A disseminated variant of pancreatic serous cystadenoma causing obstructive jaundice, a very rare entity: a case report and review of the literature.

Background: Microcystic adenoma or serous cystadenoma (SCA) is an uncommon tumor type, accounting for only 1-2% of pancreatic exocrine neoplasms. Usually unifocal, SCAs present as single, large, well-demarcated, multiloculated, cystic tumors, 1-25 cm in size.

Case Presentation: A 73-year-old man initially presented with epigastric abdominal pain and was diagnosed with SCA involving the whole pancreas.

Malignant extra-adrenal pancreatic paraganglioma: case report and literature review.

Background: Pancreatic paragangliomas are rare tumors, with only 16 reported cases to date. One of these cases demonstrates metastasis to lymph node, while another case was functional, however, none of these cases showed malignant and large, pancreatic paraganglioma with marked invasion. Also another unique feature was the age of our patient compared to the average reported ages in published literature (42-85 years).