Hemophilia B

Hemophilia B is a form of hemophilia (see this term) characterized by spontaneous or prolonged hemorrhages due to factor IX deficiency.

Hemoptysis

Coughing up (expectoration) of blood or blood-streaked sputum from the larynx, trachea, bronchi, or lungs.


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PMID (PMCID)
10911383
 MALE
Pulmonary hemorrhage in a hemophiliac simulating a lung neoplasm.
O'Dwyer ME, DeLoughery TG.
Am J Hematol. 2000;64(4):299-302.
We report an elderly, male smoker with moderate hemophilia B who presented with hemoptysis.