{"id":14840,"date":"2024-10-16T23:16:17","date_gmt":"2024-10-16T23:16:17","guid":{"rendered":"https:\/\/medexperts.pro\/?p=14840"},"modified":"2024-10-16T23:22:56","modified_gmt":"2024-10-16T23:22:56","slug":"columbia-cancer-surgeon-notches-5-more-retractions-for-suspicious-data","status":"publish","type":"post","link":"https:\/\/medexperts.pro\/?p=14840","title":{"rendered":"Columbia Cancer Surgeon Notches 5 More Retractions for Suspicious Data"},"content":{"rendered":"<div><\/div>\n<p id=\"article-summary\" class=\"css-79rysd e1wiw3jv0\">Dr. Sam Yoon and a collaborator duplicated images across their research studies over many years. The collaborator has left Columbia.<\/p>\n<section class=\"meteredContent css-1r7ky0e\">\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-0\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">The chief of a cancer surgery division at Columbia University this week had five research articles retracted and a sixth tagged with an editor\u2019s note, underscoring concerns about research misconduct that have lately bedeviled Columbia as well as cancer labs at several other elite American universities.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">With the latest retractions, the Columbia lab, led by Dr. Sam Yoon, has had more than a dozen studies pulled over suspicious results since The New York Times <a class=\"css-yywogo\" href=\"https:\/\/www.nytimes.com\/2024\/02\/15\/science\/columbia-cancer-surgeon-sam-yoon-flawed-data.html\" title>reported<\/a> in February on data discrepancies in the lab\u2019s work.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">The retracted studies were among 26 articles by Dr. Yoon and a more junior collaborator that a scientific sleuth in Britain, Sholto David, <a class=\"css-yywogo\" href=\"https:\/\/forbetterscience.com\/2023\/11\/01\/memorial-sloan-kettering-paper-mill\/\" title rel=\"noopener noreferrer\" target=\"_blank\">revealed<\/a> had presented images from one experiment as data from another, a tactic that can be used to massage or falsify the results of studies.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">Dr. Yoon\u2019s more junior collaborator, Changhwan Yoon, no longer works in the lab, Columbia said in response to questions on Wednesday. But the university has said little else about what, if anything, it has done to address the allegations.<\/p>\n<\/div>\n<\/div>\n<div data-testid=\"Dropzone-1\"><\/div>\n<div class=\"css-s99gbd StoryBodyCompanionColumn\" data-testid=\"companionColumn-1\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\">Since the Times article in February, Dr. Yoon\u2019s name has been changed from Sam Yoon to S. Sunghyun Yoon on a <a class=\"css-yywogo\" href=\"https:\/\/columbiasurgery.org\/sam-yoon-md\" title rel=\"noopener noreferrer\" target=\"_blank\">Columbia website<\/a> advertising surgical treatment options. Because of the change, the Columbia surgeon who is being promoted to many patients has a name that no longer matches the one Dr. Yoon used to publish his retracted studies. A <a class=\"css-yywogo\" href=\"https:\/\/columbiasurgery.org\/news\/columbia-creates-new-surgical-oncology-division-under-dr-sam-yoon\" title rel=\"noopener noreferrer\" target=\"_blank\">Columbia hiring announcement<\/a> from several years ago was also recently edited to change the rendering of Dr. Yoon\u2019s name, according to web page archives.<\/p>\n<p class=\"css-at9mc1 evys1bk0\">Columbia said that faculty members were responsible for any name changes on departmental web pages. The university declined to comment on the retractions. Memorial Sloan Kettering Cancer Center, where Dr. Yoon worked when much of the questionable research was done, also declined to comment, saying only that it reviews such cases.<\/p>\n<div class=\"css-1336jj\">\n<div class=\"css-121kum4\">\n<div class=\"css-171d1bw\"><\/div>\n<div class=\"css-asuuk5\">\n<div class=\"css-7axq9l\" data-testid=\"optimistic-truncator-noscript\">\n<div data-testid=\"optimistic-truncator-noscript-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">We are having trouble retrieving the article content.<\/p>\n<p class=\"css-3kpklk\">Please enable JavaScript in your browser settings.<\/p>\n<\/div>\n<\/div>\n<div class=\"css-1dv1kvn\" id=\"optimistic-truncator-a11y\">\n<hr \/>\n<p>Thank you for your patience while we verify access. If you are in Reader mode please exit and\u00a0<a href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F10%2F16%2Fscience%2Fsam-yoon-columbia-cancer-surgeon-5-more-retractions.html&amp;asset=opttrunc\">log into<\/a>\u00a0your Times account, or\u00a0<a href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F10%2F16%2Fscience%2Fsam-yoon-columbia-cancer-surgeon-5-more-retractions.html\">subscribe<\/a>\u00a0for all of The Times.<\/p>\n<hr \/>\n<\/div>\n<div class=\"css-1g71tqy\">\n<div data-testid=\"optimistic-truncator-message\" class=\"css-6yo1no\">\n<p class=\"css-3kpklk\">Thank you for your patience while we verify access.<\/p>\n<p class=\"css-3kpklk\">Already a subscriber?\u00a0<a data-testid=\"log-in-link\" class=\"css-z5ryv4\" href=\"https:\/\/myaccount.nytimes.com\/auth\/login?response_type=cookie&amp;client_id=vi&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F10%2F16%2Fscience%2Fsam-yoon-columbia-cancer-surgeon-5-more-retractions.html&amp;asset=opttrunc\">Log in<\/a>.<\/p>\n<p class=\"css-3kpklk\">Want all of The Times?\u00a0<a data-testid=\"subscribe-link\" class=\"css-z5ryv4\" href=\"https:\/\/www.nytimes.com\/subscription?campaignId=89WYR&amp;redirect_uri=https%3A%2F%2Fwww.nytimes.com%2F2024%2F10%2F16%2Fscience%2Fsam-yoon-columbia-cancer-surgeon-5-more-retractions.html\">Subscribe<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Dr. Sam Yoon and a collaborator duplicated images across their research studies over many years. The collaborator has left Columbia.The chief of a cancer surgery division at Columbia University this week had five research articles retracted and a sixth tagged with an editor\u2019s note, underscoring concerns about research misconduct that have lately bedeviled Columbia as well as cancer labs at several other elite American universities.With the latest retractions, the Columbia lab, led by Dr. Sam Yoon, has had more than a dozen studies pulled over suspicious results since The New York Times reported in February on data discrepancies in the lab\u2019s work.The retracted studies were among 26 articles by Dr. Yoon and a more junior collaborator that a scientific sleuth in Britain, Sholto David, revealed had presented images from one experiment as data from another, a tactic that can be used to massage or falsify the results of studies.Dr. Yoon\u2019s more junior collaborator, Changhwan Yoon, no longer works in the lab, Columbia said in response to questions on Wednesday. But the university has said little else about what, if anything, it has done to address the allegations.Since the Times article in February, Dr. Yoon\u2019s name has been changed from Sam Yoon to S. Sunghyun Yoon on a Columbia website advertising surgical treatment options. Because of the change, the Columbia surgeon who is being promoted to many patients has a name that no longer matches the one Dr. Yoon used to publish his retracted studies. A Columbia hiring announcement from several years ago was also recently edited to change the rendering of Dr. Yoon\u2019s name, according to web page archives.Columbia said that faculty members were responsible for any name changes on departmental web pages. The university declined to comment on the retractions. Memorial Sloan Kettering Cancer Center, where Dr. Yoon worked when much of the questionable research was done, also declined to comment, saying only that it reviews such cases.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. 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