Multinodular and vacuolating neuronal tumor,WHO grade I

The patient is a middle-aged male with a temporal lobe mass. Histopathology shows a low-grade ganglion cell tumor with clustered ganglion cells with a vacuolated neuropil background. The fragmented nature of the specimen precludes identification of a nodular architecture. The diagnosis is multinodular and vacuolating neuronal tumor, WHO grade I. This entity is a cousin of gangliocytoma.