{"title":"What's the Gut Doing in the Chest? Interpositio Hepatodiaphragmatica (Chilaiditi Sign) Revisited on 18 F-FDG PET/CT.","authors":"Abhay Gondhane, Gaurav Malhotra","doi":"10.1097/RLU.0000000000005653","DOIUrl":null,"url":null,"abstract":"<p><strong>Abstract: </strong>A 47-year-old woman, a diagnosed case of syndrome of inappropriate secretion of antidiuretic hormone, underwent 18 F-FDG PET/CT to detect occult malignancy for suspected paraneoplastic etiology. Abnormal FDG uptake was noted in the right lower chest region, which was correlated on corresponding CT images to be colonic activity interposed between the liver and elevated diaphragm, also known as Chilaiditi sign. Even though rare, Chilaiditi sign should be considered as a differential diagnosis of hypermetabolic activity in the right lower chest region on 18 F-FDG PET/CT scan that is done to look for occult tumor as shown in this case.</p>","PeriodicalId":10692,"journal":{"name":"Clinical Nuclear Medicine","volume":" ","pages":"e250-e252"},"PeriodicalIF":9.6000,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Clinical Nuclear Medicine","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1097/RLU.0000000000005653","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/9 0:00:00","PubModel":"Epub","JCR":"Q1","JCRName":"RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING","Score":null,"Total":0}
引用次数: 0
Abstract
Abstract: A 47-year-old woman, a diagnosed case of syndrome of inappropriate secretion of antidiuretic hormone, underwent 18 F-FDG PET/CT to detect occult malignancy for suspected paraneoplastic etiology. Abnormal FDG uptake was noted in the right lower chest region, which was correlated on corresponding CT images to be colonic activity interposed between the liver and elevated diaphragm, also known as Chilaiditi sign. Even though rare, Chilaiditi sign should be considered as a differential diagnosis of hypermetabolic activity in the right lower chest region on 18 F-FDG PET/CT scan that is done to look for occult tumor as shown in this case.
期刊介绍：
Clinical Nuclear Medicine is a comprehensive and current resource for professionals in the field of nuclear medicine. It caters to both generalists and specialists, offering valuable insights on how to effectively apply nuclear medicine techniques in various clinical scenarios. With a focus on timely dissemination of information, this journal covers the latest developments that impact all aspects of the specialty.
Geared towards practitioners, Clinical Nuclear Medicine is the ultimate practice-oriented publication in the field of nuclear imaging. Its informative articles are complemented by numerous illustrations that demonstrate how physicians can seamlessly integrate the knowledge gained into their everyday practice.
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