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What is a typical WL and WW of a lung window?

a. WL +50 / WW 350
b. WL +80 / WW 250
c. WL -500 / WW 1600
d. WL + 500 / WW 2000

1 Answer

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Final answer:

The typical window level (WL) and window width (WW) for a lung window in CT imaging is WL -500 and WW 1600. These settings allow for better visualization of lung tissue by enhancing the contrast and detail of the pulmonary structures.

Step-by-step explanation:

A typical window level (WL) and window width (WW) setting for a lung window in computed tomography (CT) imaging is WL -500 and WW 1600. These settings are optimized to visualize the lung parenchyma, allowing the radiologist or medical professional to assess lung tissue with better contrast and detail. The WL (window level) is the midpoint of the range of Hounsfield units displayed, and the WW (window width) is the range of Hounsfield units that will be mapped to the available grayscale. The combination of WL -500 and WW 1600 is specifically chosen to highlight the differences in density within the lung, enhancing the visibility of the pulmonary structures against the air-filled spaces.

User Giorgos Sfikas
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