Revision 11 for 'Chest radiograph zones'

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Chest radiograph zones

The chest radiograph zones are useful when describing the location of pathology on a frontal chest radiograph.

The chest radiograph is a 2D representation of a 3D structure. Since the interfaces between the lobes are oriented obliquely, it is often not possible to determine which lobe pathology is located in or whether it is located anteriorly or posteriorly. Hence, describing the location of pathology using the four-zone technique is helpful:

It is recommended to use the zones loosely while reporting as the distinctions are arbitrary and do not correspond to anatomic structures 1.

See also

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