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Fig. 2 | Diagnostic Pathology

Fig. 2

From: Pulmonary epithelioid inflammatory myofibroblastic sarcoma with multiple bone metastases: case report and review of literature

Fig. 2

Postoperative micrographs of pulmonary and intraspinal masses. a Pulmonary tumor was non-encapsulated and observed to infiltrating the surrounding lung tissue. b In some areas of pulmonary tumor, the interlacing bundles of spindle cells were found to intermingle with plasma cells and lymphocytes. c The plump polygonal-like myofibroblasts with prominent nucleoli were also observed in myxoid background. d In other areas, the tumor was composed of diffused well-circumscribed polygonal and epithelioid tumor cells with distinct nucleoli. Nuclear atypia and mitotic figures were observed. e Necrosis could be found in epithelioid areas of pulmonary tumor. f The intraspinal tumor was composed of only polygonal and epithelioid tumor cells. a HE staining with original magnification × 100; b-f, HE staining with original magnification × 400)

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