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Journal of Postgraduate Medicine
Medknow Publications and Staff Society of Seth GS Medical College and KEM Hospital, Mumbai, India
ISSN: 0022-3859 EISSN: 0022-3859
Vol. 55, No. 1, 2009, pp. 38-40
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Bioline Code: jp09010
Full paper language: English
Document type: Case Report
Document available free of charge
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Journal of Postgraduate Medicine, Vol. 55, No. 1, 2009, pp. 38-40
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Unusual Presentation of Pulmonary Tumor Thrombotic Microangiopathy With no Detectable Primary Tumor
Seppala, N.; Cala, A. & Klebe, S.
Abstract
Pulmonary tumor thrombotic microangiopathy (PTTM) is a rare condition characterized by the presence of diffuse thrombotic microthrombi and fibrocellular intimal proliferation in the pulmonary vasculature. Its development is linked to the presence of pulmonary tumor microemboli (PTM) and should be suspected in patients with unexplained dyspnea, especially in the presence of adenocarcinoma. PTTM presents in a similar fashion to respiratory disease such as pulmonary embolism, pulmonary hypertension or pneumonia and is usually only diagnosed post-mortem. We report a case of PTTM identified ante-mortem by bronchial biopsy in an 82-year-old woman presenting with a clinical picture of atypical pneumonia. Autopsy confirmed PTTM, from an unknown primary neoplasm.
Keywords
Pulmonary embolism, thrombotic syndromes, tumor, unknown primary tumors
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