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Updated: Feb 22, 2026

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
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Resonancia Magnética Portátil de Campo Ultra Bajo con Gadolinio para la Evaluación de Diversas Patologías

Habeeb F Kazimuddin1, Ajay Pathakamuri1, June Yi1

  • 1From the Mobile Clinical Research Unit (H.F.K., A.P., S.G.H.), Clinical Trial Unit (J.Y.), Pediatric Neurology Consultation Service (A.S.), Acute Cerebrovascular Diagnostics Unit (C.T., L.L.L.), Surgical Neurology Branch (D.A.B.), and Translational Neuroradiology Section (D.S.R.), National Institutes of Neurological Disorders and Stroke, National Institutes of Health.

AJNR. American journal of neuroradiology
|February 20, 2026
PubMed
Resumen

La resonancia magnética portátil de campo ultra bajo (pULF-RM) puede mostrar realce de contraste de gadolinio en diversas afecciones cerebrales, igualando los resultados de la resonancia magnética de 3 teslas. Esto demuestra la pULF-RM

Palabras clave:
Resonancia magnética portátil de campo ultra bajoGadolinioRealce de contrastePatologías intracranealesNeuroimagenAcceso a la RM

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Área de la Ciencia:

  • Imagenología Médica
  • Neurología
  • Resonancia Magnética

Sus antecedentes:

  • Los escáneres de resonancia magnética portátil de campo ultra bajo (pULF-RM) están aumentando la accesibilidad a la RM.
  • El valor diagnóstico de la pULF-RM con contraste no se comprende bien.

Objetivo del estudio:

  • Evaluar la capacidad de la pULF-RM para detectar patrones de realce de contraste de utilidad diagnóstica.
  • Comparar el realce de contraste de la pULF-RM con los hallazgos de la RM de 3 teslas (3T).

Principales métodos:

  • Se estudiaron cinco casos neurológicos (meningiomas, infección, oligodendroglioma, hematoma subdural).
  • Se administraron agentes de contraste (gadoteridol, gadobutrol, gadopiclenol).
  • Los patrones de realce en la pULF-RM se compararon cualitativamente con cortes de RM de 3T coincidentes.

Principales resultados:

  • El realce poscontraste fue visible en la pULF-RM en todos los casos.
  • Los hallazgos de la pULF-RM se correspondieron con los de la RM de 3T.
  • Las limitaciones incluyeron tejidos calcificados, pequeños o heterogéneos con realce debido a factores como efectos de volumen parcial y SNR.

Conclusiones:

  • La pULF-RM puede representar el realce de gadolinio de significado diagnóstico en diversas patologías.
  • La pULF-RM con contraste muestra viabilidad y potencial utilidad clínica.
  • La validación adicional de los casos de uso puede mejorar la atención neurológica donde el acceso a la RM estándar es limitado.