View source for Ring-enhancing lesion

==Background==
*[[head CT|CT]] or [[brain MRI|MRI]] with lesions having an enhancing ring of contrast around a less dense center can indicate certain neurological infections, injuries, and indolent disorders
*Immune status of patients is key in helping to narrow potential causative agents

[[File:Ring enhancing lesion on CT.png|thumb]]
[[File:Ring enhancing lesion on MRI.png|thumb]]

==Clinical Features==
*Clinical presentation can vary from asymptomatic to focal neurodeficits to coma

==Differential Diagnosis==
{{Ring-enhancing lesion DDX}}

==Evaluation==
*Ring-enhancing lesion is a radiologic diagnosis
*Workup must be directed towards presentation, comorbidities, and risk factors

==Management==
*Focused treatment plan based on etiology

==Disposition==
*Typically require admission for further work up

==See Also==
*[[Toxoplasmosis]]
*[[Multiple sclerosis]]

==External Links==
*[http://radiopaedia.org/articles/toxoplasmosis-vs-lymphoma Radiopaedia.org - Toxoplasmosis versus Lymphoma]

==References==
<references/>

[[Category:Radiology]]
[[Category:Neurology]]