Blood vessels (scalp)

From dermoscopedia

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Description This chapter describes the different types of blood vessels that can be found on the scalp using trichoscopy (dermoscopy of the scalp)
Author(s) Anna Waskiel Burnat · Lidia Rudnicka · Adriana Rakowska
Responsible author Anna Waskiel Burnat→ send e-mail
Status unknown
Status update March 29, 2019
Status by Ralph P. Braun

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.