Serum androgens and prostate-specific antigen levels in androgenetic alopecia: is there a difference between frontal and vertex baldness?

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Abstract

BACKGROUND

Androgenetic alopecia (AGA) seems to be a marker of increased risk of prostate cancer (PCa).

OBJECTIVE

We sought to investigate potential pathophysiological differences between frontal and vertex balding that might have the impact on the incidence of PCa.

METHODS

Serum concentrations of testosterone (T), dihydrotestosterone (DHT) and prostate-specific antigen (PSA) were measured in 88 subjects with AGA.

RESULTS

We have examined sixty patients with frontal baldness and 28 patients with vertex baldness. The subgroups did not differ significantly in age, BMI and as regards age of AGA onset, duration of AGA and comorbidities. The mean value of DHT in serum of the men with vertex baldness was higher than those in the men with frontal baldness with statistical significance (P < 0.05). The groups did not show significant differences in mean value of serum T and PSA levels, and DHT/T ratio. No correlation was found between the serum PSA level and serum androgen levels as well as DHT/T ratio.

CONCLUSIONS

Vertex baldness may signal higher exposures to circulating DHT. Serum PSA level cannot serve as surrogate diagnostic marker of increased androgenic activity in men with AGA.

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