17 May 2026
: Case report 
A Young Woman With Ulcerative Colitis Presenting With Facial Diplegia, a Variant of Guillain-Barré Syndrome
Challenging differential diagnosis, Unusual or unexpected effect of treatment, Educational Purpose (only if useful for a systematic review or synthesis), Rare coexistence of disease or pathology
Rong Wei
ADEF 1, Zhiyan Zhang BCE 2, Xiaohua Mu DE 1, Li Zhou ADEF 1*
DOI: 10.12659/AJCR.950263
Am J Case Rep 2026; 27:e950263
Table 1 Facial nerve conduction studies. Facial nerve conduction studies showed notably decreased amplitude of facial nerve compound muscle action potential bilaterally and prolonged latency of the right side.
| Nerve and site | Latency (ms) | Amplitude (mV) |
|---|---|---|
| Orbicularis oculi | 4.5 | 0.3 |
| Orbicularis oris | 5.1 | 0.1 |
| Frontalis muscle | 3.2 | 0.2 |
| Orbicularis oculi | 3.7 | 0.4 |
| Orbicularis oris | 3.6 | 0.1 |
| Frontalis muscle | 2.8 | 0.3 |