|THROUGH THE DERMOSCOPE
|Year : 2021 | Volume
| Issue : 2 | Page : 378-379
Darier's disease with guttate leukoderma: Correlation of dermoscopic and histological findings
Sachin Gupta1, Nikhil Mehta1, Shipra Agarwal2, Neetu Bhari1
1 Department of Dermatology and Venereology, All India Institute of Medical Sciences, New Delhi, India
2 Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
|Date of Submission||21-Sep-2019|
|Date of Decision||06-Nov-2019|
|Date of Acceptance||24-Dec-2019|
|Date of Web Publication||28-Sep-2020|
Dermatology and Venereology, All India Institute of Medical Sciences, New Delhi
Source of Support: None, Conflict of Interest: None
|How to cite this article:|
Gupta S, Mehta N, Agarwal S, Bhari N. Darier's disease with guttate leukoderma: Correlation of dermoscopic and histological findings. Indian Dermatol Online J 2021;12:378-9
|How to cite this URL:|
Gupta S, Mehta N, Agarwal S, Bhari N. Darier's disease with guttate leukoderma: Correlation of dermoscopic and histological findings. Indian Dermatol Online J [serial online] 2021 [cited 2021 Apr 18];12:378-9. Available from: https://www.idoj.in/text.asp?2021/12/2/378/295464
A 15-year-old boy presented with multiple itchy hyperpigmented papules over face and trunk and hypopigmented macules over limbs for the last 8 years. The patient reported exacerbation of itching in the lesions during summers, especially after sweating. The hypopigmented macules were not preceded by any inflammatory lesions. Similar lesions were also noted in his mother. On examination, there were multiple skin-colored to hyperpigmented greasy papules and plaques present over the face, predominantly in the centrofacial area and the upper trunk. He also had multiple hypopigmented macules, 1–4 mm in size, on extensor surface of both upper limbs. Punctate depressions were seen on the palms [Figure 1]. Nails and oral cavity were normal.
|Figure 1: (a) Discrete to confluent greasy papules over the nasolabial folds. (b) punctate depressions on the palms. (c) hypopigmented macules over the extensors of the forearm|
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Dermoscopic examination [DermLiteTM DL4 (3Gen, San Juan Capistrano, CA, USA)] of facial papules showed a central brownish area surrounded by a thin whitish halo and fine white scales, while dermoscopy of forearm showed multiple depigmented areas of variable size and shapes which were confluent at places [Figure 2]a and [Figure 2]b. Histopathological examination of skin biopsy taken from papular lesion on chest showed hyperkeratosis, focal parakeratosis, acanthosis, necrotic keratinocytes, and suprabasal cleft formation, while that of hypopigmented macule did not reveal any abnormality [Figure 2]c and [Figure 2]d.
|Figure 2: (a) Dermoscopy (10x, polarizing, DermLite™ DL4, 3Gen, San Juan Capistrano, CA, USA) of greasy papule showing central brownish area (blue arrow) with a thin whitish halo (oval shape) and fine white scales (green arrow). (b) Dermoscopy (10x) from forearm showing multiple depigmented areas (black arrow) of variable size and shapes, confluent at places (green arrow). (c) Skin biopsy (H and E, 100x) from greasy papule showing hyperkeratosis, parakeratosis (blue arrow), necrotic keratinocytes (black arrow), and suprabasal cleft (green arrow). (d) Skin biopsy (H and E, 100x) from hypopigmented macule was within normal limits|
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Darier's disease is an autosomal dominant disorder of keratinization caused by mutations in ATP2A2 which encodes for the SERCA2 calcium pump. The disease is characterized by greasy, hyperkeratotic, skin-colored to hypopigmented papules predominantly in a seborrheic distribution at the scalp, face, trunk and flexures. Guttate leukoderma has been described as a rare manifestation of Darier's disease. Dermoscopic features of greasy papules in Darier's have recently been described.,, Brownish areas and fine white scales on dermoscopy correspond histopathologically to marked hyperkeratosis and parakeratosis while a peripheral whitish halo correlates with marked acanthosis., The brownish areas have been referred as pseudocomedones by previous authors. Dermoscopy of guttate leukoderma lesions has not been reported previously. Thus, dermoscopic evaluation of greasy papules and guttate leukoderma may allow earlier diagnosis of this disease and may help in appropriate management.
Declaration of patient consent
The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to b'e reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.
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Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2]