Primary Pleomorphic Adenoma of the External Auditory Canal: A Case Report and Review of the Literature

Figure 3

Histopathological section of the tumour. Histopathological examination of haematoxylin and eosin (HE) stained sections revealed a partly encapsulated tumour exhibiting proliferation of myoepithelial cells with foci of ductal differentiation associated with myxoid and hyalinized matrix material (×40).