Cytomorphologic features of sputum samples from marijuana smokers.

  title={Cytomorphologic features of sputum samples from marijuana smokers.},
  author={Tom Roby and G A Hubbard and Gary E. Swan},
  journal={Diagnostic cytopathology},
  volume={7 3},
Histopathologic evidence in recent literature suggests that habitual, heavy marijuana smoking causes changes in the bronchial airways similar to changes seen in older, habitual cigarette smokers. The cytologic effects of marijuana smoking on the bronchial airways were investigated utilizing a quantitative analysis of sputum. Levels of macrophages (pigmented and nonpigmented), neutrophils, mucus, mucous spirals, and columnar and benign metaplastic cells were measured. The presence or absence of… CONTINUE READING