[The difference of phonation patterns in vocal fold polyps and vocal nodules].
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).


METHODS
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.


RESULTS
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.


CONCLUSIONS
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
Department of Otorhinolaryngology, the First People's Hospital of Shunde, Foshan, 528300, China.
Biru
B
Zhang
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University.
Yiqing
Y
Zheng
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University.
Jian
J
Gong
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University.
Yongming
Y
Chen
D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007818:Laryngeal Diseases / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D010699:Phonation; D011127:Polyps / Q000503:physiopathology*; D014827:Vocal Cords / Q000473:pathology; D014832:Voice Disorders / Q000503:physiopathology*; D055815:Young Adult