Sunitinib-induced hyperammonemic encephalopathy in metastatic gastrointestinal stromal tumors: A case report

Figure 1 Computed tomography of the abdomen and pelvis with contrast images. A: Computed tomography (CT) image of the abdomen and pelvis with contrast. Axial section shows situs inversus and increased liver metastases (orange arrows); B: CT image of the abdomen and pelvis with contrast. Coronal section shows no portal vein obstruction (orange arrows) or significant portosystemic shunt.

Figure 2 Histopathology of the surgically resected small intestine mass. A: A large number of spindle cells were observed, hematoxylin and eosin staining; B: The tumor was positive for CD117 (C-kit), immunohistochemical staining; C: The tumor was negative for CD34, immunohistochemical staining; D: The tumor was positive for DOG1 staining of tumor tissues, immunohistochemical staining. (All images presented in 40× magnification).