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Splenic artery aneurysms (SAAs) are an extremely rare cause of asymptomatic massive lower gastrointestinal bleeding with less than a handful of patients surviving such a presentation. A 24-year-old female presented in shock after multiple episodes of massive rectal bleeding. Imaging revealed a heterogeneous mass arising from the tail of the pancreas eroding into the splenic flexure of the colon. Further episodes of bleeding led to an exploratory laparotomy. Intraoperatively, a suspected neoplastic process arising from the tail of the pancreas with contiguous involvement of the splenic flexure of the colon and the greater curvature of the stomach was noted. Distal pancreaticosplenectomy, gastric wedge resection with segmental colectomy and primary anastomosis were performed. Histology revealed a SAA with rupture into the colon. This case report shows that en-bloc resection of a ruptured SAA can be performed with success in the emergency setting.