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Figure 2 | Journal of Medical Case Reports

Figure 2

From: Inflammatory myofibroblastic tumor of the temporal bone presenting with pulsatile tinnitus: a case report

Figure 2

Histopathologic findings. Spindle-shaped cells (myofibroblasts and fibroblasts) loosely arranged in an edematous and mucous-degenerated stroma (hematoxylin and eosin A: × 100; B: × 200). Immunohistochemical stain shows a positive reaction of the spindle cells for smooth muscle actin (C: × 200), and negative reaction for activin receptor-like kinase 1 (D: × 200).

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