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Title: Tuberculous pleurisy mimicking Mycoplasma pneumoniae infection in a previously healthy young adult: A case report. Author: Yaguchi D, Ichikawa M, Shizu M, Inoue N, Kobayashi D, Imai N, Ito M. Journal: Medicine (Baltimore); 2018 May; 97(20):e10811. PubMed ID: 29768381. Abstract: RATONALE: Sometimes, pleural effusion accompanying an acute Mycoplasma pneumoniae infection or tuberculous pleurisy has similar analysis results. We report a case of tuberculous pleurisy which was initially diagnosed as acute M pneumoniae infection, which is of special interest because anti-Mycoplasma antibody results were positive, which served as a red herring. PATIENT CONCERNS: A 20-year-old woman visited the outpatient emergency romm of our hospital for chief complaints of high fever, dry cough, and pleuralgia persiting for 2 days. Since anti-mycoplasma antibody test results were positive, we treated acute M pneumoniae infection and drained her pleural effusion. The condition tended to improve, but on day 16 postadmission, the acid-fast bacterial culture of the pleural effusion was positive for Mycobacterium tuberculosis. DIAGNOSES: Tuberculous pleurisy. INTERVENTIONS: After the diagnosis, the patient received antituberculous drugs. OUTCOMES: She completed treatment with no noticeable adverse events, and the right pleural effusion disappered and diffuse right pleural thickening improved. LESSONS: Exudative pleural effusion with lymphocyte dominance and a high adenosine deaminase level in M pneumoniae infection have been reported. Even though the condition suggests acute M pneumoniae infection, clinicians should be aware that tuberculous pleurisy and M pneumoniae infection can share similar clinical features, and should understand the usefulness and limitations of the anit-Mycoplasma antibody test.[Abstract] [Full Text] [Related] [New Search]