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  • Title: [Video-assisted thoracic surgical (VATS) biopsy as a technique for differential diagnosis of indeterminate small pulmonary nodules].
    Author: Yamamoto H, Ohtsuka T, Imura Y, Fujita A, Suzuki A.
    Journal: Kekkaku; 1996 May; 71(5):339-44. PubMed ID: 8676591.
    Abstract:
    The authors experienced two cases of multiple pulmonary tuberculomas, which were suspected of metastatic lung tumors. First patient was a 63-years-old male, who was found to have multiple pulmonary nodular shadows on his check up chest X-ray film, suspected of pulmonary metastases of rectal cancer. VATS biopsy, performed for one of nodules revealed that it was caseating granuloma, suggestive of pulmonary tuberculosis. Second patient was a 55-years-old female with rheumatoid arthritis and a chest X-ray film showed multiple pulmonary nodules, which were thought to be metastatic lung tumor from unknown origin. VATS biopsy for a subpleural nodule showed epitheloid granuloma with caseous necrosis of lung, indicating pulmonary tuberculosis. VATS biopsy is, therefore, an useful technique for differential diagnosis of small pulmonary nodules of unknown origin.
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