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Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography
Published on: June 21, 2024
Contrast-enhanced ultrasound of the kidneys and adrenals in children
Susan J Back1,2, Patricia T Acharya3, Richard D Bellah4,5
1Department of Radiology, Children's Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA, 19104, USA. backs@email.chop.edu.
Insights
Contrast-enhanced ultrasound (CEUS) shows promise for pediatric kidney and adrenal gland evaluations, though it remains an off-label use. Extrapolating adult data suggests significant opportunities for clinical application in children.
Area of Science:
- Pediatric Radiology
- Medical Imaging
- Ultrasound Technology
Background:
- Contrast-enhanced ultrasound (CEUS) applications in pediatrics are expanding.
- Intravenous contrast agents for pediatric kidney and adrenal gland evaluation are off-label.
- Established adult CEUS knowledge can inform pediatric use.
Purpose of the Study:
- To review current pediatric CEUS experience for kidneys and adrenal glands.
- To identify potential clinical uses of CEUS in pediatric patients.
- To bridge the gap between adult and pediatric CEUS applications.
Main Methods:
- Review of current literature and clinical experience.
- Extrapolation of established adult kidney CEUS findings to pediatric cases.
- Focus on applications for pediatric renal and adrenal imaging.
Main Results:
- Pediatric kidney CEUS applications mirror adult uses: ischemic disorders, tumor differentiation, lesion evaluation, pyelonephritis, and abscesses.
- Pediatric adrenal CEUS is limited, primarily for trauma assessment and hemorrhage vs. mass differentiation.
- Significant potential exists for pediatric CEUS in renal and adrenal imaging.
Conclusions:
- Pediatric CEUS for kidneys and adrenal glands offers valuable diagnostic opportunities.
- Further research and guideline development are needed for off-label pediatric CEUS use.
- CEUS can enhance the evaluation of pediatric renal and adrenal conditions.
Abstract:
Pediatric applications of contrast-enhanced ultrasound (CEUS) are growing. Evaluation of the kidneys and adrenal glands in children using intravenous administration of US contrast agents, however, is still an off-label indication. Pediatric CEUS applications for kidneys are similar to those in adults, including ischemic disorders, pseudo- versus real tumors, indeterminate lesions, complex cystic lesions, complicated pyelonephritis, and abscesses. CEUS applications for evaluation of adrenal glands in children are limited, mainly focusing on the assessment and follow-up of adrenal trauma and the differentiation between an adrenal hemorrhage and a mass. This review addresses the current experience in pediatric CEUS of the kidneys and adrenal glands. By extrapolating the established knowledge for US contrast evaluations in the adult kidney to the pediatric context we can note opportunities for CEUS clinical use in children.
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