Low power: Pap stain
Degenerated adipose tissue (lipocytes without nuclei), macrophages and giant cells.
Low power: Pap stain
Multinucleated giant cells and macrophages
High power: Pap stain
Multinucleated giant cell
High power: Pap stain
Myospherulosis (degenerated red blood cells that form a ball in the presence of lipid)
High power: Pap stain
Myospherulosis (degenerated red blood cells that form a ball in the presence of lipid)
Features
Architecture
• Scantly cellular
Cellular features
• Foamy macrophages
• Multinucleated giant cells
• Inflammatory cells
• Rare epithelial cells
• Myospherulosis
Nuclear features
• Bland nuclear features
Background
• Degenerated adipose tissue
• Lipid, proteinaceous amorphous material
Reference
Aqel NM et al. Breast. 2001 Aug;10(4):342-5.
Shabb N et al. Acta Cytol. 1991 Mar-Apr;35(2):225-8.