Follicular Adenoma (Medium Power)
Follicular Adenoma (Medium Power)

This is the center of a follicular adenoma.
The yellow arrows point to two small follicular centers containing colloid.
Overall there is little acellular pink colloid.
This is a macrofollicular pattern.
(Description By:Melinda Sanders, M.D. )
(Image Contrib. by:Melinda Sanders, M.D. UCHC )