Coffee bean nucleus

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Coffee bean nuclei in a Brenner tumour. H&E stain.

File:Coffee Beans macro 1.jpg

Coffee beans.

Coffee bean nucleus is a cell nucleus that looks like a coffee bean. Coffee bean nuclei have a limited differential diagnosis.

Microscopic

• Coffee bean nuclei are ellipsoid and have a central groove.

Images

• Coffee bean nuclei in a Brenner tumour (WC)

Classic differential diagnosis

• Granulosa cell tumour.
• Brenner tumour.

Others considerations

• Invasive ductal carcinoma of the pancreas.
• Langerhans cell histiocytosis.
• Papillary thyroid carcinoma. (???)

See also

• Basics.
• Long power list.