Unmasking the Intrapancreatic Accessory Spleen

Abstract

Despite the availability of various diagnostic studies including CT, MRI, nuclear medicine images, and endoscopic ultrasound, the differentiation of Intrapancreatic Accessory Spleen (IPAS) from pancreatic neuroendocrine tumor remains challenging. We present the case of a 40-year-old male with an incidentally found intrapancreatic lesion with indeterminate imaging diagnosis. A CT demonstrated accessory spleens at the splenic hilum. Laparoscopic distal pancreatectomy with splenectomy was performed. Pathology resulted with benign IPAS. Despite indeterminate imaging, a high suspicion for IPAS should be maintained in patients with other accessory spleens.