Audio
Clinical Professionals
Trigeminal Neuralgia Differential Diagnosis and Clinical Criteria
Defines the clinical differential and core diagnostic framework for trigeminal neuralgia, including features that suggest secondary causes.
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Duration
00:02:50
File size
1.53 MB
Practitioner-Guided Note
Do not label facial pain as classical trigeminal neuralgia until distribution, triggers, and neurologic examination fit; atypical territory or sensory loss should immediately widen the workup.
Key Takeaways
Classical trigeminal neuralgia usually involves V2 or V3 rather than isolated V1; V1 territory pain should raise suspicion for secondary causes or TAC disorders; Sudden brief pain in trigeminal distribution is the minimum diagnostic starting point; Stimulus-evoked attacks strongly support probable trigeminal neuralgia; A sensory deficit makes secondary trigeminal neuralgia more likely