Articles: parasitic-lung-diseases.
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Observational Study
Distinguishing tuberculosis pleural effusion from parasitic pleural effusion using pleural fluid characteristics: A case control study.
Tuberculosis pleural effusion (TPE) and parasitic pleural effusion (PPE) present with similar clinical manifestations. We evaluated the pleural fluid features of TPE and PPE. A total of 76 patients with pleuritis, including 25 patients with TPE and 51 patients with PPE were retrospectively studied. ⋯ The mean level (SD) of ADA was 46.99 ± 22.09 U/L in the TPE group and 39.08 ± 23.03 U/L in the PPE group. No difference was detected between the study groups in terms of the ADA level of the pleural fluid (P > .05). When the results of pleural fluid testing reveal marked eosinophilia and a low proportion of lymphocytes, physicians should consider a diagnosis of PPE, especially for patients who live in or have traveled to endemic areas.
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A man in his 20s presented with 2 months of mild fatigue and intermittent hemoptysis of less than a tablespoon per episode. He was previously healthy and was on no medications. He denied fevers, night sweats, weight loss, wheezing, dyspnea, musculoskeletal symptoms, and rashes. ⋯ He worked as a groundskeeper but had no exposures to animals, mold, or dusts. He reported rare prior cigarette smoking with no history of alcohol or drug use. He was unsure whether he had received the Bacillus Calmette-Guérin vaccine.
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Eosinophilic lung diseases especially comprise eosinophilic pneumonia or as the more transient Löffler syndrome, which is most often due to parasitic infections. The diagnosis of eosinophilic pneumonia is based on characteristic clinical-imaging features and the demonstration of alveolar eosinophilia, defined as at least 25% eosinophils at BAL. ⋯ All possible causes of eosinophilia, including drug, toxin, fungus related etiologies, must be thoroughly investigated. Extrathoracic manifestations should raise the suspicion of eosinophilic granulomatosis with polyangiitis.
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A 38-year-old woman with sustained right chest pain was referred to our hospital. She showed pleural effusion and peripheral blood eosinophilia. Thoracentesis revealed eosinophilic pleural effusion in which the smear, culture and cytological examinations were all negative. ⋯ The diagnosis was confirmed using enzyme-linked immunosorbent assays, which showed elevated Paragonimus westermani and Paragonimus miyazakii antibody levels. After the initiation of praziquantel therapy, all clinical findings were promptly improved. The detection of a migration track may therefore be useful in the diagnosis of paragonimiasis.