Enlarged accessory spleen presenting stomach submucosal tumor

Figure 1 Gastroscopy showing submucosal tumor at the posterior wall of the upper corpus.

Figure 2 Endoscopic ultrasono-graphy showing extragastric mass with homogenous echogenecity with central vessels.

Figure 3 An abdominal contrast-enhanced CT. A: A well-marginated ovoid mass, approximately 6 cm in diameter; B: Supplied by a vascular branch arising from the splenic artery. There are renal cysts.

Figure 4 ^99mTech-netium sulfur colloid scintigraphy confirms the mass to be splenic tissues.