What is it about?
A cerebral computed tomography (CT) in a 74-year-old woman with focal neurologic deficits and acute confusional state revealed a subcortical hypodense area in the temporal lobe (Fig. 1A), which was interpreted as a subacute phase of ischemia. A bone window view showed, on the right parietal diploic space, a focal area of sclerosis and a mild bulging scalp, which were deemed less relevant. MRI examination was requested because the patient confusional state continued to worsen.
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Why is it important?
The MRI examination found-out the involvement of all cranial vault compartments.The morphologic sequences highlighted in the right parietal-temporal diploe a more extensively altered signal, which resulted hypointense on both T2 and T1 sequences (Fig. 2A and B). A correlated dural-based hysointense mass on T1 and T2 (Fig. 2A) was also observed, with restricted diffusion and was surrounded by a hyperintense edema. The same areas were enhanced homogeneously
Perspectives
Sclerotic bone appearance is a rare presentation of cranial vault lymphoma. MRI provided a higher diagnostic yield, revealing more extensive diploic alterations and indicating the involvement of all of the cranial vault compartments.
barbara brogna
Istitution of Radiology at Second University of Naples
Read the Original
This page is a summary of: Diffuse-primary-B-cell lymphoma of the cranial vault presenting as stroke, Radiology Case Reports, June 2018, Elsevier,
DOI: 10.1016/j.radcr.2018.03.010.
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