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Pulmonary Tuberculosis: Another Disease Showing Clusters of Small Nodules

Jeong-Nam Heo1, Yo Won Choi, Seok Chol Jeon and Choong Ki Park

1 All authors: Department of Diagnostic Radiology, Hanyang University Hospital, 17 Haengdang-Dong, Sungdong-Gu, Seoul 133–792, South Korea.



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  		Fig. 1A. —Asymptomatic 66-year-old man with tuberculosis in whom lung lesions were incidentally detected at chest radiography. Posteroanterior chest radiograph shows two ill-defined lung nodules (arrows) in both upper lung zones.

 


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  		Fig. 1B. —Asymptomatic 66-year-old man with tuberculosis in whom lung lesions were incidentally detected at chest radiography. Thin-section CT scans at mediastinal (B) and lung (C) window settings obtained at level of aortic arch show irregular nodule in left upper lobe that is composed of numerous small nodules. Note internal calcification (arrow, B) and air bronchograms (arrowheads, C).

 


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  		Fig. 1C. —Asymptomatic 66-year-old man with tuberculosis in whom lung lesions were incidentally detected at chest radiography. Thin-section CT scans at mediastinal (B) and lung (C) window settings obtained at level of aortic arch show irregular nodule in left upper lobe that is composed of numerous small nodules. Note internal calcification (arrow, B) and air bronchograms (arrowheads, C).

 


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  		Fig. 1D. —Asymptomatic 66-year-old man with tuberculosis in whom lung lesions were incidentally detected at chest radiography. Thin-section CT scan a little lower than B and C shows another cluster of small nodules in right upper lobe. Periphery of cluster seen in B and C is also noted in left upper lobe. No lymphadenopathy or tree-in-bud lesion was seen in this patient.

 


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  		Fig. 2A. —Asymptomatic 35-year-old woman with tuberculosis. Chest radiograph shows single small lung nodule (arrow) in left upper lobe.

 


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  		Fig. 2B. —Asymptomatic 35-year-old woman with tuberculosis. Thin-section CT scan just above aortic arch shows cluster of small nodules and adjacent bronchial wall thickening (arrow) in left upper lobe. No lymphadenopathy or tree-in-bud lesion was seen in this patient.

 

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