声带小结（Vocal nodules）.docVIP

声带小结（Vocal nodules） Vocal nodules, vocal nodules, nodular or vocal nodules. Prolonged excessive use of voice or improper use of voice can often occur, because when the voice with the frequency rise, the vocal cord tension gradually increased, the vocal cord muscle too tight and mutual extrusion, impact. General 1/3 of the vocal cords at the junction of serious damage, so the limitation of mucosal edema, hyperplasia, hyperkeratosis, interstitial fibrosis and the formation of the symmetry of the tip or the size of the corn nodules. Nodules (Vocal) is a kind of chronic laryngitis. It refers to symmetrical nodular hyperplasia at the junction of 1/3 at the anterior edge of the vocal fold edge. It hinders the glottal closure and leads to low voice, poor and severe hoarseness. Due to prolonged improper use of sound or excessive use of sound. Under the laryngoscope, it is seen that there is a pale, small, translucent, smooth surface of the anterior and middle 1/3 of the vocal fold margin. The small vessels are seen on the base, and the vocal cords are blocked during phonation. The main symptoms are hoarseness, sore throat and itching. In the occupation with vocal nodules or voice shouting love, incorrectly in the crowd. Some people call it a brief summary of a singer or a teacher. Edit this paragraph Pathological cause Pathogeny Vocal nodules Due to prolonged improper use of sound or excessive use of sound. Common in speech loving boys and adult women, especially those with professional throats, such as large class teachers, more vocal singers than their vocal range, and so on. The first 2 / 3 segments of the vocal cord are membranous tissues that participate in vocal cord vibration, followed by the 1 / 3 segment of arytenoid cartilage and the opening and closing of the vocal tract. A dynamic TV laryngoscope can be used to observe the vibration of the vocal cords. The location of vocal nodules is mostly at the midpoint of the membranous vocal cord, where it is the highest p