Noncontrast chest CT lung window images in a 61-year-old female participant. (IMAGE)

Radiological Society of North America

Noncontrast chest CT lung window images in a 61-year-old female participant.

Caption

Axial noncontrast chest CT lung window images in a 61-year-old female participant. (A) Normal-dose CT, (B) ultra-low-dose CT (ULDCT), and (C) denoised ULDCT show focal ground-glass opacity (yellow arrow). Ground-glass opacity was correctly identified with both normal- dose CT and denoised ULDCT, but it was missed by both readers at ULDCT due to decreased signal-to-noise ratio.

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Radiological Society of North America (RSNA)

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