Term
How many deciduous/primary and permanent/secondary teeth are there? |
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Definition
20 deciduous/primary, 32 secondary/permanent teeth |
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Term
How many secondary teeth are considered "de novo"? |
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Definition
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Term
How is the deciduous dentition designated? |
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Definition
A-T starting at upper right |
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Term
How is permanent dentition designated? |
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Definition
1-32 starting at upper right |
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Term
WHen does tooth formation begin? |
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Definition
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Term
When do babies start to get teeth? |
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Definition
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Term
When do you start to lose baby teeth? |
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Definition
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Term
When do your first set of de novo permanent teeth erupt? |
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Definition
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Term
By what time are your baby teeth all gone? |
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Definition
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Term
When does your second set of denovo permanent teeth erupt? |
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Definition
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Term
When do your third set of denovo teeth erupt? |
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Definition
18 yrs old (third molars or wisdom teeth) |
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Term
Name a very common isolated tooth abnormality. |
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Definition
absence of one or both upper lateral incisors |
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Term
What causes malformed teeth? |
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Definition
genetics mostly but also syphilis aquired in utero during the third trimester which is congenital but NOT hereditary |
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Term
What type of tooth malformations are associated with congenital syphilis? |
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Definition
hutchinson incisors (central dip in incisors), screw driver edge to teeth |
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Term
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Definition
acid demineralization of enamel via fermentation of sugar by step mutans |
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Term
What chemical in the drinking water makes enamel resistant to dental caries? |
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Definition
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Term
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Definition
extension of dental caries into vascular soft tissue of the tooth |
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Term
What are possible periapical lesions associated with dental caries? |
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Definition
when caries extend through apical foramen it can cause abscess, granuloma or cyst |
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Term
What are some possible complications of dental caries once they have extended past the apical foramen? |
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Definition
fistula, cellulitis, cavernous sinus thrombosis, brain abscess |
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Term
What is the periodontium? |
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Definition
gingiva, periodontal ligament, cementum and alveolar bone (even though gingivitis is thought to be independent of periodontitis) |
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Term
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Definition
microorganisms, dead cells, mucous, carbs, and other organic matter and minerals deposited on teeth |
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Term
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Definition
aka calculus, is grossly calcific plaque |
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Term
What bacteria are associated with periodontal disease? |
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Definition
actinobacillus actinomycetemcomitans, prevotella intermedia, and porphyromonas gingivalis |
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Term
What clincal scenarios are associated with gingival and periodontal disease? |
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Definition
pregnancy, medication use, diabetes, herpes virus infection, HIV-AIDS, acute necrotizing ulcerative stomatitis (ANUG), gangrenous stomatitis (NOMA) |
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Term
What type of organisms are associated with ANUG and NOMA? |
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Definition
oral fusosprichetal organisms |
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Term
What medication causes hyperplastic gingivitis? |
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Definition
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Term
What SYSTEMIC diseases are associated with periodontal disease? |
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Definition
AIDS, Leukemia, Crohn's disease, DM, Down's, sarcoidosis, infective endocarditis, brain/lung abscess, adverse pregnancy, neutrophil disorders, rheumatoid arthritis, cardiovascular disease, secondary amyloidosis |
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Term
T/F Periodontitis indicates risk for CHD and stroke. |
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Definition
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Term
What is the link between periodontitis and CHD and stroke? |
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Definition
periodontitis is the only non-arterial inflammation shown to affect LpPLA-2, which is implicated in rupture prone plaques |
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Term
What is the only FDA approved blood test to assess risk of CHD/ischemic stroke? |
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Definition
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Term
What is the connection between periodontitis and rheumatoid arthritis? |
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Definition
Porphyromonas gingivalis exculsively expresses endogenous citrullinated self-proteins and is prominent in 75% of new onset RA causes. |
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Term
Does it make a difference to treat RA early? |
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Definition
YES! early tx is critical, esp within first year of occurence |
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Term
What is Epulis or Epulides? |
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Definition
