CLINICAL-CAUSES OF TRIGEMINAL PALSY

SUMMARY

1. Involvement of all 3 divisions:
- Ganglionic lesion (temporal bone fracture, acoustic neuroma, meningioma, meningitis).
- Pre-ganglionic/central lesion (syringobulbia, stroke, tumor, vascular lesion).

2. Involvement of 1-2 divisions - post-ganglionic lesion (shingles, cavernous sinus thrombosis).

3. Dissociated loss of pain/temperature alone - involvement of medulla by syringobulbia, foramen magnum tumor, PICA territory infarct (lateral medullary syndrome).

4. Dissociated loss of touch alone - involvement of the pons by tumor, infarct.

Reference(s)

Wilkinson, I., Furmedge, D. and Sinharay, R. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press. Get it on Amazon.
Feather, A., Randall, D. and Waterhouse, M. (2020). Kumar And Clark’s Clinical Medicine. 10th ed. S.L.: Elsevier Health Sciences. Get it on Amazon.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].