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Fig. 2 | Diagnostic Pathology

Fig. 2

From: Clinicopathologic characteristics, diagnostic clues, and prognoses of patients with multiple sporadic gastrointestinal stromal tumors: a case series and review of the literature

Fig. 2

a A CT scan shows (red arrow) that there are two distinct GIST lesions in the stomach (case 8 in Table 1). The histological features and genetic types of the two lesions were different. The tumor cells in the first tumor were epithelioid, with the PDGFRA D842V mutation, while those in the second tumor were spindle shaped, with the KIT L576P mutation. b A CT scan shows (red arrow) two lesions of the same GIST patient (case 21 in Table 1). Although the tumor cells were spindle shaped, the cell density, atypia, mitosis and genetic types of the two lesions were different. c shows no difference in histological features among the three lesions from the same patient (case 24 in Table 1), but the genotypes of the three lesions were not the same

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