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Table 2 Investigations for complex ophthalmoplegia and fatigable ptosis

From: Uraemic brainstem encephalopathy mimicking ocular myasthenia: a case report

Investigation

Result

Comment

Repetitive nerve stimulation (right ulnar nerve, left facial nerve and left spinal accessory nerve)

No decremental pattern demonstrated

See Supplementary material 1 for the detailed report

MRI brain

T2W/FLAIR high signal intensities involving the internal capsule, midbrain, pons, upper medulla and middle cerebellar peduncles

No diffusion restriction.

Figure 2 – Panel A

Cerebrospinal fluid (CSF)

Protein – 85 mg/dl

Glucose – 52 mg/dl (plasma glucose – 94 mg/dl)

Cells – none

A non-reactive CSF