{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T10:29:24Z","timestamp":1765794564174,"version":"3.48.0"},"reference-count":8,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T00:00:00Z","timestamp":1765756800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diagnostics"],"abstract":"<jats:p>A 50-year-old woman presented a rapidly proliferative cystic lesion in the left pelvis as displayed by sonography. Exploratory laparoscopy with omental biopsy suggested pseudomyxoma peritonei (PMP). An 18F-FDG PET\/CT revealed scalloping of the liver surface with an associated extrahepatic lesion exhibiting moderate FDG avidity and strand-like FDG uptake within a left-sided septated ovarian cyst. The diagnosis of low-grade appendiceal mucinous neoplasms was proven after cytoreductive surgery. This case provided important imaging features on 18F-FDG PET\/CT that directed the pre-operative diagnosis and the initiation of treatment.<\/jats:p>","DOI":"10.3390\/diagnostics15243198","type":"journal-article","created":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T10:11:23Z","timestamp":1765793483000},"page":"3198","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["FDG PET\/CT and Histopathologic Characteristics of Low-Grade Appendiceal Mucinous Neoplasm with Pseudomyxoma Peritonei"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-7935-7590","authenticated-orcid":false,"given":"Li-Wei","family":"Liu","sequence":"first","affiliation":[{"name":"Department of Nuclear Medicine, Kaohsiung Veterans General Hospital, Kaohsiung City 813, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9741-5824","authenticated-orcid":false,"given":"Hung-Pin","family":"Chan","sequence":"additional","affiliation":[{"name":"Department of Nuclear Medicine, Kaohsiung Veterans General Hospital, Kaohsiung City 813, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel Hueng-Yuan","family":"Shen","sequence":"additional","affiliation":[{"name":"Department of Nuclear Medicine, Kaohsiung Veterans General Hospital, Kaohsiung City 813, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chang-Chung","family":"Lin","sequence":"additional","affiliation":[{"name":"Department of Nuclear Medicine, Kaohsiung Veterans General Hospital, Kaohsiung City 813, Taiwan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,12,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2913","DOI":"10.1007\/s00261-018-1561-9","article-title":"Mucinous appendiceal neoplasms: Pathologic classification, clinical implications, imaging spectrum and mimics","volume":"43","author":"Williams","year":"2018","journal-title":"Abdom. Radiol."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"196","DOI":"10.1016\/j.ejso.2007.04.002","article-title":"Appendiceal neoplasms and pseudomyxoma peritonei: A population based study","volume":"34","author":"Smeenk","year":"2008","journal-title":"Eur. J. Surg. Oncol. (EJSO)"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"2226","DOI":"10.1016\/j.ejso.2022.06.013","article-title":"Prevalence and incidence of pseudomyxoma peritonei in urban China: A nationwide retrospective cohort study","volume":"48","author":"Feng","year":"2022","journal-title":"Eur. J. Surg. Oncol."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"e27","DOI":"10.1097\/PAS.0000000000001662","article-title":"The Frontiers of Appendiceal Controversies: Mucinous Neoplasms and Pseudomyxoma Peritonei","volume":"46","author":"Hissong","year":"2022","journal-title":"Am. J. Surg. Pathol."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"44","DOI":"10.4251\/wjgo.v2.i1.44","article-title":"Pseudomyxoma peritonei","volume":"2","author":"Bevan","year":"2010","journal-title":"WJGO"},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"1107","DOI":"10.1634\/theoncologist.2017-0081","article-title":"Appendiceal Mucinous Neoplasms: Diagnosis and Management","volume":"22","author":"Shaib","year":"2017","journal-title":"Oncologist"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"608","DOI":"10.1053\/crad.2002.0942","article-title":"CT in pseudomyxoma peritonei: A review of 17 cases","volume":"57","author":"Sulkin","year":"2002","journal-title":"Clin. Radiol."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"1606","DOI":"10.1016\/j.ejso.2022.02.003","article-title":"Diagnostic performance of positron emission tomography in the staging of pseudomyxoma peritonei","volume":"48","author":"Flood","year":"2022","journal-title":"Eur. J. Surg. 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