gingival/alveolar mucosal mass |
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Term
What are different types of epulis? |
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Definition
fibroma, ossifying fibroma, pyogenic granuloma, and giant cell granuloma |
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Term
Which two epulides appear identical and how do you distinguish them? |
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Definition
giant cell granuloma and a brown tumor appear identical. Must rule out hyperparathyroidism |
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Term
Which epulides is associated with pregnancy? |
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Definition
pyogenic granulomas, will regress post-partum |
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Term
T/F Oral herpes virus type 1 infection is very common. |
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Definition
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Term
Describe the disease process of infection with oral herpes virus type 1. |
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Definition
first infection: acute gingivostomatitis with hyperemia, vesicles, ulcers, malaise and fever afterwards, virus is in trigeminal ganglion and can break out at oral/nasalmucocutaneous junctions. Repeated intra oral outbreak is unusual |
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Term
Repeated intraoral outbreak of herpes virus type 1 indicates... |
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Definition
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Term
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Definition
aphthous ulcer. this is a very common sore found on movable mucosa |
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Term
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Definition
post-trauma (self-biting) that is immune mediated via direct T-lymphocyte action |
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Term
How long does it take apthae to heal? |
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Definition
about 2 weeks, doesn't leave a scar |
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Term
What are the types of apthae? |
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Definition
minor (common), major (larger, stay longer), and herpetiform (clustered, multiple, tiny) |
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Term
Ulcers/stomatitis similar to Apthae can be seen in what diseases? |
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Definition
celiacs, crohns, ulcerative colitis, and intestinal lymphoma |
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Term
What finding on oral physical exam is characteristic for crohn's disease? |
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Definition
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Term
What is the most common oral fungal pathogen? |
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Definition
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Term
How does candida present? |
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Definition
classically a white, thickish, superficial dislodgeable plaque on hyperemic mucosa (pseudomembranous or thrush type) but sometimes there is only hyperemia |
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Term
What are the associated factors of thrush? |
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Definition
smoking, antibiotics, diabetes, immunocompromise |
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Term
Besides candidiasis, what is another fungal infection of the oral cavity? |
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Definition
histoplasmosis, if you see it in the mouth it is likely systemic as well |
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Term
Patients without teeth are at risk for what type of infection? |
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Definition
angular stomatitis caused by candida because they over close their mouths |
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Term
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Definition
clinical term for white, mucosal, non-dislodgable plaque that is not otherwise specified |
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Term
Leukoplakia indicates what sorts of disease processes? |
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Definition
hyperkeratosis, hyperplasia, dysplasia, SCCa-in-situ, invasive SCCa |
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Term
Where are the high risk areas for leukoplakia? |
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Definition
soft palate, lateral border of tongue, ventral tongue and oral floor |
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Term
What is the progression from normal oral mucosa to cancer and the associated mutations? |
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Definition
normal--- 9p21 (p16) 3p --> hyperplasia --- 17p13 (p53)--> dysplasia --- 11q13 (cyclin D)--> SCCa-in-situ --- 4q, 6p, 8p, 13q --> invasive SCCa |
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Term
What is Erythroplakia or erythro-leukoplakia? |
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Definition
red, maybe white, less common but likelier severe dysplasia and overt cancer |
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Term
What is Erythroplakia or erythro-leukoplakia? |
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Definition
red, maybe white, less common but likelier severe dysplasia and overt cancer |
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Term
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Definition
proliferative verrucous leukoplakia. multiple intractable lesions that progresses to cancer |
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Term
What is hairy leukoplakia? |
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Definition
seen in the immunocompromised and involves the lateral tongue border. can occur +/- EBV or HPV or candida infection |
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Term
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Definition
aka black hairy tongue. Found on the dorsal tongue and due to elongated papillae. Has numerous associations. |
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Term
What is stomatitis nicotina? |
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Definition
caused by smoking but does not by itself increase your risk for cancer |
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Term
What increases your risk for oral/pharyngeal carcinoma? |
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Definition
sunligh, tobacco, alcohol, betel quid (areca nut/slaked lime, tobacco/betel leaf), erythroplakia, leukoplakia, and previous cancer |
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Term
What type of cancer accounts for 95% of oral malignant tumors? |
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Definition
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Term
What is the 5 year survival rate of oral cancer? |
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Definition
~50%, (cancer on lip has much better prognosis) |
