{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T20:33:24Z","timestamp":1789072404696,"version":"build-2803163510"},"reference-count":14,"publisher":"BMJ","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BMJ Case Reports"],"abstract":"<jats:p>We present a middle-aged man with history of lung adenocarcinoma, who was admitted with massive haemoptysis secondary to severe thrombocytopenia. Two weeks prior he was started on enoxaparin for a newly diagnosed pulmonary embolus and at that time required blood transfusions for anaemia. Our initial diagnosis was heparin-induced thrombocytopenia. His platelet count, however, did not improve despite receiving argatroban and platelet transfusions. Hence, we suspected post-transfusion purpura (PTP) and started him on intravenous immunoglobulin which brought his platelet count to normal levels. The serotonin-release assay was negative and platelet-antibody test was positive confirming PTP as our diagnosis. The patient eventually was transferred to hospice care because of the advanced stage lung cancer and died of respiratory failure.<\/jats:p>","DOI":"10.1136\/bcr-2013-008860","type":"journal-article","created":{"date-parts":[[2013,5,25]],"date-time":"2013-05-25T02:03:44Z","timestamp":1369447424000},"page":"bcr2013008860","source":"Crossref","is-referenced-by-count":17,"title":["Post-transfusion purpura: a rare and life-threatening aetiology of thrombocytopenia"],"prefix":"10.1136","volume":"2013","author":[{"given":"Parikshit","family":"Padhi","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gulam Sadiq","family":"Parihar","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jason","family":"Stepp","sequence":"additional","affiliation":[{"name":"Department of Hematology\/Oncology, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Kaplan","sequence":"additional","affiliation":[{"name":"Department of Hematology\/Oncology, West Penn Allegheny Health System, Pittsburgh, Pennsylvania, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2013,5,24]]},"reference":[{"key":"2025082703523042000_2013.may24_1.bcr2013008860.1","doi-asserted-by":"crossref","first-page":"529","DOI":"10.1182\/blood.V45.4.529.529","article-title":"Post-transfusion purpura: a heterogenous condition","volume":"2013","author":"Zeigler","year":"1975","journal-title":"Blood"},{"key":"2025082703523042000_2013.may24_1.bcr2013008860.2","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1002\/ajh.2830090312","article-title":"Post-transfusion purpura: an enigma of alloimmunization","volume":"2013","author":"Lau","year":"1980","journal-title":"Am J Hematol"},{"key":"2025082703523042000_2013.may24_1.bcr2013008860.3","doi-asserted-by":"crossref","first-page":"1597","DOI":"10.1172\/JCI104383","article-title":"Immunoreactions involving platelets. 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