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Related Concept Videos

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
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Multimodality Diagnosis of Mesenteric Ischemia
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Multimodality imaging of pediatric ascariasis.

Mariana Ribeiro Rodero Cardoso1,2, Yoshino Tamaki Sameshima3, Fernanda Del Campo Braojos Braga4

  • 1Department of Pediatric Radiology, Hospital da Criança e Maternidade, 60 Jamil Feres Kfouri Ave, São José do Rio Preto, São Paulo, 15091-240, Brazil. marirodero@gmail.com.

Pediatric Radiology
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Summary

Ascariasis, a roundworm infection, can cause serious complications like bowel obstruction when parasites invade ducts or form masses. Multimodality imaging is key for diagnosing and managing this intestinal helminthic infection.

Keywords:
Ascaris lumbricoidesChildrenComputed tomographyHelminthsPediatricsUltrasonography

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Area of Science:

  • Medical Parasitology
  • Diagnostic Imaging
  • Gastroenterology

Background:

  • Ascariasis is a common intestinal helminthic infection caused by Ascaris lumbricoides (roundworm).
  • While often asymptomatic in the small bowel, Ascaris can cause severe complications when migrating to the biliary or pancreatic ducts.
  • Large worm burdens can lead to critical conditions such as intestinal obstruction.

Purpose of the Study:

  • To highlight the significance of morphological identification of Ascaris lumbricoides.
  • To emphasize the role of multimodality imaging in diagnosing ascariasis.
  • To underscore the importance of imaging in monitoring and preventing complications of ascariasis.

Main Methods:

  • Review of clinical cases and imaging findings associated with Ascaris lumbricoides infections.
  • Utilizing multimodality imaging techniques (e.g., ultrasound, CT, MRI) for parasite visualization.
  • Correlation of imaging findings with clinical presentation and outcomes.

Main Results:

  • Morphological identification of Ascaris was successfully achieved using various imaging modalities.
  • Imaging demonstrated parasite migration into the biliary and pancreatic ducts, as well as intestinal obstruction.
  • Early and accurate diagnosis via imaging facilitated timely intervention and management.

Conclusions:

  • Multimodality imaging is indispensable for the diagnosis of ascariasis, particularly in complicated cases.
  • Imaging aids in the detection of ectopic parasite locations and potential complications like bowel obstruction.
  • Effective use of imaging is crucial for guiding treatment and preventing severe outcomes in ascariasis.