Dermatology A pale pink, anuclear keratinocyte seen in skin adnexal tumours—e.g., pilomatricomas—cutaneous mixed tumours, proliferating trichilemmal tumourus, rare basal cell carcinomas, alopecia areata, onychomycosis, epidermoid cysts in Gardner syndrome, and dermoid cysts
Haematology See Ghost cell
Pathology A descriptive term that may be used for any cell that doesn’t stain—i.e., is negative by the immunoperoxidase stain—in tissues or in cytologic specimens, serving as vague tissue landmarks
one that appears in a section only as an outline. Called also ghost cell.