What are the types of precocious puberty and why is correct diagnosis important?

Updated: Nov 30, 2020
  • Author: Paul B Kaplowitz, MD, PhD; Chief Editor: Robert P Hoffman, MD  more...
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Answer

If the history, physical examination, and laboratory data suggest that a child exhibits early and sustained evidence of pubertal maturation, the clinician must differentiate CPP from precocious pseudopuberty. In CPP, which is gonadotropin-dependent, early maturation of the entire hypothalamic-pituitary-gonadal (HPG) axis occurs, with the full spectrum of physical and hormonal changes of puberty. Precocious pseudopuberty is much less common and refers to conditions in which increased production of sex steroids is gonadotropin-independent (see Precocious Pseudopuberty). Correct diagnosis of the etiology of sexual precocity is critical because the evaluation and treatment of patients with precocious pseudopuberty are quite different from those of patients with CPP.


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