Correct Answer - D Answer-D Pneumatocele formation occurs as | Surgery videos & books

Correct Answer - D
Answer-D
Pneumatocele formation occurs as a sequela to acute pneumonia,
commonly caused by Staphylococcus aureus. However,
pneumatocele formation also occurs with other agents, including
Streptococcus pneumoniae, Haemophilus influenzae, Escherichia coli, group A streptococci, Serratia marcescens, Klebsiella
pneumonia, adenovirus, and tuberculosis.


Noninfectious etiologies include hydrocarbon ingestion, trauma, and
positive pressure ventilation.
In premature infants with

respiratory distress syndrome,
pneumatoceles result mostly from ventilator-induced lung injury.

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