Huge gastric plexiform fibromyxoma presenting as pyemia by rupture of tumor: A case report

Figure 1 Enhanced computed tomography findings. A: A huge soft tissue mass was found in the patient’s right upper abdomen; B: A portion of the mass showed an inhomogeneous enhancement in the arterial phase; C: A tissue mass with heterogeneous density was found in the hepatogastric space and no free air was detected.

Figure 2 Endoscopic findings. A: An ulceration was observed in the gastric antrum mucosa; B: Deformation of the gastric sinus and duodenal bulb was visualized.

Figure 3 Pathological examinations of the tumor. A: An 11 cm × 7 cm × 5 cm tumor as seen on the serosa of gastro-duodenal junction, with some necrotic rupture and cystic degeneration visible; B: The tumor was composed of spindle cells with clarified cytoplasm, accompanied by myxoid stroma and arborizing blood vessels (hematoxylin/eosin stain, × 200 magnification); C: Immunohistochemistry staining results were positivity for succinate dehydrogenase subunit B (× 200 magnification); D: Immunohistochemistry staining results were negativity for DOG-1 (× 200 magnification); E: Immunohistochemistry staining results were negativity for CD117 (× 200 magnification).

Figure 4 Images from the enhanced computed tomography review. A: Following mass removal, there were no signs of tumor recurrence; B: No abnormality as apparent in the arterial phase.