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Term
What variants of SCCa are highly malignant and which has a low grade malignancy? |
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Definition
spindle cell and basaloid variants are highly malignant. Verrucous variant is low grade |
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Term
What oral cancer commonly occurs in young individuals (<30) without identified risks? |
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Definition
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Term
Where in the mouth are the high risk areas for oral cancer? |
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Definition
soft palate, tip of tongue, back of tongue and on the oral floor (underneath tongue) |
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Term
What are dentigerous cysts? |
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Definition
surround the crown of non-erupted tooth |
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Term
What is the second most common jaw cyst? |
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Definition
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Term
What is an odontogenic keratocyst? |
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Definition
aka keratinizing odontogenic tumor. They are large and recurrent and part of nevoid basal cell carcinoma (Gorlin) syndrome. Autosomal dominant mutations in tumor suppressor gene PTCH on 9q22 |
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Term
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Definition
hamartoma of dental tissue, can have an associated cyst or tumor |
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Term
What is an ameloblastoma? |
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Definition
basaloid epithelial neoplasm in the jaw area that will recur if not excised. Must rule out a "unicystic" type versus a non-neoplastic cyst |
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Term
Rhinitis and sinusitis are mostly caused by... |
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Definition
viruses (echo, adeno, and rhino) |
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Term
What is a difference on physical exam between rhinitis/sinuisitis due to virusl versus due to secondary bacterial infection? |
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Definition
viral: edema and catarrhal exudate/discharge bacterial: pus |
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Term
What is the medical term for hay fever? |
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Definition
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Term
What causes acute sinusitis? |
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Definition
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Term
obstruction due to acute sinusitis can lead to... |
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Definition
empyema or abacterial mucocele |
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Term
What are common places URT inflammatory disease an spread? |
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Definition
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Term
If you suspect kartagener's syndrome, what symptoms/signs should you look for? |
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Definition
sinusitis, bronchiectasis and situs inversus |
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Term
What viruses commonly cause pharyngitis and laryngitis? |
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Definition
usual URT viruses pluse RSV and some influenza strains |
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Term
Follicular tonsilitis is caused by which bacteria? |
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Definition
staph aureus and beta-hemolytic streptococcus |
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Term
Staph aureus and beta hemolytic stremptococcus typically cause which diseases? |
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Definition
follicular tonsillitis, post-streptococcal ehrumatic fever, or glomerulonephritis, respectively |
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Term
T/F TB can cause laryngitis. |
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Definition
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Term
What organisms cause laryngoepiglottitis in infants? |
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Definition
RSV, H. influenzae, and beta hemolytic strep |
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Term
Besides viruses and bacteria what else can cause laryngitis? |
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Definition
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Term
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Definition
laryngotracheobronchitis with inspiratory stridor that occurs in children |
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Term
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Definition
hyperplastic inflammatory mases that can obstruct the antrum and/or air passage |
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Term
Name different types of URT papillomas. |
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Definition
squamous, cylindric cell, and inverted |
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Term
Which virus is associated with mulitple squamous papillomas? |
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Definition
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Term
Multiple squamous papillomas that occur with HPV 6 and 11 occur where? in what population? are treated how? and what is the prognosis? |
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Definition
larynx, mostly children, surgically remove so pt can breathe, not precancerous and often regress at puberty |
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Term
What is a nasopharyngeal angiofibroma? |
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Definition
occurs in teentage males and is agressive and bleeds alot. Avoid biopsy because vessels can't constrict |
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Term
What mass often resembles a normal turbinate? |
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Definition
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Term
Is a sinonasal inverted papilloma cancerous? |
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Definition
it may occur with other neoplasms or transition to them |
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Term
Where does an olfactory neuroblastoma occur? What is another name for it? |
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Definition
mucosa of superolateral nose. aka esthesioneuroblastoma (a neuroendocrine cell tumor) |
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Term
What cancers are associated with the maxillary sinus? |
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Definition
SCCa, lymphoma; plasmcytomas |
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Term
What is the prognosis and treatment of a maxillary sinus plasmacytoma? |
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Definition
they look bad but they are curable sugically and rarely progress to multiple myeloma |
