Trichotillomania
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Figure 3.51
A: Alopecia areata
B: Trichotillomania
(Courtesy of Dr. Paul Getz)
C: Telogen effluvium |
(Figure 3.51B)
- Non-scarring alopecia due to habitual hair pulling typically in young girls,
may be classified as obsessive-compulsive disorder
- Presents with alopecia of varying lengths of broken hair in localized area
over scalp, eyebrows, or eyelashes
- Histology: deformed hair shafts (trichomalacia), empty follicles, pigmented
hair casts in follicles, ± perifollicular infiltrate or fibrosis
- Treatment: behavior modification, SSRIs helpful
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