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Ency. home > Disease > K > Klinefelter syndrome

Klinefelter syndrome   

Overview | Symptoms | Treatment

Alternative names:

47 X-X-Y syndrome

Symptoms

  • small penis
  • small firm testicles
  • diminished pubic, axillary, and facial hair
  • sexual dysfunction
  • enlarged breast tissue (called gynecomastia)
  • tall stature
  • abnormal body proportions (long legs, short trunk)
  • learning disabilities
  • personality impairment
  • simian crease (a single crease in the palm)
Note: the severity of symptoms may vary

Signs and Tests

Physical examination (rectal exam) may show an enlarged prostate. A single testicle may be present in the scrotum indicating a probable undescended testicle.

Tests may include:

Ency. home > Disease > K > Klinefelter syndrome

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