Alopecia areata

Alopecia areata (active stage)

Dermoscopy shows:

1- Black dots (cadaverous hair) pigmented dark residues of hair shafts that fractured at scalp level..correlates with the disease activity.

2-Exclamation mark hairs. hairs with pointed thick distal end and thin proximal end due to perifollicular inflammation..correlates with activity.

3- Broken hairs. hair shafts that fractured at the thin weak parts of the shafts.

4- Normal terminal hair shafts.

the remaining photos show exclamation mark hairs, broken hairs, yellow dots.