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[The difference of phonation patterns in vocal fold polyps and vocal nodules]
Biru Zhang1, Yiqing Zheng2, Jian Gong2
1Department of Otorhinolaryngology, the First People's Hospital of Shunde, Foshan, 528300, China.
Objective:
To investigate the difference of phonation patterns by dividing patients with vocal fold polyps and vocal nodules into two groups according to muscle tension patterns (MTP).
Method:
Fifty-six patients with vocal fold polyps and vocal nodules were divided into two groups according to phonation with MTP or not by video strobolaryngoscopy.
Result:
MTP could be found in 85% patients with vocal nodules and in 55.56% patients with vocal fold polyps. Significant difference was found in patients with/without MTP, and difference was also found in every type of MTP.
Conclusion:
MTP lies in most patients with vocal nodules while only part of patients with vocal fold polyps, which indicated that vocal fold polyps and vocal nodules may demonstrate different phona
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