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Ann Thorac Med. 2012 Jul;7(3):168-9. doi: 10.4103/1817-1737.98853.

Pulmonary tumor thrombotic microangiopathy caused by gastric cancer.

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Department of Pathology, Osaka Medical College, Osaka, Japan.


Pulmonary tumor thrombotic microangiopathy (PTTM) is a fatal cancer-related pulmonary complication with rapidly progressing dyspnea, and occasionally induces sudden death. Here, we describe a postmortem-diagnosed PTTM case caused by gastric cancer, with the complaint of progressing dyspnea for 5 days.He did not have any abdominal symptoms or cancer history. PTTM should be considered in patients with rapidly worsening respiratory conditions, even if there is no cancer history.


Dyspnea; PTTM; gastric cancer

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