{"title":"Sarcomatoid pleural mesothelioma evaluated using diffusion-weighted whole-body imaging with background body signal suppression","authors":"Ryosuke Kinoshita , Norihisa Takeda , Hiroko Kiyotoshi , Masahiro Sugihara , Mamiko Kuriyama , Makoto Nakao , Takuji Tsuyuki , Hideki Muramatsu","doi":"10.1016/j.resinv.2025.02.013","DOIUrl":null,"url":null,"abstract":"<div><div>An 83-year-old man with a history of asbestos exposure presented with dyspnea. Thoracic computed tomography showed right-sided pleural effusion and heterogeneous pleural thickening with calcified plaques. Thoracentesis revealed exudative fluid, and the cytology results were negative for malignancy. He didn't want to undergo invasive biopsy for pathological diagnosis. Diffusion-weighted whole-body imaging with background body signal suppression (DWIBS) detected signal enhancement in the pleural thickening, ruling out metastasis. The patient died after one month, and sarcomatoid pleural mesothelioma was confirmed by autopsy. DWIBS is free of radioactive materials and can be used to evaluate lesion spread and metastases in hospitals equipped with magnetic resonance imaging.</div></div>","PeriodicalId":20934,"journal":{"name":"Respiratory investigation","volume":"63 3","pages":"Pages 323-325"},"PeriodicalIF":2.4000,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Respiratory investigation","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2212534525000243","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"RESPIRATORY SYSTEM","Score":null,"Total":0}
引用次数: 0
Abstract
An 83-year-old man with a history of asbestos exposure presented with dyspnea. Thoracic computed tomography showed right-sided pleural effusion and heterogeneous pleural thickening with calcified plaques. Thoracentesis revealed exudative fluid, and the cytology results were negative for malignancy. He didn't want to undergo invasive biopsy for pathological diagnosis. Diffusion-weighted whole-body imaging with background body signal suppression (DWIBS) detected signal enhancement in the pleural thickening, ruling out metastasis. The patient died after one month, and sarcomatoid pleural mesothelioma was confirmed by autopsy. DWIBS is free of radioactive materials and can be used to evaluate lesion spread and metastases in hospitals equipped with magnetic resonance imaging.
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