Radiological distribution of pulmonary emphysema: Clinical and physiological features of patients with emphysema of upper or lower zones of lungs

AUTOR(ES)

Martelli, N. A.

RESUMO

Martelli, N. A., Hutchison, D. C. S., and Barter, C. E. (1974).Thorax, 29, 81-89. Radiological distribution of pulmonary emphysema: clinical and physiological features of patients with emphysema of upper or lower zones of lungs. Pulmonary emphysema exists in two main pathological forms, centrilobular and panlobular (panacinar) emphysema, the lesions predominantly affecting the upper and lower zones of the lungs respectively. There is disagreement among authors as to the clinical and physiological differences between these two forms, and direct evidence of the pathological type is seldom available during life. Patients with emphysema can, however, be divided on radiological criteria into an `upper zone' and a `lower zone' group, and it can be argued that these groups relate respectively to the centrilobular and panlobular forms of the disease. The evidence is far from conclusive but it was thought that a comparison of the two radiological groups would be of value. Patients in whom there was no obvious zonal preponderance were not included in the study.

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