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Term
A cancer found in the nasopharynx is most often.. |
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Definition
SCCa that is either keratinizing, nonkeratinizing or undifferentiated |
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Term
What is often the first sign of a nasopharnyx SCCa? |
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Definition
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Term
Which virus is associated with Nasopharynx SCCa? |
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Definition
EBV (except for keratinizing type) |
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Term
How do you treat nasopharnx SCCa and what is the prognosis? |
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Definition
radiosensitive, good 3 year survival |
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Term
What kind of cancer is found in the larynx? Where specifically in the larynx is it most often found? What symptoms does it present as? What are the risk factors for developing it? What is the prognosis? |
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Definition
SCCa; true cords; hoaseness; alcohol/smoking; many cured, 1/3 fatal |
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Term
What stain can help identify an olfactory neuroblastoma? |
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Definition
will be chromogranin positive |
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Term
SCCa of the larynx is associtaed with what precancerou lesion? |
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Definition
squamous epithelial hyperplasia |
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Term
What are general causes of necrotizing lesions of the midface? |
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Definition
cancer (NK T cell lymphoma), infection (mucor fungi), granulomatous vasculitis (wegener granulomatosis), post infarction pseudoneoplasia (necrotizing sialometplasia) |
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Term
How does NK T cell lymphoma cause a necrotizing lesion of the mid face? What virus is associated with this? |
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Definition
it is angiocentric/angioinvasive EBV |
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Term
How does Wegener granulomatosis cause a necrotizing lesion of the midface? |
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Definition
inflammation that affects small to medium arteries, arterioles, veins, and venules |
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Term
How does mucor fungi cause necrotizing lesions of the mid face? |
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Definition
invade blood vessels during a diabetic coma and then extend into the brain (rhinocerebral mucormycosis |
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Term
How does necrotizing sialometaplasia cause a necrotizing lesion of the midface? |
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Definition
infarction of palatal salivary glands with ductal metaplasia |
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Term
What are the characterisitcs of the mucor species on light microsocpy? |
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Definition
non septate hyphae with non-uniform dia. and branching at 90 degree angle |
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Term
What is a thyroglossal tract cyst? |
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Definition
seen in the midline between the thyroid origin at the base of the tongue and the normal location of the gland in the neck |
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Term
What is a paraganglioma? What is the prognosis? |
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Definition
chemodectoma/carotid body tumor. Found at carotid bifurcation and is a tumor of the parasympathetic nerves. May recur and metastasize even if it looks benign. Mortality is ~ 50% |
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Term
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Definition
keratinous squamous cell cyst secondary to chronic otitis media that can be destructive |
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Term
What are some benign lesions of the salivary glands? |
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Definition
stone (sialolith), mucocele, and autoimmune sialadenitis |
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Term
Where does a sialolith usually occur and what are the symptoms/sequelae? |
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Definition
submandibular duct causes obstruction, pain and swelling and possibly infection |
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Term
What causes a mucocele in the salivary gland? What is it characterized by? |
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Definition
2ndary to broken salivary duct. Causes extravasated mucin, inflammation and granulation tissue |
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Term
What are the symptoms of autoimmune sialadenitis? |
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Definition
targets salivary and lacrimal gland acini causes dry mouth and eyes |
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Term
What do you need to diagnose Sjogren syndrome? |
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Definition
diagnosis of autoimmune sialadenitis with another autoimmune disease present |
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Term
What is keratoconjunctivitis sicca? |
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Definition
dry eyes due to an inability to produce tears |
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Term
Where/what is the most common salivary gland tumor? |
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Definition
parotid gland, pleomorphic adenoma (mixed tumor) |
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Term
What is the most common MALIGNANT salivary gland tumor? |
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Definition
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Term
What are the three grades of mucoepidermoid carcinoma? |
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Definition
low- mostly cystic, more mucous cells intermediate- solid areas, fewer mucous cells and some mitoses high-grade- mostly solid, squamous cells, pleomophism, more mitoses, necrosis |
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Term
What is an adenoid cystic carcinoma? |
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Definition
salivary gland tumor that is slow-growing, involves basaloid cells, hyalin, cribiform pattern, and neurotropic |
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Term
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Definition
tumor of salivary gland that is a papillary cystadenoma lymphomatosum that is virtually only in the parotid and most in males. Sometimes bilateral. May contain bright-red oncocytes |
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Term
T/F Diptheria can cause laryngitis. |
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Definition
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