Sialadenitis refers to the inflammation of salivary glands. It may either have an infectious or non infectious cause. The non infectious causes of sialadenitis includes sjogren syndrome, sarcoidosis, radiation therapy and various allergens.
The infectious causes may be either a viral infection seen in mumps or it may result from a bacterial infection with the most common causative agent being staph aureus and strep pyogenes. bacterial sialadenitis is always an ascending infection. By ascending infection it means that the bacteria from the oral cavity moves from the ductal orifice towards the ducts and salivary parenchyma. This retrograde bacterial flow may result from the ductal obstruction or decreased salivary flow. The ductal obstruction can be caused by sialoliths, congenital strictures or compression by an adjacent tumor. Decreased salivary flow can result from dehydration, debilitation or certain medications that inhibit salivary secretions.
Since there are so many causes of sialadenitis, the focus of this video is sialadenitis resulting from bacterial infections
Video(diagrams+editing) & Voiceover:
Dr. Maryam Kazman
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2 сен 2020
