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Delayed radiation-induced stroke mimics recurrent tumor in and adolescent with remote history of low-grade brainstem glioma
A 13-year-old female was diagnosed with a ponto- medullary brainstem glioma and following unsuccessful treatment with chemotherapy, underwent focal photon intensity modulated radiation therapy that resulted in a favorable response. Ten years later, the patient presented with acute onset left-sided hemiplegia and headaches. Magnetic resonance imaging (MRI) at presentation showed a large contrast- enhancing lesion with surrounding vasogenic edema and reduced diffusivity on diffusion- weighted imaging most concerning for a high grade secondary malignancy (Figure 1).
Source: Pediatric Neurology - June 4, 2019 Category: Neurology Authors: Lianne Q. Chau, Michael L. Levy, John Ross Crawford Tags: Short Communication Source Type: research

Delayed Radiation-Induced Stroke Mimics Recurrent Tumor in an Adolescent With Remote History of Low-Grade Brainstem Glioma
This 13-year-old girl was diagnosed with a ponto-medullary brainstem glioma, and following unsuccessful treatment with chemotherapy, she underwent focal photon intensity-modulated radiation therapy that resulted in a favorable response. Ten years later, she presented with acute left hemiplegia and headaches. Magnetic resonance imaging (MRI) at presentation showed a large contrast-enhancing lesion with surrounding vasogenic edema and reduced diffusivity on diffusion-weighted imaging, most concerning for a high-grade secondary malignancy (Fig 1).
Source: Pediatric Neurology - June 4, 2019 Category: Neurology Authors: Lianne Q. Chau, Michael L. Levy, John R. Crawford Tags: Clinical Letter Source Type: research