Friday, April 2, 2021

Circles White

Circles White   White circles in each of these conditions correspond to keratin in the follicular opening or infundibulum. Apparent white circles are sometimes just follicular openings in a benign nevus.

Solar K Also look for 4 dots in the middle of a white circle in actinic keratoses. These are also known as rosettes. Dot vesels are also seen here.



SCC Note the glomerular or red clod vessels as well as the white circles




Discoid Lupus  White circles and white clods represent keratin thickening or plugs in the follicular infundibulum. 



Lichen sclerosus  Similar features to discoid lupus.


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