41355fb4_Alopecia___Derm101__Diagnosis
[Key clinical features] Presents in childhood with inability to grow hair of significant length or at all; glistening or speckled hair shafts may be noted [Pathophysiology] Due to hair shaft abnormality [Diagnostic findings] Hair mount is usually diagnostic, revealing abnormal hair shaft anatomy [Treatment] None [Diagnosis] 
Hair shaft abnormality
Alopecia - Derm101
Diagnosis