'''Diptheroid plaques''' commonly form on the '''eyelids''' and also internally on the mucosae of the [[Respiratory System|respiratory system]] and [[Alimentary System|gastrointestinal system]]. | '''Diptheroid plaques''' commonly form on the '''eyelids''' and also internally on the mucosae of the [[Respiratory System|respiratory system]] and [[Alimentary System|gastrointestinal system]]. |