Eruption delay in a 47 XXY male: a case report

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ABSTRACT

Aim

The 47,XXY syndrome, or Klinefelter syndrome, though it is a rare occurrence, it is the most common sex
choromosome disorder affecting male subjects. This syndrome is underdiagnosed and seldomly before puberty. In this case,
diagnosis was made before birth, through chorion villus sampling. CASE REPORT: A 16 month-old Italian male with 47 XXY
syndrome showed the absence of primary teeth, with a delay of about 8-10 months, whereas during the first 15 months of life
the auxological development has been normal both in weight and height (about 50th percentile). We assumed that this delay
may be linked with Klinefelter syndrome, as sexual chromosomes play an important role in the dental
development.

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