A Case of Intra-pulmonary Lymph Nodes Presenting as Multiple Small Nodular Lesions in Both Lungs.

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  • 両側多発小結節陰影を呈した肺内リンパ節の1例

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Abstract

A 59-year-old man came to our hospital for further examination of multiple small nodular lesions is both lungs. Chest CT scan revealed multiple nodular lesions in rt-S5, rt-S6, It-S5, and It-S9 (two lesions) All of these nodules measured about 10mm or less and those in It-S9 had spicula. Bronchoscopic examination did not yield a definitive diagnosis, so open lung biopsy was done. The open lung biopsy specimen revealed intra-pulmonary lymph nodes with anthracosis and pulmonary emphysema. Intra-pulmonary lymph nodes are very difficult to distinguish from small lung tumors by radiographic examination alone, so the possibility that small nodules in the lungs may be intra-pulmonary lymph nodes should be kept in mind.

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