Abstract
Since the introduction of endolaryngeal microsurgery, several basic microsurgical techniques have been described for the removal of benign vocal fold lesions. These techniques include conventional incision or dissection, bimanual retraction and cutting, microflap technique and the CO2 laser. Until recently, only a few microsurgical methods have emerged as new choices for the treatment of benign vocal fold lesions. This article introduces an innovative method that can precisely remove benign sessile vocal fold lesions with epithelial keratosis or hyperplasia without jeopardizing the intermediate or deep layer of the lamina propria. Instead of using conventional vertically opening microinstruments, this microsurgical pressing excision technique (MPET) utilized two pairs of custom-made horizontally left-opening or right-opening, curved microscissors/curved cupped microforceps to remove right or left vocal fold lesions accordingly. Using one instrument at a time, the lesion was subsequently removed with the microscissors and microforceps in a press-evert-cut manner. Among a total of 553 cases, the treatment results were satisfactory, with 520 (94%) patients retaining a satisfactory/normal (G0) voice 2 months postoperatively. More importantly, no patient's voice was worse postoperatively. This technique has several advantages: utilizing one instrument at a time can maximize exposure of the narrow endoscopic view, adjusting the pressing force makes precise excision easy in a well controlled horizontal plane. The MPET is particularly useful for removing sessile vocal nodules (especially those with epithelial keratosis), epithelial hyperplasia and leukoplakia in patients with difficult endolaryngeal exposure. This could be a well tolerated and precise microsurgical technique.
Published Version
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