{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,27]],"date-time":"2026-06-27T14:23:31Z","timestamp":1782570211441,"version":"3.54.5"},"reference-count":20,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2024,3,22]],"date-time":"2024-03-22T00:00:00Z","timestamp":1711065600000},"content-version":"vor","delay-in-days":21,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cancer Reports"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Cancer\u2010related thrombotic microangiopathy (CR\u2010TMA) is a rare type of Coombs\u2010negative hemolytic anemia, which is caused by malignancy and has a poor prognosis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case<\/jats:title><jats:p>A 76\u2010year\u2010old female was referred to our hospital due to Coombs\u2010negative hemolytic anemia, which was causing fatigue and dyspnea on exertion, accompanied by schistocytosis. A bone marrow examination demonstrated bone marrow carcinomatosis, and the tumor cells were morphologically suspected to be signet\u2010ring cell carcinoma cells. As we failed to find the primary tumor site before the patient died, she was diagnosed with CR\u2010TMA due to bone marrow carcinomatosis of unknown primary origin. Thrombotic thrombocytopenic purpura (TTP) was rapidly ruled out based on her PLASMIC score. In addition, immunohistochemical staining of a clot section of the bone marrow and tumor marker data were useful for narrowing down the likely primary tumor site.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Although CR\u2010TMA is an extremely rare phenomenon, clinicians who suspect CR\u2010TMA should quickly rule out TTP and decide whether to provide appropriate chemotherapy or plan for palliative care.<\/jats:p><\/jats:sec>","DOI":"10.1002\/cnr2.2036","type":"journal-article","created":{"date-parts":[[2024,3,22]],"date-time":"2024-03-22T15:23:25Z","timestamp":1711121005000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Cancer\u2010related thrombotic microangiopathy and disseminated intravascular coagulation in a patient with bone marrow carcinomatosis of unknown primary origin: A case 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