{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T18:30:17Z","timestamp":1787855417412,"version":"build-2784847793"},"reference-count":36,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2021,8,10]],"date-time":"2021-08-10T00:00:00Z","timestamp":1628553600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Med."],"abstract":"<jats:p><jats:bold>Purpose:<\/jats:bold> Melanocytic nevi are common cutaneous lesions. This study aimed to demonstrate the concordance and discordance between clinical and histopathological diagnoses of melanocytic nevi and the importance of histological evaluation in differentiating malignant lesions from diseases with similar clinical manifestations.<\/jats:p><jats:p><jats:bold>Patients and Methods:<\/jats:bold> We studied 4,561 consecutive patients with a clinical diagnosis of melanocytic nevi from 2014 to 2019. We compared the clinical diagnosis with the histopathological diagnosis to establish a histopathological concordance rate and then investigated the effects of clinical characteristics and the reasons for removal on misclassification.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> Among 4,561 patients who were clinically diagnosed with melanocytic nevi, the overall histopathological concordance rate was 82.11% (3,745 of 4,561 patients), while the histopathological discordance rate was 17.89% (816 of 4,561 patients). The histopathological concordance included 90.25% common acquired melanocytic nevi (3,380 of 3,745 patients) and 9.75% other benign melanocytic neoplasms (365 of 3,745 patients). The most common diagnostic change was to seborrheic keratosis (<jats:italic>n<\/jats:italic> = 470, 10.30%), followed by basal cell carcinoma (<jats:italic>n<\/jats:italic> = 64, 1.40%), vascular tumor (<jats:italic>n<\/jats:italic> = 53, 1.16%), fibroma (<jats:italic>n<\/jats:italic> = 43, 0.94%), epidermoid cyst (<jats:italic>n<\/jats:italic> = 34, 0.75%), wart (<jats:italic>n<\/jats:italic> = 30, 0.66%), melanoma (<jats:italic>n<\/jats:italic> = 24, 0.53%), Bowen's disease (<jats:italic>n<\/jats:italic> = 16, 0.35%), squamous cell carcinoma (<jats:italic>n<\/jats:italic> = 4, 0.09%), keratoacanthoma (<jats:italic>n<\/jats:italic> = 2, 0.04%), and other neoplasms (<jats:italic>n<\/jats:italic> = 76, 1.67%). Male sex, old age, location of the lesion, and the reasons for removal have a potential effect on misclassification. The percentages of misclassified lesions on the trunk and limbs and the perineum and buttocks were higher than those in lesions without a change in diagnosis. Importantly, locations of lesions on the head and neck were significantly related to a change in diagnosis to non-melanoma skin cancer, while locations on the hands and feet were significantly related to a change in diagnosis to melanoma. In addition to a typical clinical features, removal due to lesion changes or repeated stimulation was significantly associated with a change in diagnosis to melanoma.<\/jats:p><jats:p><jats:bold>Conclusions:<\/jats:bold> Our study emphasizes the clinical differential diagnosis of melanocytic nevi, especially the possibility of malignant tumors. The occurrence of clinical features associated with clinicopathological discordance should raise the clinical suspect and be carefully differentiated from malignant tumors.<\/jats:p>","DOI":"10.3389\/fmed.2021.681668","type":"journal-article","created":{"date-parts":[[2021,8,10]],"date-time":"2021-08-10T08:18:48Z","timestamp":1628583528000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":6,"title":["A Clinicopathological Analysis of Melanocytic Nevi: A Retrospective Series"],"prefix":"10.3389","volume":"8","author":[{"given":"Panpan","family":"Liu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan","family":"Su","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuanwei","family":"Zheng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mingliang","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiang","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cong","family":"Peng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yehong","family":"Kuang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wu","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2021,8,10]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1038\/s41379-019-0390-x","article-title":"New and evolving concepts of melanocytic nevi and melanocytomas","volume":"33","author":"Yeh","year":"2020","journal-title":"Mod Pathol."},{"key":"B2","doi-asserted-by":"publisher","first-page":"2017","DOI":"10.1016\/j.jid.2017.03.040","article-title":"The natural history of common melanocytic nevi: a systematic review of longitudinal studies in the general population","volume":"137","author":"Plasmeijer","year":"2017","journal-title":"J Invest Dermatol."},{"key":"B3","doi-asserted-by":"publisher","first-page":"723","DOI":"10.1111\/j.1610-0387.2011.07741.x","article-title":"Melanocytic nevi","volume":"9","author":"Hauschild","year":"2011","journal-title":"J Dtsch Dermatol Ges."},{"key":"B4","doi-asserted-by":"publisher","first-page":"254","DOI":"10.1016\/j.jaad.2019.12.077","article-title":"Adequacy of conservative 2- to 3-mm surgical margins for complete excision of biopsy-proven severely dysplastic nevi: Retrospective case series at a tertiary academic institution","volume":"83","author":"Soleymani","year":"2020","journal-title":"J Am Acad Dermatol."},{"key":"B5","doi-asserted-by":"publisher","first-page":"e1912597","DOI":"10.1001\/jamanetworkopen.2019.12597","article-title":"Assessment of second-opinion strategies for diagnoses of cutaneous melanocytic lesions","volume":"2","author":"Piepkorn","year":"2019","journal-title":"JAMA Netw Open."},{"key":"B6","doi-asserted-by":"publisher","first-page":"5771","DOI":"10.1038\/onc.2017.189","article-title":"Melanocytic nevi and melanoma: unraveling a complex relationship","volume":"36","author":"Damsky","year":"2017","journal-title":"Oncogene."},{"key":"B7","volume-title":"Dermatology E-Book","author":"Bolognia","year":"2017"},{"key":"B8","doi-asserted-by":"publisher","first-page":"1028","DOI":"10.1016\/j.jaad.2020.05.080","article-title":"A retrospective cohort study of the diagnostic value of different subtypes of atypical pigment network on dermoscopy","volume":"83","author":"Shi","year":"2020","journal-title":"J Am Acad Dermatol."},{"key":"B9","doi-asserted-by":"publisher","first-page":"434","DOI":"10.1111\/bjd.18106","article-title":"Does the gene matter? 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