PMC7181787_01
(a) Results based on the Gesell Developmental Schedules. Chronological age is 29 months. Developmental quotient<75 indicates developmental delay. (b) Brain MRI. The red arrow indicates shadows in the temporal horn of the left lateral ventricle. (c) Petechiae on the skin caused by falling appeared on the patient.
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The assessment based on Gesell Developmental Schedules1 showed that the developmental age was approximately 18 months and indicated overall developmental delay, especially in adaptive skills, fine motor skills, and language (Figure 1a). Brain MRI (Figure 1b) showed abnormal signal shadows in the temporal horn of the left lateral ventricle, revealing demyelination in the brain. Petechiae on the skin caused by falling appeared on the patient (Figure 1c).