Figure 4.

Histologic findings of the multiple small nodules. (A) Eosinophilic substances were filled in pulmonary alveolar space; Cells in the nodule were small and moderate (H and E; original magnification ×200). (B) Border of the small nodule with partial calcification was not smooth and extended to neighbor airspaces (H and E; original magnification ×40). (C) The small nodule was located with the bronchiolar and vascular walls (H and E; original magnification ×40). (D) Individual small cells showed positive immunoreactivity for CD31 (original magnification ×400).

Jinghong and Lirong Diagnostic Pathology 2011 6:21   doi:10.1186/1746-1596-6-21
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