Conclusion

Leukemia cutis is a complication of leukemia in which there is excessive proliferation of white blood cells which start depositing in the layers of the skin. It is a rare condition and can manifest with any type of leukemia, no matter what the cause is. To treat leukemia cutis, it is important to stop the progression of leukemia first. Leukemia cutis patients present with abnormal skin lesions ranging from papules, plaques, nodules to ulcers. These lesions mostly occur at sites of previous injury or in the area of previous scars.
References
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Resnik, K. S., & Brod, B. B. (1993). Leukemia cutis in congenital leukemia: analysis and review of the world literature with report of an additional case. Archives of dermatology, 129(10), 1301-1306.
Wagner, G., Fenchel, K., Back, W., Schulz, A., & Sachse, M. M. (2012). Leukemia cutis–epidemiology, clinical presentation, and differential diagnoses. JDDG: Journal der Deutschen Dermatologischen Gesellschaft, 10(1), 27-36.