Alopecia Areata Black Dots. The hallmark trichoscopic features of alopecia areata are regularly distributed yellow dots micro–exclamation mark hairs tapered hairs black dots broken hairs and upright and regularly coiled (circle pigtail) regrowing hairs Trichorrhexis nodosa may be observed especially in active early alopecia areata.
‘Black dots’ are macrocomedolike round structures localized to the follicular ostium and are considered a specific trichoscopic feature of alopecia areata (AA) Aim To characterize specific features of ‘black dots’ and assess their possible presence in common hair and scalp disorders.
Alopecia Areata Springer
Black dots in alopecia areata “Black dots” represent hair follicles broken off at the level of the skin surface Black dots are also referred to as cadaverized hairs Black dots correlate with disease activity in alopecia areata and are a negative prognostic factor Black dots are seen in other conditions besides alopecia areata including dissecting cellulitis trichotillomania.
Two New Signs ‘Halo Sign’ and ‘Wipeout Sign’ to
Alopecia areata Black dots are observed inside the yellow dots and represent cadaverized hairs that are broken before emergence from scalp.
Alopecia areata. Black dots are observed inside the yellow
We believe that a number of factors may induce formation of black dots including perifollicular lymphocyte infiltration in the course of an autoimmunologically mediated inflammatory process in AA a mixed neutrophillymphocyte inflammatory infiltration in DCS cytotoxic and antiproliferating effects of chemotherapeutic agents and nonspecific factors.
Figure 1 From Different Trichoscopic Features Of Tinea Capitis And Alopecia Areata In Pediatric Patients Semantic Scholar
Alopecia areata in children DermNet NZ
Black Dots: Hair dye as an example — Donovan Hair Clinic
Trichostasis spinulosa of the scalp mimicking Alopecia
Utility of dermoscopy PubMed in alopecia areata
Your Health Remedy Alopecia Areata vs Tinea Capitis
Alopecia areata Wikipedia
“Black dot” alopecia areata American Academy of
Alopecia Areata Incognita and Diffuse Alopecia Areata
Trichostasis spinulosa of the scalp mimicking Alopecia
Black dots in alopecia areata — Donovan Hair Clinic
Utility of dermoscopy in alopecia areata Mane M, Nath AK
Alopecia areata is considered to be an organspecific autoimmune condition of the hair follicle on a genetic background Alopecia areata often runs in families and has been reported in monozygotic twins Up to 25% of children will have at least one affected family member and many have multiple relations with alopecia areata.