PMC4904551_01
PA chest X-ray.
CRJ2016-4938632.001.jpg
PMC4904551_01_CRJ2016-4938632.001.jpg
fig1
This showed a marked, diffuse reticulonodular pattern of parenchymal opacity bilaterally (Figure 1), incongruous with her clinical appearance.
CT. (a) Axial CT image. (b) Sagittal CT image. (c) Coronal CT image.
CRJ2016-4938632.002.jpg
PMC4904551_01_CRJ2016-4938632.002.jpg
fig2
Her chest CT showed diffuse interstitial lung disease, essentially characterized by interstitial lobular septal thickening (Figures 2(a), 2(b), and 2(c)).
Histopathology. (a) Hematoxylin and eosin stain (x10). (b) Trichrome stain (x20).
CRJ2016-4938632.003.jpg
PMC4904551_01_CRJ2016-4938632.003.jpg
fig3
Pathology demonstrated presence of calcium concretions within the alveolar spaces, with blue discoloration at the edges and an eosinophilic centre on hematoxylin and eosin (H&E) stain; some structures had a concentric lamellar arrangement on trichrome staining (Figures 3(a) and 3(b)).