Figure 2: Photomicrograph showing (a) The cyst with an undulating wall which is lined by keratinizing squamous epithelium (arrow) and filled with lamellated keratinous debris (H and E stain ×400); (b) Inflammatory cell infiltrates (*), foamy histiocytes (F) and cholesterol clefts (arrow) are interspersed in fibrotic tissue (H and E stain ×100)