It is certainly true, as Dr Bovenmyer states, that "the majority of patients with AA have one patch or a few small patches on their scalp where the hair has been lost; the hair will almost unvariably regrow in these areas." However, it is also true that recurrences are common.In the study by Muller and Winkelmann,1 80% of the children and 65% of the adults who were followed for five years or longer had recurrences. In the very next sentence after the one WinkelmannDr Bovenmyer, Muller and Winkelmann state that "After regrowth, subsequent episodes of alopecia were frequent in most cases, though occasionally 20 years separated mild occurrences." Our follow-up evaluation2 revealed that only five of eighteen patients (28%) who were treated with alternate-day prednisone therapy had lasting regrowth of hair, and the evaluation is thus consistent with the previously cited data. However, both
Winter RJ, Kern F, Blizzard RM. Alopecia Areata and Regrowth of Hair-Reply. Arch Dermatol. 1977;113(12):1732–1733. doi:10.1001/archderm.1977.01640120100037
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