{"id":4407,"date":"2026-04-21T09:27:12","date_gmt":"2026-04-21T09:27:12","guid":{"rendered":"https:\/\/www.oferreiter.com\/?p=4407"},"modified":"2026-04-21T09:27:57","modified_gmt":"2026-04-21T09:27:57","slug":"pigment-network-analysis-in-melanoma-and-nevi-retrospective-study-from-snippets-to-full-dermoscopic-images","status":"publish","type":"post","link":"https:\/\/www.oferreiter.com\/en\/pigment-network-analysis-in-melanoma-and-nevi-retrospective-study-from-snippets-to-full-dermoscopic-images\/","title":{"rendered":"Pigment Network Analysis in Melanoma and Nevi: Retrospective Study from Snippets to Full Dermoscopic Images"},"content":{"rendered":"
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Noa Kremer<\/a>\u00a0<\/span>1<\/a>\u00a0<\/span>2<\/a><\/sup>,\u00a0<\/span><\/span>Isabella N Dana<\/a>\u00a0<\/span>1<\/a>\u00a0<\/span>3<\/a><\/sup>,\u00a0<\/span><\/span>Emmanouil Chousakos<\/a>\u00a0<\/span>4<\/a><\/sup>,\u00a0<\/span><\/span>Larissa M Pastore<\/a>\u00a0<\/span>5<\/a><\/sup>,\u00a0<\/span><\/span>Allan C Halpern<\/a>\u00a0<\/span>1<\/a><\/sup>,\u00a0<\/span><\/span>Stephen W Dusza<\/a>\u00a0<\/span>1<\/a><\/sup>,\u00a0<\/span><\/span>Jochen Weber<\/a>\u00a0<\/span>1<\/a><\/sup>,\u00a0<\/span><\/span>Ofer Reiter<\/a>\u00a0<\/span>1<\/a>\u00a0<\/span>2<\/a><\/sup>,\u00a0<\/span><\/span>Aimilios Lallas<\/a>\u00a0<\/span>6<\/a><\/sup>,\u00a0<\/span><\/span>Cristian Navarrete-Dechent<\/a>\u00a0<\/span>1<\/a>\u00a0<\/span>7<\/a><\/sup>,\u00a0<\/span><\/span>Ralph Braun<\/a>\u00a0<\/span>8<\/a><\/sup>,\u00a0<\/span><\/span>Harold S Rabinovitz<\/a>\u00a0<\/span>9<\/a><\/sup>,\u00a0<\/span><\/span>Gustavo Carvalho<\/a>\u00a0<\/span>10<\/a><\/sup>,\u00a0<\/span><\/span>Rashek Kazi<\/a>\u00a0<\/span>1<\/a><\/sup>,\u00a0<\/span><\/span>Rozina B Zeidan<\/a>\u00a0<\/span>1<\/a><\/sup>,\u00a0<\/span><\/span>Shirin Bajaj<\/a>\u00a0<\/span>1<\/a><\/sup>,\u00a0<\/span><\/span>Nicholas R Kurtansky<\/a>\u00a0<\/span>1<\/a><\/sup>,\u00a0<\/span><\/span>Ashfaq A Marghoob<\/a>\u00a0<\/span>1<\/a><\/sup><\/span><\/div>\n<\/div>\n<\/div>\n
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Introduction:\u00a0<\/strong>Atypical network is a dermoscopic criterion that helps in the diagnosis of melanoma. Despite its importance, the interpretation of atypical networks varies widely among experts.<\/p>\n

Objective:\u00a0<\/strong>This study examined the impact of viewing the whole lesion versus viewing foci of pigment network (i.e., snippets) in isolation from within the lesion on expert classification of pigment network in dermoscopic images.<\/p>\n

Method:\u00a0<\/strong>Six dermoscopy experts, blinded to the diagnosis, each evaluated a total of 92 images (80 nevi and 12 melanomas) for the presence of typical versus atypical pigment network. While 57% of images had consistent classification of the network between whole lesion and snippets, 43% shifted the network classification between the snippet to the whole lesion view. Melanomas were more prone than nevi to intra-rater discrepancy between whole lesion and snippets (54.2% vs. 41.7%; odds ratio (OR): 1.65; 95% confidence interval (CI): 1.11-2.47). The inter-observer agreement was higher for the snippet view (65.22%) than for the whole lesion view (55%).<\/p>\n

