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Gorman BG, Campbell E, Mullen BL, Deo N, Ahn J, Carley S, Castro MR, Todd A, Vidal NY. Association between Hashimoto's thyroiditis and melanoma: a retrospective matched cohort study. Arch Dermatol Res 2023; 315:2721-2724. [PMID: 37477680 DOI: 10.1007/s00403-023-02669-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 05/16/2023] [Accepted: 07/13/2023] [Indexed: 07/22/2023]
Abstract
An inflammatory microenvironment has been shown to increase risk for malignant melanoma, suggesting that melanoma may be related to a pro-inflammatory state. Though Hashimoto's thyroiditis is one of the most common autoimmune diseases, there are no investigations of its relationship with melanoma. We aim to determine if Hashimoto's increases risk of developing melanoma. A retrospective, validated cohort of patients with a diagnosis of Hashimoto's between 2005 and 2020 were identified using the Olmsted County database. Patients were age and sex matched to controls without a Hashimoto's diagnosis. The primary outcomes were development of melanoma and time to first melanoma diagnosis. 4805 patients were included in the study, with 1726 (36%) having a diagnosis of Hashimoto's. Hashimoto's patients had no significant difference in risk of melanoma (relative risk 0.96, 95% CI 0.78-1.17) or nonmelanoma skin cancer (relative risk 0.95, 95% CI 0.86-1.06) compared with matched controls. This suggests that the local proinflammatory environment present in Hashimoto's does not contribute significantly to melanoma risk. Larger studies may be needed to further characterize the relationship between these diseases.
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Affiliation(s)
- B G Gorman
- Mayo Clinic Alix School of Medicine, 200 First Street SW, Rochester, MN, 55905, USA.
- Mayo Clinic Graduate School of Biomedical Sciences, Rochester, MN, USA.
| | - E Campbell
- Department of Dermatology, Mayo Clinic, Rochester, MN, USA
| | - B L Mullen
- Mayo Clinic Alix School of Medicine, 200 First Street SW, Rochester, MN, 55905, USA
| | - N Deo
- Mayo Clinic Alix School of Medicine, 200 First Street SW, Rochester, MN, 55905, USA
| | - J Ahn
- Department of Dermatology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - S Carley
- Sharp Rees-Stealy Dermatology, San Diego, CA, USA
| | - M R Castro
- Division of Endocrinology, Mayo Clinic, Rochester, MN, USA
| | - A Todd
- Clinical Trials and Biostatistics Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - N Y Vidal
- Department of Dermatology, Mayo Clinic, Rochester, MN, USA
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Deo N, Campbell E, Gorman BG, Mullen BM, Ahn J, Carley S, Castro MR, Todd A, Vidal NY. Incidence of Melanoma is Not Elevated in Patients with Graves’ Disease: A Retrospective Matched Cohort Study. JAAD Int 2023; 11:222-223. [PMID: 37152216 PMCID: PMC10154956 DOI: 10.1016/j.jdin.2023.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023] Open
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