49, XXXXY syndrome in a 1 year-old infant.
Clinical signs of developmental anomalies found in the 49, XXXXY patients have been reported based on the author's case.
D000015:Abnormalities, Multiple; D001848:Bone Diseases, Developmental / Q000150:complications; D005260:Female; D006801:Humans; D007006:Hypogonadism / Q000150:complications; D007223:Infant; D008607:Intellectual Disability / Q000150:complications; D007621:Karyotyping; D008297:Male; D012729:Sex Chromosome Aberrations / Q000175:diagnosis*; D014960:X Chromosome