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Fig. 4 | Diagnostic Pathology

Fig. 4

From: Coexistence of gastrointestinal stromal tumor and inflammatory myofibroblastic tumor of the stomach presenting as a collision tumor: first case report and literature review

Fig. 4

Histologic findings of inflammatory myofibroblastic tumor (IMT) area. a Myofibroblastic spindle cells are arranged in a fascicular pattern with prominent chronic inflammatory cells infiltrate (H&E stain, x40). b Spindle-shaped cells are admixed with lymphocytes and plasma cells infiltrate (H&E stain, x100). c The tumor cells have plump vesicular nuclei and eosinophilic cytoplasm. Collagenous stroma and scattered chronic inflammatory cells are present (H&E stain, x200). d The tumor cells are negative for ALK (Immunohistochemical stain, x200)

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Diagnostic Pathology

ISSN: 1746-1596

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