At least the most common causes should be mentioned in such differentials.
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.<ref group="notes">Without the rule of no lists of causes, such lists in similar wiki projects such as Radiopaedia tend to develop into excessively long lists, which are not useful at all.</ref>
Exemptions to the rule of no lists of causes:
*[[Radlines:About]]
*[[Radlines:Copyright]]
==References=={{reflistBottom}}