This impaction can lead to atelectasis, or in this case, obstructive pneumonia
, and therefore may be confused with malignancy.
Is it when I have metastatic cancer, or when I get obstructive pneumonia
from the cancer, or when I am septic from the pneumonia?
Other histologic findings variably present included an interstitial pneumonia pattern at the boundary of the nodules, lymphoplasmacytic chronic bronchiolitis with associated stenosis, lymphoid follicles, prominent eosinophilic infiltration, focal areas of obstructive pneumonia, multinucleated giant cells, and focal accumulations of neutrophils.
Foci of organizing pneumonia, obstructive pneumonia, or a bronchiolar intraluminal neutrophilic exudate are sometimes present as nonspecific associated findings.
Symptoms may then present in the form of dyspnea, chest pain, obstructive pneumonia
, cough, reactive airway disease, or respiratory compromise secondary to airway and parenchymal compression.