Cases
Woman in her 70s with colon polyp   

Additional questions

What is the most common differential diagnosis with colon xanthoma and how should it be differentiated on histopathology?
Muciphage; differentiate with mucin staining
Colonic carcinoma; differentiate with cytokeratin staining
Both of the above are correct and should be included in the differential

Colonic xanthomas are positive for which of the following stains?
CD1a
CD68
S100
Mucicarmine