What causes inflammation of the submandibular gland?

What causes inflammation of the submandibular gland?

Swollen submandibular glands are usually caused by tiny stones blocking the ducts that channel saliva into the mouth. According to the Merck Manual, these stones can develop from the salts in saliva, especially if a person is dehydrated.

Why do submandibular lymph nodes swell?

Swollen submandibular nodes usually indicate an active viral or bacterial infection and are commonly associated with infections of the sinuses, eyes, and ears.

Why is there parotid swelling in liver failure?

Parotid enlargement is frequently observed in heavy drinkers with and without chronic liver disease. A histologic study at necropsy demonstrated an increase in adipose tissue at the expense of acinar tissue in the salivary glands of patients with alcoholic cirrhosis compared with the control group.

Why does alcoholic liver disease cause parotid enlargement?

The exact reason for parotid swelling in associa tion with alcoholism is not known. At one time, alcoholic cirrhosis was thought to be a prerequi site of parotid swelling, but it is now known that parotid enlargement can develop before the onset of liver cirrhosis in patients with high alcoholic intakes.

What does the submandibular gland do?

The submandibular gland produces saliva, which moistens the mouth and aids in chewing, swallowing, digestion, and helps to keep the mouth and teeth clean. Unstimulated, the submandibular glands provide the majority of saliva to the mouth. On stimulation, the parotid gland takes over, producing the majority of saliva.

What percentage of submandibular gland tumors are malignant?

Submandibular gland tumors have a frequency of malignancy of roughly 43%, almost double that of the parotid gland. In general, tumors of the submandibular gland are associated with higher rates of malignancy and less favorable prognoses when compared with other primary tumors of the salivary glands.