An oncocyte is an epithelial cell characterized by an excessive amount of mitochondria, resulting in an abundant acidophilic, granular cytoplasm. Oncocytes can be benign or can undergo malignant transformation.

Other names

Also known as:

  • Hürthle cell (thyroid gland only)
  • Oxyphilic cell,
  • Askanazy cell,
  • Apocrine metaplasia (breast gland only).


Derived from the Greek root onco-, which means mass, bulk.

See also

External links

  • Wordinfo - words containing onco-, onocho-, -onchus