In the present case, some nuclei were large, hyperchromatic, pleomorphic, and, occasionally, multilobulated. These nuclear features are consistent with degenerative nuclear atypia and suggestive of ancient schwannoma. Mitoses, necrosis, and invasiveness were absent. Moreover, no transitional areas were observed between the areas typical for schwannoma and the foci of atypical cells. Although the duration of this patient's tumor is unknown, the histological constellation is diagnostic of ancient schwannoma.