Items tagged “larynx”

10 results found
Article

Laryngeal carcinoma (staging)

Laryngeal carcinoma staging refers to TNM staging of carcinomas involving the supraglottic, glottic, and subglottic larynx. The vast majority of applicable cases are squamous cell carcinomas, but other epithelial tumors are also included. The following article reflects the 8th edition published ...
Article

Laryngocele

Laryngocele refers to dilatation of the saccule of the laryngeal ventricle and is unilateral in the vast majority of cases 8. On imaging, these lesions are generally characterized as well-defined, thin-walled, fluid or air-filled cystic lesions in the paraglottic space. The communication with t...
Article

Epiglottitis

Epiglottitis is a life-threatening condition caused by inflammation of the epiglottis and aryepiglottic folds 1,  which can lead to acute airway obstruction. Treatment should be urgent and performed by appropriately trained individuals, e.g. instrumentation of the trachea should be performed by ...
Article

Squamous cell carcinoma of the larynx

Squamous cell carcinoma of the larynx is the most common primary malignant tumor that affects the laryngeal framework. Typically it is categorized by the laryngeal subsite affected, which affects presentation, treatment and prognosis.  Epidemiology Males are more affected than females, and usu...
Article

Thyroid cartilage

The thyroid cartilage is the largest of the cartilages of the larynx, with its superior pole sitting at the level of the C4 vertebra. Gross Anatomy The thyroid cartilage consists of bilateral flattened laminae that are fused anteriorly in the median plane to form the laryngeal prominence. Each...
Article

Intrinsic muscles of the larynx

The intrinsic muscles of the larynx can be considered in two groups: muscles that control the inlet of the larynx muscles that move the vocal ligaments Gross anatomy Muscles of the inlet aryepiglottic muscle: lies within the aryepiglottic fold, runs from the side of the epiglottis and inser...
Article

Cricoid cartilage

The cricoid cartilage is a ring-shaped structure that sits just below the thyroid cartilage, at the level of the C6 vertebra. It is the only complete cartilaginous ring of the whole airway. Gross anatomy The anterior portion is called the arch and the posterior quadrangular shaped portion is t...
Article

Arytenoid cartilage

The arytenoid cartilages are paired hyaline cartilages that articulate with the sloping upper border of the lamina of the cricoid cartilage by the cricoarytenoid joint. This joint allows movement of the arytenoid cartilages, which is vital in approximating, tensing and relaxing the vocal folds. ...
Article

False vocal cords

The false vocal cords (vestibular folds, ventricular folds, ventricular bands) are paired shelf-like structures located within the supraglottic larynx that divide the vestibule above from the ventricle below.  Gross anatomy The vestibular ligaments are the ligamentous component of the false vo...
Article

Aryepiglottic folds

The aryepiglottic folds are two ligamentomuscular structures within the supraglottic larynx that function to protect the airway when swallowing. Gross anatomy Each aryepiglottic fold is comprised of the superior ligamentous edge of the quadrangular membrane and covering mucous membrane 1, the ...

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