A queryable electronic atlas was developed to quantitatively characterize the normal human
lung airway tree and to provide a better understanding of the lung for diagnosing diseases and
evaluating treatments. The atlas consists of airway measurements taken from CT images using
the Pulmonary Workstation II (PW2) software package. These measurements include airway
cross-sectional area at midpoint between branch points; maximum and minimum diameter of
a particular airway cross section at segment midpoint; average, maximum, and minimum wall
thickness per branch; and wall thickness uniformity within a branch. The atlas provides user
friendly interfaces for interrogating population statistics, comparing populations, comparing
individuals to populations, and comparing individuals to other individuals. Populations can be
selected based on age, gender, race, ethnicity, and normalcy/disease.
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