Reticulated violaceous patches in a 10-year-old boy

Cassidy M Nguyen¹, Emily Clarke¹, Rosemary Peterson^{2

3}, Brett H Keeling¹, Lucia Z Diaz^{1

3

4}

Affiliations

¹ Division of Dermatology, Department of Internal Medicine, Dell Medical School, University of Texas at Austin, Austin, Texas.
² Division of Pediatric Rheumatology, Department of Pediatrics, Dell Medical School, University of Texas at Austin, Austin, Texas.
³ Dell Children's Medical Center, Austin, Texas.
⁴ Division of Pediatric Dermatology, Department of Pediatrics, Dell Medical School, University of Texas at Austin, Austin, Texas.

Cassidy M Nguyen et al. JAAD Case Rep. 2024.

. 2024 Oct 11:62:143-145.

doi: 10.1016/j.jdcr.2024.09.020. eCollection 2025 Aug.

Cassidy M Nguyen¹, Emily Clarke¹, Rosemary Peterson^{2

3}, Brett H Keeling¹, Lucia Z Diaz^{1

3

4}

¹ Division of Dermatology, Department of Internal Medicine, Dell Medical School, University of Texas at Austin, Austin, Texas.
² Division of Pediatric Rheumatology, Department of Pediatrics, Dell Medical School, University of Texas at Austin, Austin, Texas.
³ Dell Children's Medical Center, Austin, Texas.
⁴ Division of Pediatric Dermatology, Department of Pediatrics, Dell Medical School, University of Texas at Austin, Austin, Texas.

No abstract available

Keywords: DADA2; adenosine deaminase 2 deficiency; livedo racemosa; livedo reticularis; polyarteritis nodosa.

Conflict of interest statement

None disclosed.

1. Lee P.Y., Davidson B.A., Abraham R.S., et al. Evaluation and management of deficiency of adenosine deaminase 2: an international consensus statement. JAMA Netw Open. 2023;6(5) doi: 10.1001/jamanetworkopen.2023.15894. - DOI - PubMed
1. Chasset F., Fayand A., Moguelet P., et al. Clinical and pathological dermatological features of deficiency of adenosine deaminase 2: a multicenter, retrospective, observational study. J Am Acad Dermatol. 2020;83(6):1794–1798. doi: 10.1016/j.jaad.2020.03.110. - DOI - PubMed
1. Kasap Cuceoglu M., Sener S., Batu E.D., et al. Systematic review of childhood-onset polyarteritis nodosa and DADA2. Semin Arthritis Rheum. 2021;51(3):559–564. doi: 10.1016/j.semarthrit.2021.04.009. - DOI - PubMed