{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T08:28:27Z","timestamp":1787646507310,"version":"build-2736575974"},"reference-count":19,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2025,1,12]],"date-time":"2025-01-12T00:00:00Z","timestamp":1736640000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Int J Surg Pathol"],"published-print":{"date-parts":[[2025,8]]},"abstract":"<jats:p>The persistence of fetal vitelline structures may occur. The primary intestinal arterial supply development happens normally in this scenario, but a vitelline vascular remnant (VVR) persists. A 13-year-old boy with a history of severe and intermittent abdominal pain since early infancy presented to the Emergency Department with clinical, analytical, and ultrasonographic findings suggestive of acute appendicitis. There was no evidence of intestinal obstruction. Surgical treatment was indicated. A thick fibrovascular band from the umbilicus to the terminal ileum's mesentery was identified during laparoscopy. A gangrenous cecal appendix was also identified. A regular appendectomy and surgical excision of the band was performed. The histopathological study confirmed that it was a persistent right vitelline artery (VVR) and that the patient had acute gangrenous appendicitis. The patient evolved favorably and is currently asymptomatic and under follow-up. The literature on VVR is scarce. The present manuscript reviews the main characteristics of this embryological insult based on the preceding literature. Standardization of terminology regarding VVR will help better understand this pathology in the future.<\/jats:p>","DOI":"10.1177\/10668969241300964","type":"journal-article","created":{"date-parts":[[2025,1,13]],"date-time":"2025-01-13T02:42:06Z","timestamp":1736736126000},"page":"1246-1250","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Incidental Finding of a Persistent Right Vitelline Artery in a 13-Year-Old Boy with Acute Appendicitis: A Case Report with Clinico-Pathological Correlation and a Comprehensive Literature Review"],"prefix":"10.1177","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0943-6367","authenticated-orcid":false,"given":"Javier","family":"Arredondo Montero","sequence":"first","affiliation":[{"name":"Complejo Asistencial Universitario de Le\u00f3n"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel","family":"S\u00e1ez \u00c1lvarez","sequence":"additional","affiliation":[{"name":"Complejo Asistencial Universitario de Le\u00f3n"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda","family":"Rodr\u00edguez Ruiz","sequence":"additional","affiliation":[{"name":"Complejo Asistencial Universitario de Le\u00f3n"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mercedes","family":"Hernando Mart\u00edn","sequence":"additional","affiliation":[{"name":"Complejo Asistencial Universitario de Le\u00f3n"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2025,1,12]]},"reference":[{"key":"e_1_3_2_2_2","volume-title":"The Developing Human. 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