If there is no radiologic appearance that distinguishes the condition from one or more other conditions, then another type of distinctive feature needs to be mentioned, such as a specific clinical symptom, or epidemiology including incidence or prevalence. Images of the conditions are sufficient when the difference is visually obvious.
The exemption Exemptions to this the rule of no lists of causes is if :*If the article as a whole clearly conveys unique characteristics for each listed condition.*Lists titled as rare conditions that radiologists generally do not need to screen for unless specifically asked by the referring clinician.
==Radlines is made by humans==