Answers are grounded in this paper and cite their sources.
Facial-onset sensory-motor neuronopathy (FOSMN) first manifests with trigeminal sensory loss and pain, then spreads to bulbopontine and spinal motoneurons, sometimes with a fatal outcome.(1,2)
No takes yet. Share an insight, caveat, or question.
Truini et al. (2015) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: