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Year : 1990  |  Volume : 56  |  Issue : 5  |  Page : 391-392

Keratotic papules on chin

Correspondence Address:
Rajeev Sharma

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Three young females with keratotic papular lesions on the chin are reported. No definite aetiological factor was identifiable. The co-existence of naevi in two 'suggests that if may probably be a developmental defect.

Keywords: Keratotic papules, chin.

How to cite this article:
Sharma R, Kanwar A J, Abraham A, Kaur S, Radotra B D. Keratotic papules on chin. Indian J Dermatol Venereol Leprol 1990;56:391-2

How to cite this URL:
Sharma R, Kanwar A J, Abraham A, Kaur S, Radotra B D. Keratotic papules on chin. Indian J Dermatol Venereol Leprol [serial online] 1990 [cited 2020 Oct 21];56:391-2. Available from:

Localization of keratotic papules on the chin is an extremely rare condition first reported by Goncalves in 1977 in young atopics[1]. Since its initial description, less than 20 cases have been reported. In the present communication we report 3 young females with this disorder.

  Case reports Top

Case 1.: A 18 year old female student presented with papular lesions on the chin of 6 years duration. The lesions had been gradually progressive and were asymptomatic. The patient denied rubbing the chin or resting it on the palms. Examination revealed closely set papules 1 to 2 mm in diameter, follicular in location, forming round or oval shaped lesions. The surrounding as well as the underlying skin was normal. Histopathological examination of a papule showed irregular acanthosis, hyperkeratosis and follicular plugging. There was mild lymphomononuclear infiltrate around dermal appendages [Figure - 1].

Case 2 : A 13 year old female had similar lesions of 8 months duration. However, the skin underlying the lesions showed hyperpigmentation [Figure - 2].

Histopathological examination in addition revealed underlying collection of naevus cells in the dermis [Figure - 3].

Case 3 : This patient was a 16 year female student who had lesions of 10 months duration. She had an associated naevus of Ota on right side of the face.

  Comments Top

Keratotic papules are rarely encountered on the chin in dermatological practice. This is evidenced by the scarcity of reports in the literature. Goncalves in 1977[1] first reported this condition under the designation of traumatic anserine folliculosis. He considered friction to be an important aetiological factor[2]. Mehta in 1988[3] described similar condition in 6 females.

Recently Brenner and Ilie [ 4] described two brothers with keratotic papular lesions on the chin indicating their occurrence in boys and familial nature. All the previous cases were females. Neither our cases had a family history nor could the development of these lesions be attributed to friction as suggested by Goncalves[2]. The presence of a melanocytic naevus in the second patient and naevus of Ota in the third suggests that the condition could perhaps be a developmental anomaly though the association may be coincidental. Our cases once again show the female preponderance and emphasize that probably friction is not the causative factor.

The patients were prescribed a combination of corticosteroids with keratolytic agent and only one of them showed significant improvement after 2 months.

The condition can be confused with keratosis pilaris but the unusual site as well as the absence of corkscrew hair are differentiating features. Other dermatosis that may be considered is lichen spinulosus. In lichen spinulosus however, the papules are acuminate, spiny and occur on the sites of friction such as knees and elbows.[4]

  References Top

1.Padilha-Goncalves A. Folliculosis anserina. Dermatology, Proceedings of the XV International Congress of Dermatology, Mexico, Oct 16-21, 1977, International Congress Series 451, Amsterdam, Excerpta Medica, 1979:827-828.  Back to cited text no. 1    
2.Padilha-Goncalves A. Traumatic anserine folliculosis. J Dermatol, 1979;6:365-369.  Back to cited text no. 2  [PUBMED]  [FULLTEXT]
3.Mehta UR. Keratotic papular lesions on the chin in young females. In: Abstracts of the Joint Meeting of the 10th European Annual Meeting of the Society for Cutaneous Ultrastructure Research and the 4th International Dermatopathological Colloquium of the International Society of Dermatopathology. Berlin, June 1983:39-40.  Back to cited text no. 3    
4.Brenner S and Ilie B. Familial keratotic papular lesions on the chin. Internat J Dermatol, 1985;24:320-321.  Back to cited text no. 4    


[Figure - 1], [Figure - 2], [Figure - 3]


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