A unique case of benign postoperative parotid swelling.

A case of severe, unilateral parotid swelling noted immediately postoperatively is discussed. Review of medical records at three hospitals over the years 1969-1977 failed to reveal similar cases. This unusual entity falls into the spectrum of previously described "anesthesia mumps," and resembles the parotid swelling occasionally noted after peroral endoscopy. This form of perioperative "mumps" is to be clearly differentiated from classic postoperative parotitis and should be recognized as a benign variant requiring no treatment.