《Slide 171.》Cholesterolosis, Gallbladder
A. Brief Descriptions：
Mucosal surface is studded with yellow fleck.
Not directly related to gallstone formation.
B. Gross Findings：
C. Micro Findings：
Foamy cells aggregate in mucosa.
Robbins Pathologic Basis of Disease, 6th ed. P.895.
【 Fig. 171-1 (LP)】Randomly distributed pale areas between mucosa and muscle layer.
【 Fig. 171-2 (LP)】Accumulation of foamy histiocytes in lamina propria.
【 Fig. 171-3 (HP)】Uniform round to polyhedral foamy histiocytes with centrally located small round nuclei with very low N/C ratio aggregate in lamina propria just beneath surface epithelium.