case_images: PMC7184827_01
case_images: The patient has a tonic pupil on the right side, and pupillary examination showed anisocoria, with the right pupil being smaller than the left one.
case_images: crn-0012-0132-g01.jpg
case_images: PMC7184827_01_crn-0012-0132-g01.jpg
case_images: F1
case_images: Pupillary examination showed a tonic pupil on the right side and anisocoria with the right pupil smaller than the left (Fig. 1).
case_images: The starch-iodine combination turned into a dark color on the left side, predominantly involving the skin over the 6th-8th vertebral region, wherever there was hyperhidrosis.
case_images: crn-0012-0132-g02.jpg
case_images: PMC7184827_01_crn-0012-0132-g02.jpg
case_images: F2
case_images: A minor test (starch-iodine test) was performed to confirm hyperhidrosis (Fig. 2).