Pulmonary dirofilariasis: a report of five cases .

概要

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Three patients without symptoms had abnormal shadows on routine chest roentogenograms. Other two had some respiratory symptoms. In four patients, a nodular lesion was seen in the chest film, while one patient had marked eosinophilia and a pyramidal shadow which changed to a mass-like shadow after one week. All patients underwent diagnostic thoracotomy. Histopathological examination showed necrotic granulomatous lesions surrounded by fibrous tissue, and in the embolized pulmonary artery, a transverse section of Dirofilaria immitis was found. Non-invasive diagnostic tests are preferred, since this disease requires no particular treatment. Serological screening for pulmonary dirofilariasis was useful. In all five patients, enzyme-linked immunosorbent assays showed high antibody titers to Dirofilaria immitis.
特定非営利活動法人日本呼吸器外科学会の論文