A rare case of human pulmonary dirofilariasis with a growing pulmonary nodule after migrating infiltration shadows,mimicking primary lung carcinoma |
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Institution: | 1. Department of Thoracic Surgery, Nakatsu Municipal Hospital, Japan;2. Department of Thoracic Surgery, Kitakyushu Municipal Medical Center, Japan;3. Department of Diagnostic Pathology, Kitakyushu Municipal Medical Center, Japan |
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Abstract: | IntroductionPulmonary dirofilariasis is a rare pulmonary parasitic infection by the nematode Dirofilaria immitis. It is characterized by an asymptomatic pulmonary nodule usually seen on chest X-ray. The differential diagnosis of pulmonary dirofilariasis includes other pulmonary diseases, primary lung carcinoma and metastatic lung tumor.Case presentationPulmonary dirofilariasis was diagnosed in a woman who presented with interstitial pneumonia. Growth of the pulmonary nodule was detected subsequent to hemoptysis. The histological diagnosis was made based on a wedge resection performed under video-associated thoracic surgery (VATS).ConclusionPulmonary dirofilariasis often varies in its clinical course. The diagnosis is best made using wedge resection under VATS. |
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Keywords: | Pulmonary dirofilariasis Primary lung carcinoma Interstitial pneumonia |
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