Cerebellar tonsillar ectopia ( CTE ) is a term used by radiologists to describe cerebellar tonsils that are " low lying " but that do not meet the radiographic criteria for definition as a Chiari malformation.
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Radiation exposure to the head and neck may be for historic indications such as tonsillar and adenoid hypertrophy, " enlarged thymus ", acne vulgaris, or current indications such as Hodgkin's lymphoma.
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The human palatine tonsils ( PT ) are covered by stratified squamous epithelium that extends into deep and partly branched "'tonsillar crypts "', of which there are about 10 to 30.
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The diagnosis of group A beta-hemolytic streptococcus ( GABHS ) tonsillitis can be confirmed by culture of samples obtained by swabbing both tonsillar surfaces and the posterior pharyngeal wall and plating them on sheep blood agar medium.
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The "'tubal tonsil "'is one of the four main tonsil groups comprising Waldeyer's tonsillar ring, which also includes the palatine tonsils, the lingual tonsils, and the pharyngeal tonsils.
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Accordingly, the tonsillar crypts serve a forward sentry role for the immune system, by providing early exposure of immune system cells to infectious organisms which may be introduced into the body via food or other ingested matter.
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A few months after winning the Cup, Gardiner died from a brain hemorrhage brought on by a tonsillar infection, at the age of 29 . He became posthumously a charter member of the Hockey Hall of Fame in 1945.
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The crypt system is not merely a group of invaginations of the tonsillar epithelium but a highly complicated network of canals with special types of epithelium and with various structures surrounding the canals, such as blood and lymphatic vessels and germinal centers.
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It lives in the dental calculus, the infected gum disease and purulent tonsillar crypts . " T . tenax " could be involved in the degradation of periodontal tissue by secretion of various substances such as alkaline phosphatase, and the fibronectin cathepsine as vaginalis.
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There are many suspected causes of tonsillar herniation including : decreased or malformed posterior fossa ( the lower, back part of the skull ) not providing enough room for the cerebellum; hydrocephalus or abnormal CSF volume pushing the tonsils out; or dural tension pulling the brain caudally.
