Cardiothoracic Imaging
Contents Anatomy Techniques Findings Cases References


Image finding: Soft tissues, female



The breast soft tissues are the major distinction between male and female chest x-rays. The increasing thickness of breast tissue toward the lower lung fields produces an increasing density (whiteness) in the appearance of the lower lung parenchyma.

Occasionally, the nipple of the breast may appear as a soft tissue density mimicking a nodule in the lower lung fields and may require a second x-ray with nipple markers or breasts elevated. The presence of a breast shadow unilaterally with greater translucency (darker) of lung parenchyma in the opposite thorax is an indicator of mastectomy on the side of the greater density.

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