{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T02:00:40Z","timestamp":1790301640847,"version":"4.1.0"},"reference-count":8,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Respirology Case Reports"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Differentiating tuberculous (TB) pleurisy from malignant pleural mesothelioma is challenging due to similar clinical presentations. We report an 83\u2010year\u2010old man with sarcomatoid mesothelioma initially treated for TB pleurisy. He presented with lymphocyte\u2010predominant exudative pleural effusion and a positive Interferon\u2010Gamma Release Assay. Thoracoscopy revealed purulent effusion, but biopsies were non\u2010diagnostic. Despite empiric anti\u2010tuberculosis therapy, the effusion persisted. A subsequent surgical biopsy showed fibrosis and scattered spindle cells. However, 2 months later, a rapidly growing chest wall mass with bone invasion appeared. A CT\u2010guided percutaneous biopsy showed proliferation of atypical spindle cells and fluorescence in\u00a0situ hybridization (FISH) analysis allowed for the diagnosis of sarcomatoid mesothelioma. This case highlights the aggressive nature of sarcomatoid mesothelioma and its diagnostic difficulty. For treatment\u2010refractory pleurisy, clinicians must maintain high suspicion, ensuring vigilant follow\u2010up and prompt repeat biopsies despite negative initial results, while consulting pathologists to consider additional FISH testing.<\/jats:p>","DOI":"10.1002\/rcr2.70734","type":"journal-article","created":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T08:35:13Z","timestamp":1788251713000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Sarcomatoid Mesothelioma Revealed After Treatment for Tuberculous Pleurisy: A Case Report"],"prefix":"10.1002","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-5366-6947","authenticated-orcid":false,"given":"Daiki","family":"Nagayama","sequence":"first","affiliation":[{"name":"Department of Respiratory Medicine Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-8576-4750","authenticated-orcid":false,"given":"Keiki","family":"Yokoo","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yousuke","family":"Yabushita","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-5637-5199","authenticated-orcid":false,"given":"Motoki","family":"Sekikawa","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaru","family":"Abe","sequence":"additional","affiliation":[{"name":"Department of Thoracic Surgery Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroaki","family":"Kato","sequence":"additional","affiliation":[{"name":"Department of Thoracic Surgery Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ayumi","family":"Takayanagi","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Radiology Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bunya","family":"Takahashi","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Radiology Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marie","family":"Kato\u2010Shinomiya","sequence":"additional","affiliation":[{"name":"Department of Pathology Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Satoshi","family":"Ota","sequence":"additional","affiliation":[{"name":"Department of Pathology Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gen","family":"Yamada","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine Teine Keijinkai Hospital  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0865-0820","authenticated-orcid":false,"given":"Kenzo","family":"Hiroshima","sequence":"additional","affiliation":[{"name":"Department of Pathology Tokyo Women's Medical University Yachiyo Medical Center  Chiba Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirofumi","family":"Chiba","sequence":"additional","affiliation":[{"name":"Department of Respiratory Medicine and Allergology Sapporo Medical University School of Medicine  Sapporo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,1]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1378\/chest.06-2063"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.21037\/tlcr.2020.03.38"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12885-016-2745-8"},{"issue":"1","key":"e_1_2_10_5_1","article-title":"Malignant Pleural Mesothelioma Can Be an Unexpected Finding in Patients With Non\u2010Specific Pleuritis","volume":"9","author":"Metintas M.","year":"2022","journal-title":"BMJ Open Respiratory Research"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejcts.2010.01.057"},{"issue":"8","key":"e_1_2_10_7_1","first-page":"1177","article-title":"Nonspecific Pleuritis: Optimal Duration of Follow\u2010Up","volume":"106","author":"DePew Z. 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