Coffee bean nucleus

Coffee bean nucleus is a cell nucleus that looks like a coffee bean. It is ellipsoid with a central groove. Coffee bean nuclei have a limited differential diagnosis.

Differential diagnosis

• Granulosa cell tumour.
• Brenner tumour.

Others:

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

See also

• Basics.
• Long power list.