Blood vessels (scalp)
From dermoscopedia
Editor: Anna Waskiel Burnat
Comma vessels | Dotted vessels | Hairpin vessels | Elongated hairpin vessels | Straight linear vessels | Thin arborizing vessels | Thick arborizing vessels | Capillary blood extravasations | Concentric perifollicular vessels | Milky red globules | Linear helical vessels | Lace-like vessels | Glomerular vessels | Serpentine vessels | Thick root-like vessels | Vessel nets |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
C-shaped or slightly curved vessels | Tiny, red dots densely aligned next to each other | Small, linear looped vessels | Elongated, linear looped vessels | Straight linear vessels | Thinner than the average terminal hair arborizing vessels | Thicker than the average terminal hair arborizing vessels | Round or oval, sharply demarcated, intensely red areas | Vessels (loops or linear) arranged concentrically around a follicular unit | Globules or larger areas of a fuzzy or unfocused milky red color | Linear vessels twisted along a central axis | Combination of serpentine and looped vessels | Coiled or twisted vessels | Bending, scarcely branching vessels | Thick, irregularly banded, linear vessels | Interfollicular network of blood vessels |
Inflammatory scalp diseases (seborrheic dermatitis, psoriasis), healthy persons | Healthy persons in the frontal area, eczema | Healthy persons in the frontal area | Cicatricial alopecia (lichen planopilaris, folliculitis decalvans), T-cell lymphoma | Pemphigus vulgaris | Healthy persons (the occipital and temporal area), seborrheic dermatitis | Discoid lupus erythematosus, basal cell carcinoma | Active psoriasis | Cicatricial alopecia (lichen planopilaris, folliculitis decalvans) | T-cell lymphoma, psoriasis | Psoriasis, pemphigus, T-cell lymphoma | Psoriasis | Psoriasis | Discoid lupus erythematosus | Discoid lupus erythematosus, congenital capillary malformations | Healthy persons, after topical corticosteroids |
1. Rudnicka, L., et al., Trichoscopy update 2011. J Dermatol Case Rep, 2011. 5(4): p. 82-8.
2. Rudnicka, L., et al., Hair shafts in trichoscopy: clues for diagnosis of hair and scalp diseases. Dermatol Clin, 2013. 31(4): p. 695-708, x.
3. Inui, S., et al., Clinical significance of dermoscopy in alopecia areata: analysis of 300 cases. Int J Dermatol, 2008. 47(7): p. 688-93.
4. Kowalska-Oledzka, E., et al., 'Black dots' seen under trichoscopy are not specific for alopecia areata. Clin Exp Dermatol, 2012. 37(6): p. 615-9.
5. Rakowska, A., et al., Trichoscopy of cicatricial alopecia. J Drugs Dermatol, 2012. 11(6): p. 753-8.
6. Rakowska, A., et al., New trichoscopy findings in trichotillomania: flame hairs, V-sign, hook hairs, hair powder, tulip hairs. Acta Derm Venereol, 2014. 94(3): p. 303-6.
7. Shim, W.H., et al., Dermoscopic approach to a small round to oval hairless patch on the scalp. Ann Dermatol, 2014. 26(2): p. 214-20.
8. Park, J., et al., Trichoscopic Findings of Hair Loss in Koreans. Ann Dermatol, 2015. 27(5): p. 539-50.
9. Karadag Kose, O. and A.T. Gulec, Clinical evaluation of alopecias using a handheld dermatoscope. J Am Acad Dermatol, 2012. 67(2): p. 206-14.
10. Ross, E.K., C. Vincenzi, and A. Tosti, Videodermoscopy in the evaluation of hair and scalp disorders. J Am Acad Dermatol, 2006. 55(5): p. 799-806.
11. Chiramel, M.J., et al., Relevance of trichoscopy in the differential diagnosis of alopecia: A cross-sectional study from North India. Indian J Dermatol Venereol Leprol, 2016. 82(6): p. 651-658.
12. Kibar, M., et al., Trichoscopic findings in alopecia areata and their relation to disease activity, severity and clinical subtype in Turkish patients. Australas J Dermatol, 2015. 56(1): p. e1-6.
13. Rudnicka, L., M. Olszewska, and A. Rakowska, Atlas of trichoscopy: dermoscopy in hair and scalp disease. 2012, London: Springer.
14. Rakowska, A., et al., Dermoscopy in female androgenic alopecia: method standardization and diagnostic criteria. Int J Trichology, 2009. 1(2): p. 123-30.
15. Inui, S., Trichoscopy for common hair loss diseases: algorithmic method for diagnosis. J Dermatol, 2011. 38(1): p. 71-5.
16. Tosti, A., et al., Follicular red dots: a novel dermoscopic pattern observed in scalp discoid lupus erythematosus. Arch Dermatol, 2009. 145(12): p. 1406-9.
17. Waskiel, A., et al., Trichoscopy of alopecia areata: An update. J Dermatol, 2018.
18. Rakowska, A., Trichoscopy (hair and scalp videodermoscopy) in the healthy female. Method standardization and norms for measurable parameters. J Dermatol Case Rep, 2009. 3(1): p. 14-9.