Intrapulmonary hematoma diagnosed by magnetic resonance imaging

S. Fukuyama, H. Aizawa, H. Inoue, K. Hidaka, S. Murayama, J. Murakami, K. Hara

Research output: Contribution to journalArticlepeer-review


We report a case of intrapulmonary hematoma in which magnetic resonance imaging was useful in establishing the diagnosis. A 53-year-old man had bronchial asthma that was well controlled with inhaled beclomethasone dipropionate and salbutamol, and with oral theophylline. A spherical mass was found in the right lower lung field on a chest radiograph taken during a regular physical examination. A CT scan showed a well-circumscribed spherical mass, which was attached to an intrapulmonary bullae. Magnetic resonance imaging showed a well-circumscribed mass in the superior segment of the right lower lobe. On a T1-weighted image the mass was hyperintense and had a higher-intensity rim. On a T2-weighted image the mass was hyperintense and had some hypointense areas. We therefore diagnosed intrapulmonary hematoma. Chest radiography 6 months later revealed a substantial decrease in the size of the mass, which supported the diagnosis. As in this case, intrapulmonary hematoma can be difficult to diagnose because of the lack of a history of injury and because of the slow regression. In this case, magnetic resonance imaging was useful in making the diagnosis.

Original languageEnglish
Pages (from-to)245-249
Number of pages5
JournalJapanese Journal of Thoracic Diseases
Issue number2
Publication statusPublished - Apr 28 1997

All Science Journal Classification (ASJC) codes

  • Pulmonary and Respiratory Medicine


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