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Fig. 3C. —Two protective maneuvers for radiofrequency ablation of
thoracic lesions are creation of posterior hydroma in 73-year-old-man with
severe emphysema and primary lung carcinoma to avoid lung parenchyma, and
instillation of cool saline into endotracheal tube cuff to protect trachea
from heat of radiofrequency ablation. Widened tissues allow insertion of
radiofrequency probe (long arrow) into tumor without traversing lung.
No pneumothorax developed during procedure. Endotracheal tube in trachea
during general anesthesia has cool distilled water and air–fluid level
within cuff (short arrows) for protection against heat of
radiofrequency procedure. Arrowhead points to endotracheal tube.
