The results of bone marrow cytomorphologic examination revealed the number of eosinophilic cells increased. 血常规及骨髓检查均示嗜酸性粒细胞增多。
Proliferation of capillaries and invasion of huge amounts of eosinophil granulocytes in the intima if the capsule were observed in the surgical specimen under microscopy. 手术标本光镜下观察，发现包膜内血管增生伴大量嗜酸性粒细胞浸润。
