Oncocyte

CytopathologyofWarthin's tumor,with typical cellular features (and a relatively uncommon binucleated cell).Pap stain.The relatively large size of the oncocytes is seen when comparing to thelymphocyte.

Micrographshowingapocrine-typemetaplasiaof the breast with typical oncocytes.H&E stain.

Oncocytes(left of image), as seen in arenal oncocytoma.H&E stain.

Anoncocyteis anepithelialcellcharacterized by an excessive number ofmitochondria,resulting in an abundantacidophilic,granularcytoplasm.Oncocytes can bebenignormalignant.

Other names

Also known as:

• Hürthle cell(thyroid glandonly)
• Oxyphilic cell
• Askanazy cell
• Apocrine-typemetaplasia(breast gland only).
• Oncocytic cell

Etymology

Derived from the Greek rootonco-,which meansmass, bulk.

See also

• Hurthle cell carcinoma,a variant offollicular thyroid carcinoma.
• Oncocytoma,a tumour composed of oncocytes, may be found as a less common salivary gland neoplasm also known as oxyphilic adenoma.
• Renal oncocytoma,a kidney tumour composed of oncocytes.

External links

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