The ventricles of the larynx are two horizontal elliptic spaces situated on the inner aspect of the ala of the thyroid cartilage. They lie between the true vocal cord below and the so-called false vocal cord or ventricular band above (fig. 1).
Ventricular prolapse per se is a rare condition. It was first described by Lefferts in 1876. Since that time it has been a matter of controversy in the realm of laryngology. The great difference of opinion seems to be concerning the terminology and the etiology.
By "prolapse of the ventricle," the term in general use, is to be understood the protrusion of a portion of the ventricular mucosa as a result of inflammatory edema or hyperplasia, so that the parts of the ventricle normally out of sight are carried inwards along with the swelling, and come to be brought in view of the laryngoscope.
By the term "eversion
ZIEGELMAN EF. TUBERCULOMA OF THE LARYNGEAL VENTRICLE RESEMBLING PROLAPSE OF THE MUCOUS MEMBRANE: REPORT OF A CASE. Arch Otolaryngol. 1932;15(3):382–388. doi:10.1001/archotol.1932.03570030400005
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