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Two cases of intrapulmonary lymph node presenting as a peripheral nodular shadow: diagnostic differentiation from
N Fujimoto1, Y Segewa, N Takigawa
1Department of Internal Medicine, National Shikoku Cancer Center Hospital, Matsuyama, Japan. nfujimot@shikoku-cc.go.jp
Abstract:
We present two cases of intrapulmonary lymph node. The patients were a 44-year-old woman and a 71-year-old man each with a small peripheral nodule in the lung. On computed tomography (CT) scans, both nodules were spiculated. Since histological diagnosis could not be obtained by bronchoscopic examination or CT-guided needle biopsy, they underwent video-assisted thoracoscopic surgery. Histological examination of the resected material revealed that both nodules were composed of lymph node. Intrapulmonary lymph node has until recently been assigned no clinical significance; however, differential diagnosis of this lesion from lung cancers and other metastatic tumors is now clinically important.