HPB Surgery

HPB Surgery / 2011 / Article / Fig 1

Case Report

A Malignant Gastrointestinal Stromal Tumor of the Gallbladder Immunoreactive for PDGFRA and Negative for CD 117 Antigen (c-KIT)

Figure 1

(a) Spindle shaped tumor cells arranged in a short fascicle pattern (HE staining ×200). (b) Tumor cells are diffusely immune-positive for PDGFRA (×200).

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