Results:\u00a0<\/strong>These findings suggest that both the objective morphology of the pigment network and the subjective interpretation of the network in context with other features within the lesion influence expert classification of pigment network.<\/p>\n

Conclusion:\u00a0<\/strong>Factors such as the variability in the distribution, thickness, and color of network lines, overall pattern, and other dermoscopic structures likely contributed to the classification changes.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Noa Kremer\u00a01\u00a02,\u00a0Isabella N Dana\u00a01\u00a03,\u00a0Emmanouil Chousakos\u00a04,\u00a0Larissa M Pastore\u00a05,\u00a0Allan C Halpern\u00a01,\u00a0Stephen W Dusza\u00a01,\u00a0Jochen Weber\u00a01,\u00a0Ofer Reiter\u00a01\u00a02,\u00a0Aimilios Lallas\u00a06,\u00a0Cristian Navarrete-Dechent\u00a01\u00a07,\u00a0Ralph Braun\u00a08,\u00a0Harold S Rabinovitz\u00a09,\u00a0Gustavo Carvalho\u00a010,\u00a0Rashek Kazi\u00a01,\u00a0Rozina B Zeidan\u00a01,\u00a0Shirin Bajaj\u00a01,\u00a0Nicholas R Kurtansky\u00a01,\u00a0Ashfaq A Marghoob\u00a01 Introduction:\u00a0Atypical network is a dermoscopic criterion that helps in the diagnosis of melanoma. Despite its importance, the interpretation of atypical networks varies widely among experts. Objective:\u00a0This study examined […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4407","post","type-post","status-publish","format-standard","hentry","category-published-research"],"yoast_head":"\nPigment Network Analysis in Melanoma and Nevi: Retrospective Study from Snippets to Full Dermoscopic Images - \u05d3"\u05e8 \u05e2\u05d5\u05e4\u05e8 \u05e8\u05d9\u05d9\u05d8\u05e8 \u05d0\u05d2\u05e8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.oferreiter.com\/en\/pigment-network-analysis-in-melanoma-and-nevi-retrospective-study-from-snippets-to-full-dermoscopic-images\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pigment Network Analysis in Melanoma and Nevi: Retrospective Study from Snippets to Full Dermoscopic Images - \u05d3"\u05e8 \u05e2\u05d5\u05e4\u05e8 \u05e8\u05d9\u05d9\u05d8\u05e8 \u05d0\u05d2\u05e8\" \/>\n<meta property=\"og:description\" content=\"Noa Kremer\u00a01\u00a02,\u00a0Isabella N Dana\u00a01\u00a03,\u00a0Emmanouil Chousakos\u00a04,\u00a0Larissa M Pastore\u00a05,\u00a0Allan C Halpern\u00a01,\u00a0Stephen W Dusza\u00a01,\u00a0Jochen Weber\u00a01,\u00a0Ofer Reiter\u00a01\u00a02,\u00a0Aimilios Lallas\u00a06,\u00a0Cristian Navarrete-Dechent\u00a01\u00a07,\u00a0Ralph Braun\u00a08,\u00a0Harold S Rabinovitz\u00a09,\u00a0Gustavo Carvalho\u00a010,\u00a0Rashek Kazi\u00a01,\u00a0Rozina B Zeidan\u00a01,\u00a0Shirin Bajaj\u00a01,\u00a0Nicholas R Kurtansky\u00a01,\u00a0Ashfaq A Marghoob\u00a01 Introduction:\u00a0Atypical network is a dermoscopic criterion that helps in the diagnosis of melanoma. Despite its importance, the interpretation of atypical networks varies widely among experts. 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Objective:\u00a0This study examined […]","og_url":"https:\/\/www.oferreiter.com\/en\/pigment-network-analysis-in-melanoma-and-nevi-retrospective-study-from-snippets-to-full-dermoscopic-images\/","og_site_name":"\u05d3"\u05e8 \u05e2\u05d5\u05e4\u05e8 \u05e8\u05d9\u05d9\u05d8\u05e8 \u05d0\u05d2\u05e8","article_published_time":"2026-04-21T09:27:12+00:00","article_modified_time":"2026-04-21T09:27:57+00:00","og_image":[{"url":"https:\/\/assets.thirdiron.com\/images\/covers\/2160-9381.png","type":"","width":"","height":""}],"author":"ofer-r","twitter_card":"summary_large_image","twitter_misc":{"Written by":"ofer-r","Est. reading time":"2 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