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Skull Base–related Lesions at Routine Head CT from the Emergency Department: Pearls, Pitfalls, and Lessons Learned
Autores: Hernan R. Bello MD, Joseph A. Graves MD, Saurabh Rohatgi MD, Mona Vakil MD, Jennifer McCarty MD, Rudy L. Van Hemert MD, Stephen Geppert MD, Ryan B. Peterson MD,
La radiografía simple es un método diagnóstico útil en el seguimiento de pacientes en servicios de hospitalización, cirugía y unidad de cuidados intensivos. Este artículo ofrece una visión general de los dispositivos pediátricos más usados. También se describen de manera breve las indicaciones, hallazgos radiológicos y complicaciones asociadas a la inserción de los dispositivos. Esta información permite reconocer y confirmar la adecuada posición e identificar oportunamente los dispositivos mal ubicados, que pueden causar complicaciones graves.
Palabras clave: Prótesis e implantes, Unidad de cuidados intensivos, Tórax
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Routine non–contrast material–enhanced head CT is one of the most frequently ordered studies in the emergency department. Skull base–related pathologic entities, often depicted on the first or last images of a routine head CT study, can be easily overlooked in the emergency setting if not incorporated in the interpreting radiologist’s search pattern, as the findings can be incompletely imaged. Delayed diagnosis, misdiagnosis, or lack of recognition of skull base pathologic entities can negatively impact patient care. This article reviews and illustrates the essential skull base anatomy and com-mon blind spots that are important to radiologists who interpret nonenhanced head CT images in the acute setting. The imaging characteristics of important “do not miss” lesions are emphasized and categorized by their cause and location within the skull base, and the potential differential diagnoses are discussed. An interpretation checklist to improve diagnostic accuracy is provided.
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