A 12 year old adolescent presented with refractory seizures and was found to have a mesial Tripod Floor Lamp temporal lobe lesion.The patient underwent biopsy and was diagnosed with an arteriorvenous malformation.Supratentorial lesions in the pediatric population can have a large pivot ramp variety of underlying etiologies and it can challenging to differentiate on neuroimaging.
In this report we discuss the key features on MRI of several neoplastic, vascular, and infectious processes that can aide in the diagnosis.