There is no established clinical diagnostic criteria for<unk> . A healthcare professional might consider the following clinical features in an individual as indicative for further evaluation: * Neurodevelopmental delays * A family history consistent with X-linked inheritance * Characteristic facial features * Absolute or relative macrocephaly * Dolichocephaly * Frontal hair downsweep * Very small forehead * Downslanted palpebral fissures * Very close eyes * Missing part of the upper eyelids * Small, simple ears (≤10th percentile) * Open mouth * Long wide face * Broad thumbs and halluces * Congenital anomaly (corpus callosum, anal, cardiac, skeletal) * Hypotonia, constipation, or feeding problems * Characteristic behavior (affable and eager to please)
FG syndrome
Gitelman syndrome
Mungan syndrome
Muir–Torre syndrome
Sly syndrome
Perlman syndrome
MORM syndrome
Angelman syndrome