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LARYNGEAL CANCER (Pathophysiology)

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Pj Reblora

on 20 March 2014

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Transcript of LARYNGEAL CANCER (Pathophysiology)

LARYNGEAL CANCER (Pathophysiology)
There are three main parts of the larynx: the
GLOTTIS
, the middle part of the larynx where the vocal cords are located, the
SUPRAGLOTTIS
, the tissue above the glottis, and the
SUBGLOTTIS
, the tissue below the glottis. The subglottis connects to the trachea, which takes air to the lungs.

• Cancer of the larynx, can also be called laryngeal cancer, can develop in any part of the larynx, but most begins in the glottis. The inner walls of the larynx are lined with cells called squamous cells. Almost all laryngeal cancers begin in these cells.



• If cancer of the larynx spreads, the cancer cells often spread to nearby lymph nodes in the neck. The cancer cells can also spread to the back of the tongue, other parts of the throat and neck, the lungs, and other parts of the body. When this happens, the new tumor has the same kind of abnormal cells as the primary tumor in the larynx.

Summary
These mutated cells are called carcinogenic cells. (cell-causing cancer)
Definition
LARYNGEAL CANCER - disease in which cancer cells grow in the larynx.

- The larynx, also called the voice box, is a short passageway shaped like a triangle that lies just below the pharynx in the neck.

- The pharynx is a hollow tube about five inches long that starts behind the nose and goes down to the neck to become part of the esophagus.


Summary (cont)
These cells, when accumulated, become benign or malignant tumor
Cells are exposed to factors that triggers mutation of cells
These cells are fast-replicating in nature. When the organs affected with cancer cells are excised, the faster they replicate.
METASTASIS HAPPENS and further damages to the next system occur
these tumors causes blockages to the airways and vessels, therefore causing necrosis to some parts
Full transcript