Figure 4From: An inflammatory myofibroblastic tumor exhibiting immunoreactivity to KIT: a case report focusing on a diagnostic pitfallHistological findings. (A) H & E staining. (B) KIT staining using a rabbit polyclonal antibody purchased from DAKO. (C) ALK staining using a monoclonal antibody purchased from Nichirei. (D) FISH analysis using the Vysis ALK Break Apart FISH Probe kit. White arrowheads indicate signals positive for ALK gene rearrangements. All photographs were obtained at 200× magnification.Back to article page