Cardiothoracic Imaging
Contents Anatomy Techniques Findings Cases References


Image finding: Lung nodules, visible only on CAT scan


Follow-up radiograph


This 28 year old male with a history of non-seminomatous testicular carcinoma was being followed by routine chest X-rays. The x-ray in this example shows very little evidence of abnormality but the computed tomography scan done simultaneously show multiple nodules and demonstrate the increased sensitivity of that cross-sectional technique for small tissue density nodules in the lungs.

Some of the greater visibility of these nodules on CT are due to that technique's greater range of intensity differentiation of soft-tissue densities, but some of the result is also due to the cross-sectional imaging plane it produces which avoids confusing overlapping structures.

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Copyright 2004, Yale University School of Medicine. All rights reserved.
December 18, 2004 (PL)
version b.003