title: Sebaceous cysts of the scalp presenting ad doughnut lesions on radionuclide brain imaging.
mesh_terms: D004814:Epidermal Cyst / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008875:Middle Aged; D011859:Radiography; D011877:Radionuclide Imaging; D012535:Scalp; D012886:Skull / Q000000981:diagnostic imaging; D013667:Technetium
chemical_list: D013667:Technetium