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Images/Instrument in Dermatology/Dermatosurgery
2022
:2;
127
doi:
10.25259/CSDM_143_2022

Dermoscopy of pitted keratolysis

Department of Dermatology and STD, Vardhman Mahavir Medical College and Safdarjung Hospital, Delhi, India
Corresponding author: Prakhar Srivastava, Department of Dermatology and STD, Vardhman Mahavir Medical College and Safdarjung Hospital, Delhi, India. sriprakhar1996@gmail.com
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This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, transform, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

How to cite this article: Srivastava P, Khunger N. Dermoscopy of pitted keratolysis. CosmoDerma 2022;2:127.

A 32-year-old gentleman presented with irritated malodourous hyperhidrotic soles with multiple small pits, diagnosed as pitted keratolysis or keratosis plantare sulcatum [Figure 1]. It is a superficial bacterial infection caused by organisms such as Corynebacterium spp., Actinomyces spp., Dermatophilus congolensis, and Kytococcus sedentarius. Dermoscopy of pitted keratolysis showed multiple clustered and scattered, crateriform pits on weight-bearing areas of the soles, having irregular shape, well-defined margins, and punched-out edges, containing brown-black dirt and debris, along with break in the dermatoglyphics [Figure 2] (DermLite DL3N, dry, contact, polarized, ×10).

Figure 1:: Soles with multiple small pits at pressure areas of the soles.
Figure 2:: Dermoscopy of pitted keratolysis showing multiple clustered and scattered, crateriform pits having irregular shape, well-defined margins, and punched-out edges, containing brown-black dirt and debris, along with break in the dermatoglyphics (DermLite DL3N, dry, contact, polarized, ×10).

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.


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