due to high loss to follow-up rates.
  • CT can confirm or enhance imaging for suspected focal dysostosis and constitutional bone diseases, improving diagnostic accuracy.