title: [VIPoma in retroperitoneum of elderly, cause of chronic diarrhea in uncommon location].
abstract: Chronic secretory diarrhea is a frequent entity. Causes are multiple, that is why reaching final diagnosis can result in delay with complications that this causes in the general condition of the patient. We present the case of one older adult with chronic diarrhea, mild hypokalemia and metabolic hyperchloremic acidosis secondary to a VIPoma in retroperitoneum which is an unusual location of this type of tumor that was diagnosed by biopsy guided by tomography.
authors.affiliation: Servicio de Endocrinología del Hospital Guillermo Almenara Irigoyen. EsSalud. Lima, Perú.
authors.forename: Gonzalo
authors.initials: G
authors.lastname: Miranda
authors.affiliation: Servicio de Endocrinología del Hospital Guillermo Almenara Irigoyen. EsSalud. Lima, Perú.
authors.forename: Laura
authors.initials: L
authors.lastname: Luna
mesh_terms: D000368:Aged; D001706:Biopsy; D002908:Chronic Disease; D003967:Diarrhea / Q000209:etiology*; D006801:Humans; D008297:Male; D015641:Radiography, Interventional; D012186:Retroperitoneal Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D014057:Tomography, X-Ray Computed; D003969:Vipoma / Q000150:complications / Q000175:diagnosis* / Q000473:pathology