Dermal cystic lesion with fibrotic wall and lining by hyperkeratotic stratified squamous epithelium. Lumen of cyst is full of thick amorphous fused compact keratin flakes with focal dystrophic calcification. No evidence of malignancy.
Scalp cystic lesion.
Partially skin covered soft tissue fragment measured 4.5x3.5x3 cm. Cut section revealed almost replacement by cyst filled with greyish material.
Scalp cyst, excision: