16 year-old male with non-Hodgkin's lymphoma and metastatic disease presents with headache. There is no evidence of intracranial hemorrhage or edema. The ventricles and basal cisterns are normal in size and configuration. The visualized paranasal sinuses and mastoid air cells are normally pneumatized.Reidentified is a large frontal abnormality with mixed soft tissue and calcific attenuation with spiculation and intra-cranial soft tissue component. This finding is unchanged when compared to the previous MRI examination of 2/29/08. Similar imaging findings have been seen with PNET tumors such as neuroblastoma, clinical correlation is advised. This appearance can also be seen in atypical aggressive type meningiomas.
No acute abnormalities. Cranial/intracranial lesion, stable as described above. The differential again includes an atypical type of meningioma however similar findings have been seen with metastatic PNET. Correlate clinically.