{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,24]],"date-time":"2026-08-24T23:51:29Z","timestamp":1787615489192,"version":"build-2736575974"},"reference-count":11,"publisher":"Scientific Scholar","content-domain":{"domain":["clinicalimagingscience.org"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:p>We present a case of a 69-year-old patient who underwent ascending aortic aneurysm repair with aortic valve replacement. On postsurgical day 12, he developed leukocytosis and low-grade fevers. The chest computed tomography (CT) showed a periaortic hematoma which represents a postsurgical change from aortic aneurysm repair, and a small pericardial effusion. The abdominal ultrasound showed cholelithiasis without any sign of cholecystitis. Finally, a fluorodeoxyglucose (FDG)-positron emission tomography (PET)\/CT examination was ordered to find the cause of fever of unknown origin, and it showed increased FDG uptake in the gallbladder wall, with no uptake in the lumen. FDG-PET\/CT can diagnose acute cholecystitis in patients with nonspecific clinical symptoms and laboratory results.<\/jats:p>","DOI":"10.4103\/2156-7514.188474","type":"journal-article","created":{"date-parts":[[2016,8,16]],"date-time":"2016-08-16T07:17:50Z","timestamp":1471331870000},"page":"31","update-policy":"https:\/\/doi.org\/10.25259\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Acute Calculous Cholecystitis Missed on Computed Tomography and Ultrasound but Diagnosed with Fluorodeoxyglucose-Positron Emission Tomography\/Computed Tomography"],"prefix":"10.25259","volume":"6","author":[{"given":"Carina Mari","family":"Aparici","sequence":"first","affiliation":[{"name":"Department of Radiology, University of California San Francisco, San Francisco, CA 94143, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aung Zaw","family":"Win","sequence":"additional","affiliation":[{"name":"Department of Radiology, San Francisco VA Medical Center, San Francisco, CA 94121, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"10894","published-online":{"date-parts":[[2016,8,16]]},"reference":[{"key":"10.4103\/2156-7514.188474\/ref-1","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1503\/cjs.005915","article-title":"Does ultrasongraphy predict intraoperative findings at cholecystectomy? 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