Endocrine basis for the clinical presentation of hidradenitis suppurativa

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Abstract
Clinical assessment of 134 patients with hidradenitis suppurativa revealed clinical evidence supporting an androgen-based endocrine disorder underlying the condition. Such features included postpubertal onset maximal during the third decade; female preponderance (13:5); premenstrual flare in 57 per cent of women; absence of this flare associated with irregular or anovulatory menstrual cycles; and an increased incidence of obesity and acne. Detailed hormone profiles in 36 female patients and 14 controls showed evidence of relative androgen excess and decreased progesterone levels in those patients without a premenstrual flare. Obesity and enhanced peripheral androgen conversion by apocrine tissue are possible explanations for normal serum androgen profiles in patients with a flare. Precise elucidation of the hormonal abnormality is a prerequisite for effective medical treatment of early disease.