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  • Title: [Two cases of intrapulmonary lymph node associated with either progressive systemic sclerosis or idiopathic pulmonary fibrosis].
    Author: Yoshitomi A, Sato A, Toyoshima M, Suganuma H, Imokawa S, Tamura R, Suda T, Yagi T, Hayakawa H, Chida K.
    Journal: Nihon Kyobu Shikkan Gakkai Zasshi; 1995 Sep; 33(9):1003-8. PubMed ID: 8538080.
    Abstract:
    We encountered 2 cases of intrapulmonary lymph node. Case 1 was in a 48-year-old woman who had been given a diagnosis of progressive systemic sclerosis. Case 2 was in a 49-year-old woman with idiopathic pulmonary fibrosis. In each patient, a follow-up chest CT scan showed a pulmonary nodule, which could not be seen on chest X-ray film. Each nodule has an irregular margin and a linear shadow resembling pleural indentation. Histological examination of the open biopsy specimens revealed that these nodules were intrapulmonary lymph nodes surrounded by interstitial pneumonia. Previous case reports and these 2 cases indicate that unless a thoracotomy is done intrapulmonary lymph nodes are difficult to distinguish from lung cancers.
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