Sweet syndrome with perifollicular involvement because of koebnerization from facial hair plucking

Flanagan, Kelly; Krueger, Steven K.; Amano, Sadao; Auerbach, A.H.; John, Jessica St.; Deng, April

doi:10.1111/cup.14061

Cited by 3 publications

(1 citation statement)

References 14 publications

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“…Physical trauma Trauma [109] Concis [113] Burns [114,115] Freezing [165] Tattoo [116][117][118] UV radiation [102] Facial hair plucking [119] Mechanical stress [57,120] Stretch [15,80,81] Repeated friction or pressure [22] Surgical mask [121,122] Hearing aid [123] Use of computer mouses [124] Keloid/ Hypertrophic scar [3,125,126] Striae distensae [127] Chemical stimulation…”

Section: Triggering Factors Refsmentioning

confidence: 99%

Characteristics and pathogenesis of Koebner phenomenon

Zhang

Jiang

et al. 2022

Experimental Dermatology

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The Koebner phenomenon, also known as isomorphic reaction, refers to the development of secondary lesions with the same clinical manifestations and histopathological characteristics as the primary lesions in normal skin after trauma or other stimuli. The triggering factors of Koebner phenomenon include physical trauma, chemical stimulation, mechanical stress, iatrogenic stimulation and pathogenic infection. Vitiligo, psoriasis and lichen planus are considered true Koebner phenomenon. Recent studies have shown that immunological disorders, oxidative stress, defective melanocyte adhesion and growth factor deficiency are the main pathological mechanisms of vitiligo Koebner phenomenon. In psoriasis, triggers may drive skin inflammation to induce a psoriatic phenotype through multiple signalling pathways and thereby cause Koebner phenomenon in susceptible individuals. Significantly, keratinocytes mediate the occurrence of Koebner phenomenon in psoriasis through mechano‐induced signalling pathways after sensing mechanical signals and explains the high frequency of psoriasis lesions on the extensor side of the elbow and knee joints. On the contrary, TRPA1‐driven mechano‐transduction, autoimmunity and actinic damage are the underlying mechanisms of Koebner phenomenon in lichen planus. In this review, we have summarized the current understanding of the characteristics and pathogenesis of Koebner phenomenon.

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Section: Triggering Factors Refsmentioning

confidence: 99%

Characteristics and pathogenesis of Koebner phenomenon

Zhang

Jiang

et al. 2022

Experimental Dermatology

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New Practical Aspects of Sweet Syndrome

et al. 2022

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Sweet syndrome (SS), or acute febrile neutrophilic dermatosis, is an inflammatory, non-infectious skin reaction characterized clinically by tender, erythematous papules/plaques/pustules/nodules commonly appearing on the upper limbs, trunk, and head and neck; histologically, SS is characterized by dense neutrophilic infiltrate in the dermis. SS is accompanied by fever; an elevation of inflammatory markers (e.g., erythrocyte sedimentation rate, C reactive protein) in serum may also be observed. Although most cases of SS are idiopathic, SS also occurs in the setting of malignancy or following administration of an associated drug. SS has also been reported in association with pregnancy and a burgeoning list of infectious (most commonly upper respiratory tract infections) and inflammatory diseases; likewise, the litany of possible iatrogenic triggers has also grown. Over the past several years, a wider spectrum of SS presentation has been realized, with several reports highlighting novel clinical and histological variants. Corticosteroids continue to be efficacious first-line therapy for the majority of patients with SS, although novel steroid-sparing agents have been recently added to the therapeutic armamentarium against refractory SS. New mechanisms of SS induction have also been recognized, although the precise etiology of SS still remains elusive. Here, we catalogue the various clinical and histological presentations of SS, summarize recently reported disease associations and iatrogenic triggers, and review treatment options. We also attempt to frame the findings of this review in the context of established and emerging paradigms of SS pathogenesis.

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Sweet Syndrome and Neutrophilic Dermatosis of the Dorsal Hands

Hrin,

Huang

2024

Dermatologic Clinics

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Sweet syndrome with perifollicular involvement because of koebnerization from facial hair plucking

Cited by 3 publications

References 14 publications

Characteristics and pathogenesis of Koebner phenomenon

Characteristics and pathogenesis of Koebner phenomenon

New Practical Aspects of Sweet Syndrome

Sweet Syndrome and Neutrophilic Dermatosis of the Dorsal Hands

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