Topical Tacalcitol for Family Occurrence of Follicular Keratosis of the Chin

Buechner, Aline Aniela; Theiler, Martin; Krayenbuehl, Barbara; Weibel, Lisa

doi:10.1001/jamadermatol.2017.4418

JAMA Dermatol

2018

DOI: 10.1001/jamadermatol.2017.4418

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Topical Tacalcitol for Family Occurrence of Follicular Keratosis of the Chin

Aline Aniela Buechner

Martin Theiler

Barbara Krayenbuehl

et al.

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Cited by 5 publications

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“…Topical vitamin D analogues have also been used successfully. 4,7 In conclusion, TAF can have variable causes. Dermatologists should consider the posture assumed during smartphone use for extended screentime durations, the sleeping posture and any repetitive behaviour among the possible causes of TAF.…”

mentioning

confidence: 95%

“…The majority of patients have an associated monoclonal gammopathy and the success of IVIG treatment has been reported. 4 Scleromyxoedema is another overload dermatosis associated with monoclonal gammopathy in which the efficacy of IVIG has been reported. 5 Interestingly, one of the suggested mechanisms of action of IVIG in this disease is the neutralization of circulating autoantibodies by anti-idiotype antibodies.…”

mentioning

confidence: 99%

“…Some reported cases had an atopic background, and some presentations were described in siblings. 3,4 TAF presents as grouped, skin-coloured, follicular papules against a background of normal, hyperpigmented or erythematous skin. The lesions have the appearance of goose skin (anserine) with a sandpaper-like texture, and are typically found on the chin or jaws.…”

mentioning

confidence: 99%

“…1 TAF has been reported in various contexts: resting the chin on the palms while watching television or reading; playing button football (a popular tabletop game in Brazil); massaging the neck; and rubbing the cheek in association with dermatotillomania. [1][2][3][4][5][6][7] Lesion duration is variable. [1][2][3][4][5][6][7] The histopathology findings consist of hyperkeratosis, hypergranulosis, rudimentary follicles and dilated follicular openings with retained keratotic material.…”

mentioning

confidence: 99%

“…[1][2][3][4][5][6][7] Lesion duration is variable. [1][2][3][4][5][6][7] The histopathology findings consist of hyperkeratosis, hypergranulosis, rudimentary follicles and dilated follicular openings with retained keratotic material. 5 The diagnosis is primarily clinical, and considering the facial location, we did not take biopsies from our patients.…”

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confidence: 99%

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Lichenified plaque in chin after chronic irritation

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Familial occurrence of follicular keratosis of the chin

Egawa

2021

The Journal of Dermatology

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A peculiar cutaneous disorder in children characterized with a presentation of multiple, closely set, hyperkeratotic follicular papules on the chin was first reported in 1972 by Arai 1 as 'a kind of follicular nevus', while, in 1979, Padilha-Goncalves 2 reported a similar condition and proposed the term 'traumatic anserine folliculosis (TAF)'. They described the stressing etiologic factors such as prolonged friction or pressure, the goose skin appearance, and follicular location of the lesions. Since then, this skin disorder has been called keratotic papular lesions on the chin 3 or follicular keratosis of the chin (FKC). [4][5][6][7] The lesions occurred mostly in children and teenagers. Usually, boys are affected, but girls are also affected by FKC.According to a paper 8 on the clinico-epidemiological profile of 26 patients with FKC, 19 were male and 7 were female (the male to female ratio, 2.7:1); the most commonly affected age group was 8-14 years in 22 (84.6%) children; and, history of friction or pressure was recalled by 16 patients while 10 patients did not remember.The most probable etiology of FKC currently accepted is that the patients have a habit to rest their chin on their palms while reading or watching television. Indeed, Kanzaki et al. 5 reported two cases whose FKC were induced by such a habit and slowly resolved after they avoided it. However, FKC was also reported in patients, including siblings, 7 without any evidence of the mechanical trauma over the chin, 7,9 suggesting the etiologies other than the physical trauma for the development of FKC.In the present study, we report two brothers with FKC who did not have any evidence of physical trauma over the chin. | C A S E REP ORTSA 7-year-old Japanese boy and his 9-year-old brother presented with papular lesions on the chin that had appeared 6 months and 3 months previously in the younger and older brother, respectively. Whitish-yellow creamy contents were often squeezed out from the top of papules in the younger brother. The children and their mother denied any habitual physical trauma over the chin. Their medical histories were unremarkable.

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Topical Tacalcitol for Family Occurrence of Follicular Keratosis of the Chin

Cited by 5 publications

References 6 publications

Traumatic anserine folliculosis. Think smartphones, curious habits and postures!

Traumatic anserine folliculosis. Think smartphones, curious habits and postures!

Lichenified plaque in chin after chronic irritation

Familial occurrence of follicular keratosis of the chin

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