A multinodular parotid tumor in a 63-year-old man occupied almost the entire gland and was found to represent diffuse oncocytic growth. The literature on salivary gland oncocytoma is reviewed. This case appears to be a unique example of diffuse proliferation of oxyphilic granular cells (oncocytes) virtually replacing the normal parotid acinar structure. There was no evidence of local or distant spread.
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Schwartz et al. (1969) studied this question.