Chad J Jessup1, Lisa M Cohen. 1. Department of Pathology Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA 02215, USA. cjessup@bidmc.harvard.edu
Abstract
BACKGROUND: De novo intraepidermal epithelioid melanocytic dysplasia (DNIEMD) is a newly characterized lesion that is associated with a personal and/or family history of malignant melanoma (MM) and/or dysplastic nevi (DN). However, the biological significance is still uncertain and the persons predisposed to this lesion have not been adequately described. METHODS: Clinicopathologic data of 258 patients, from 263 biopsies diagnosed with DNIEMD, was obtained. A brief voluntary questionnaire was used to obtain demographic, risk factor and disease history. RESULTS: There is an 82% (n=263) predominance of women with DNIEMDs. For men and women, the distributions of these lesions occur on the lower extremities (71%), the upper extremities (24%) and trunk (5%). Thirty-one percent of the 258 patients responded to the questionnaires. 48% of the 60 respondents had green or blue eyes. 26% of 62 respondents had a history of non-melanoma skin cancer (NMSC). Combined data revealed that 68% of 134 patients had a history of DN. As well, 24% of 89 patients had personal histories of melanoma, while 24% of 72 patients had a family history of melanoma. CONCLUSION: Most of these DNIEMD lesions are found on the lower extremities of women and men, and they have an increased association with MM, DN and NMSC.
BACKGROUND: De novo intraepidermal epithelioid melanocytic dysplasia (DNIEMD) is a newly characterized lesion that is associated with a personal and/or family history of malignant melanoma (MM) and/or dysplastic nevi (DN). However, the biological significance is still uncertain and the persons predisposed to this lesion have not been adequately described. METHODS: Clinicopathologic data of 258 patients, from 263 biopsies diagnosed with DNIEMD, was obtained. A brief voluntary questionnaire was used to obtain demographic, risk factor and disease history. RESULTS: There is an 82% (n=263) predominance of women with DNIEMDs. For men and women, the distributions of these lesions occur on the lower extremities (71%), the upper extremities (24%) and trunk (5%). Thirty-one percent of the 258 patients responded to the questionnaires. 48% of the 60 respondents had green or blue eyes. 26% of 62 respondents had a history of non-melanoma skin cancer (NMSC). Combined data revealed that 68% of 134 patients had a history of DN. As well, 24% of 89 patients had personal histories of melanoma, while 24% of 72 patients had a family history of melanoma. CONCLUSION: Most of these DNIEMD lesions are found on the lower extremities of women and men, and they have an increased association with MM, DN and NMSC.