Acquired Progressive Kinking of the Hair

Increased Scalp Skin and Serum 5a-Reductase Reduced Androgens in a Man Relevant to the Acquired Progressive Kinky Hair Disorder and Developing Androgenetic Alopecia

“…1,4,7,9,10 In contrast, a reduction in the hair follicle diameter was noted in our pa¬ tient in the affected area compared with the normal area. Again, this finding was consistent with features of andro¬ genetic alopecia.…”

Acquired kinking of the hair associated with etretinate therapy

“…Etretinate induced kinking of the hair shows some similarity with acquired progressive kinky hair syndrome (APK) (Wise & Sulzberger, 1932;Coupe & Johnston, 1969). Both conditions show incomplete twists and variably pigmented hairs, but marked variations in hair diameter have not been reported in APK.…”

Acquired Progressive Kinking of the Hair in a Japanese Girl

“…To our knowledge, although 18 cases of (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11), the age at onset and the areas involved were not recorded in one case each. We, therefore, excluded these two cases and analyzed the clinical characteristics of the other 16.…”