TAILIEUCHUNG - Coexisting Bronchogenic Carcinoma and Pulmonary Tuberculosis in the Same Lobe: Radiologic Findings and Clinical Significance

Bronchogenic carcinoma can mimic or be masked by pulmonary tuberculosis (TB), and the aim of this study was to describe the radiologic findings and clinical significance of bronchogenic carcinoma and pulmonary TB which coexist in the same lobe. Materials and Methods: The findings of 51 patients (48 males and three females, aged 48-79 years) in whom pulmonary TB and bronchogenic carcinoma coexisted in the same lobe were analyzed. The morphologic characteristics of a tumor, such as its diameter and margin, the presence of calcification or cavitation, and mediastinal lymphadenopathy, as seen at CT, were retrospectively assessed, and the clinical stage of the lung cancer was also determined. Using the serial. | Coexisting Bronchogenic Carcinoma and Pulmonary Tuberculosis in the Same Lobe Radiologic Findings and Clinical Significance Young 11 Kim MD1 Jin Mo Goo MD1 Hyae Young Kim MD2 Jae Woo Song MD3 Jung-Gi Im MD1 Index terms Lung neoplasms Lung neoplasms CT Tuberculosis pulmonary Korean J Radiol 2001 2 138-144 Received February 17 2001 accepted after revision June 14 2001. Department of Radiology Seoul National University College of Medicine and the Institute of Radiation Medicine SNUMRC Department of 2Radiology Ilsan National Cancer Center Department of 3Radiology Seoul Municipal Boramae Hospital Address reprint requests to Jin Mo Goo MD Department of Radiology Seoul National University Hospital 28 Yongon-dong Chongno-gu Seoul 110-744 Korea. Telephone 822 760-2584 Fax 822 743-6385 e-mail jmgoo@ Objective Bronchogenic carcinoma can mimic or be masked by pulmonary tuberculosis TB and the aim of this study was to describe the radiologic findings and clinical significance of bronchogenic carcinoma and pulmonary TB which coexist in the same lobe. Materials and Methods The findings of 51 patients 48 males and three females aged 48-79 years in whom pulmonary TB and bronchogenic carcinoma coexisted in the same lobe were analyzed. The morphologic characteristics of a tumor such as its diameter and margin the presence of calcification or cavitation and mediastinal lymphadenopathy as seen at CT were retrospectively assessed and the clinical stage of the lung cancer was also determined. Using the serial chest radiographs available for 21 patients the possible causes of delay in the diagnosis of lung cancer were analyzed. Results Lung cancers with coexisting pulmonary TB were located predominantly in the upper lobes . The mean diameter of the mass was cm and most tumors n 42 had a lobulated border. Calcification within the tumor was seen in 20 patients and cavitation in five . Forty-two had mediastinal lymphadenopathy and more than half the

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