When persistent idiopathic facial pain is not idiopathic: Facial pain attributed to lung cancer and comparative review of classification systems.

Key Points

• The research aims to differentiate facial pain caused by lung cancer from idiopathic pain by utilizing distinct diagnostic criteria.
• Reviewed existing classification systems for facial pain
• Analyzed clinical profiles associated with lung cancer
• Evaluated the exclusion of systemic causes for improved diagnostics
• Facial pain related to lung cancer exhibits a consistent clinical profile
• Defined diagnostic criteria enhance the validity of facial pain classifications
• Exclusion of systemic causes aids in more accurate diagnosis