Laryngocyst

Laryngeal swollen swollen laryngeal swollen, also known as laryngeal bulge, laryngeal diverticulum, or laryngeal gas hernia, is an abnormal expansion of the laryngeal vesicles, containing gas. Infants and young children's laryngeal vesicles are large, generally 6 to 8 mm, and a few can be as large as 10 to 15 mm. Those with very small cysts are called congenital laryngocystic cysts. The formation of laryngeal balloon swollen in adults is often caused by congenital abnormalities of the laryngeal vesicles and chronic cough, trumpet, weightlifting, and laryngeal tumors, which increase and expand the pressure in the larynx vesicles. According to the location of the balloon, it can be divided into three types: intra-laryngeal, extra-laryngeal and intra-laryngeal mixed. Intra-laryngeal cysts are intra-laryngeal. There are two types of this type. One protrudes from the laryngeal chamber, pushes the laryngeal chamber band upward, covers the ipsilateral vocal cords, and even extends to the contralateral side, obstructing the glottis; the other The bulge from the epiglottis wrinkles, deforming the ipsilateral larynx, and even extending upward to the base of the tongue, located in the epiglotid valley. The appearance of a balloon swollen neck is laryngeal. This type mostly penetrates from the upper thyroid hyoid periosteum nerve and blood vessels, and is located at the anterior edge of the sternocleidomastoid muscle under the hyoid bone. There are also those that exit from the circular thyroid membrane and are located below the thyroid cartilage. The mixed type is a swollen balloon that appears in the throat and neck at the same time, and there is a isthmus connected at the thyroperiosteal layer.

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