Table 4.

Dermoscopic Findings.

Dermoscopic Findings in Alopecia Areata
Exclamation mark	31	36.9%
Tapered hair	12	14.28%
Pigtail hair	12	14.28%
Regrowing hair	21	25%
Vellus hair	33	39.28%
Pohl-Pinkus constriction	3	3.57%
Broken hair	14	16.66%
Black dots	25	29.76%
Yellow dots	2	2.38%
Empty hair follicle	23	27.38%
Erythema	13	15.5%
Dermoscopic Findings in Tinea Capitis
Broken hair	81	100%
Comma-shaped	38	46.91%
Corkscrew hair	21	25.9%
Bent hair	47	58%
Zigzag hair	28	34.5%
Morse code hair	22	27.16%
I hair	4	4.93%
Black dots	16	19.70%
Empty hair follicle	1	1.23%
Hair cast	2	2.46%
Diffuse scaling	61	75.30%
Perifollicular scaling	59	72.8%
Perifollicular erythema	44	54.32%
Perifollicular pustules	28	34.56%
Dermoscopic Findings in Trichotillomania
Exclamation mark	3	18.75%
Broken hair at different level	15	93.75%
V-shaped hair	8	50%
Tulip hair	4	25%
Trichoptilosis	7	43.75%
Flame hair	7	43.75%
Hair powder	8	50%
Mace sign	3	18.75%
Burnt matchstick sign	7	43.75%
I hair	5	31.25%
Coiled hair	1	6.25%
Hook hair	3	18.75%
Black dots	12	75%
Empty hair follicle	1	6.25%
Dermoscopic Findings in Tractional Alopecia
Coiled hair	2	14.2%
Hair diameter diversity	8	57.14%
Vellus hair	14	100%
Black dots	1	7.14%
Empty hair follicle	3	21.4%
Hair cast	4	28.57%
Diffuse scaling	1	7.14%
Perifollicular pustules	2	14.2%
Perifollicular erythema	14	100%
Coiled hair	2	14.2%
Dermoscopic Findings in Congenital Triangular Alopecia
Vellus hair	3	100%
White hair	1	33.3%
Dermoscopic Findings in Patchy Androgenetic Alopecia
Peripheral terminal hair	3	100%
Hair diameter diversity	2	100%
Vellus hair >20%	2	100%
Single hair pilosebaceous unit	2	100%