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Otolaryngology

Epistaxis

Epistaxis may be classified as anterior or posterior nosebleeds. Anterior nosebleeds are most common, usually occurring at Kiesselbach’s plexus in the anterior nasal septum. Kiesselbach's plexus consists of the anterior ethmoid, greater palatine, sphenopalatine, and...

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Acute Sinusitis

General Features Acute sinusitis is an inflammation of the paranasal sinuses usually due to a viral infection, but secondary bacterial infection can occur. Often precipitated by an upper respiratory infection. Inflammation causes swelling of the mucosa leading to...

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Acoustic Neuroma (Vestibular Schwannoma)

General Features An acoustic neuroma is a benign Schwann cell-derived tumor of the eighth cranial nerve. Also known as a vestibular schwannoma. Usually unilateral In neurofibromatosis type 2, acoustic neuromas are typically bilateral. Signs and Symptoms...

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Dental Caries (cavities)

Dental caries (cavities) is tooth decay caused by bacteria in dental plaque. Streptococcus mutans is a gram positive, anaerobic bacterium that causes caries. Pain occurs as the caries progress. Left untreated, caries lead to tooth destruction, infection, and loss of...

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