{"title":"A Case of Nontuberculous Mycobacterial Pulmonary Disease Complicating Massive Pulmonary Embolism.","authors":"Yasuyuki Hayashi, Akihiko Sokai, Toshiyuki Iwata, Yuki Sakai, Naoaki Yasuda, Takashi Nishimura","doi":"10.1002/rcr2.70292","DOIUrl":null,"url":null,"abstract":"<p><p>A 39-year-old man presented with fever and dyspnoea for 1 week. Imaging suggested bacterial pneumonia with infiltrates in the right lung. However, the symptoms persisted despite antibiotics. Bronchoscopy revealed coagulation necrosis, and enhanced computed tomography identified a large thrombus in the right pulmonary artery, leading to a diagnosis of pulmonary infarction. The patient was treated with direct oral anticoagulants. Two years later, new nodular lesions with cavities were observed in the upper lobe of the right lung. Bronchoscopy revealed a <i>Mycobacterium avium</i> infection. We hypothesise that nontuberculous mycobacterial (NTM) pulmonary disease may complicate chronic pulmonary embolism.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 7","pages":"e70292"},"PeriodicalIF":0.8000,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12289390/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Respirology Case Reports","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/rcr2.70292","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/7/1 0:00:00","PubModel":"eCollection","JCR":"Q4","JCRName":"RESPIRATORY SYSTEM","Score":null,"Total":0}
引用次数: 0
Abstract
A 39-year-old man presented with fever and dyspnoea for 1 week. Imaging suggested bacterial pneumonia with infiltrates in the right lung. However, the symptoms persisted despite antibiotics. Bronchoscopy revealed coagulation necrosis, and enhanced computed tomography identified a large thrombus in the right pulmonary artery, leading to a diagnosis of pulmonary infarction. The patient was treated with direct oral anticoagulants. Two years later, new nodular lesions with cavities were observed in the upper lobe of the right lung. Bronchoscopy revealed a Mycobacterium avium infection. We hypothesise that nontuberculous mycobacterial (NTM) pulmonary disease may complicate chronic pulmonary embolism.
期刊介绍：
Respirology Case Reports is an open-access online journal dedicated to the publication of original clinical case reports, case series, clinical images and clinical videos in all fields of respiratory medicine. The Journal encourages the international exchange between clinicians and researchers of experiences in diagnosing and treating uncommon diseases or diseases with unusual presentations. All manuscripts are peer-reviewed through a streamlined process that aims at providing a rapid turnaround time from submission to publication.
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