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Sinus

This tag is associated with 3 posts

Acute Sinusitis

History: 45 year old female with congestion and headache. This is the appearance of acute sinusitis on CT. Sinusitis is inflammation of the sinuses as a result of infection with a virus, bacteria, or fungus. Usually patients do not need imaging for diagnosing sinusitis as it is diagnosed clinically by history and physical exam. However, sinusitis … Continue reading

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Periapical Tooth Abscess – The spectrum of apical periodontitis

  History: 50 year old man with jaw pain.    This is an example of a tooth abscess, or periapical abscess. The lucency in the maxilla indicated by the yellow arrow is somewhat nonspecific and may be secondary to tooth loosening, however, the adjacent maxillary sinus mucosal thickening argues for the case of an abscess. … Continue reading

Sinonasal Osteoma

History: 40 year old male with incidental finding on head CT done for minor head trauma.  This is the typical appearance for a Sinonasal Osteoma. Classically they are asymptomatic, and thus are incidental findings on imaging studies done for other reasons. Sinonasal osteomas are the most common benign tumor of the sinuses. They can be … Continue reading

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