PMC3235989_01
Chest radiograph showed bilateral alveolar infiltration.
ccrep-4-2011-073f1.jpg
PMC3235989_01_ccrep-4-2011-073f1.jpg
f1-ccrep-4-2011-073
Chest radiograph showed bilateral alveolar infiltration (Fig. 1).
Chest CT scan showed bilateral ground-glass opacities and multiple low attenuation areas.
ccrep-4-2011-073f2.jpg
PMC3235989_01_ccrep-4-2011-073f2.jpg
f2-ccrep-4-2011-073
Chest computed tomography (CT) scan showed bilateral ground-glass opacities and multiple low attenuation areas (Fig. 2).
Histopathological analysis of bloody bronchoalveolar lavage fluid showed hemosiderin-filled macrophages.
ccrep-4-2011-073f3.jpg
PMC3235989_01_ccrep-4-2011-073f3.jpg
f3-ccrep-4-2011-073
BALF showed hemosiderin-filled macrophages (>20% of total alveolar macrophages), thereby confirming alveolar hemorrhage (Fig. 3). Because of the presence of tarry stools, gastrointestinal fiberscopy was conducted, and no abnormalities were found.
Chest CT scan showed bilateral alveolar infiltration resolved.
ccrep-4-2011-073f4.jpg
PMC3235989_01_ccrep-4-2011-073f4.jpg
f4-ccrep-4-2011-073
His symptoms gradually improved, and bilateral alveolar infiltration resolved after about 2 weeks (Fig. 4).