Among the causes of facial nerve lesions, iatrogenic injuries have currently the highest incidence in extensive surgical interventions of the tumor removal.
It should be noted that the majority of patients with tumors in the anatomical location of the facial nerve undergo operation at the stage of pronounced clinical manifestations, when the tumor is of a considerable size and the preservation of the facial nerve is a difficult and sometimes impossible task.
In our practice, we conducted 1 clinical observation of a 59-year-old patient hospitalized with a diagnosis of the long-term effects of left facial nerve traumatic injury. Transposition of the temporal muscle on the round muscles of the eyes and mouth on the right half of the face, as a consequence of microsurgical removal of the right cochlear nerve neurinoma under the neuromonitor, performed under 2.5 x magnification. The postoperative period was uneventful, a good aesthetic result was obtained.
To evaluate the results, May and Drucker classification was used: 1- bad (drooing corner of the mouth on the paralyzed side); 2 - unsatisfactory (the corners of the mouth were not symmetrical); 3 - satisfactory (discreet smile, pulling up the corner of the mouth); and 4 - good (patient smiles voluntarily with exposure of the teeth). Three independent observers evaluated the photographs, and then the authors averaged their score.
All of the participants had the same preoperative score of 1 because the corner of the mouth on the paralyzed side drooped in all of the patients before surgery. The average postoperative score of all 4 cases was 2,9.
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