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45 Cards in this Set
- Front
- Back
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radicular cysts are especially painful to
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percussion
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in a radicular cyst the radiograph shows radiolucency compromising what?
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lamina dura and periodontal space
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what 2 odontogenic cysts are inflam in orgin and wihch is developmental in origin
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rad and resisual are inflam
dentigerous cyst is developmental in origin |
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location/features of dentigerous cyst
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impacted mandibular 3rd molar most often
circumscribed RL around crown of unerupted tooth |
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Tx for dentigerous cyst
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complete removal
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where do you find eruption cysts?
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kids in incisor or mand 1st molar area
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lateral perio cyst descrip
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well circumscribed RL on lateral surface of tooth....may be multiloculated
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tx for primordial cyst
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complete removal
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kcot aka odont keratocyst description
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1. corrugated parakeratinized strat sq epi w/ lining of 6-8 cell thickness
2. hyperchromatism 3. palisading of the basal layer |
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tx of kcot
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complete removal w/ x-ray checkup 6 mo
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gorlin cyst
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c-cot (calcifying odontogenic cyst...second decade most often
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pathognomonic for gorlin cyst / c-cot
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ghost cells
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most common odontogenic cyst of the oral cavity
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nasopalantine duct cyst
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heart shaped circumscribed RL behind max incisors causing teeth to spread apart
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nasopalantine duct cyst
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swelling b/w maxillary lateral and cuspid; RL is an inverted pear
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globulomaxillary cyst
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the globulomaxillary cyst has the histology most resembling what 3 cysts?
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lateral radicular cyst
lateral perio cyst OKC |
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a globulomaxillary cyst is pathologically most like
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a primordial cyst
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nasolabial cyst may arise from remnants of ___
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1. nasolacrimal duct
2. fusion of maxillary medial nasal and lateral nasal processes |
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if you have soft tissue swelling in the nasolabial fold then what kind of cyst
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nasolabial cyst!!
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what kind of epithelium is the nasolabial cyst lined by?
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respiratory epithelium
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tell me about the oral/lymphoepithelial cyst
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side of tongue or FoM
yellow, rounded subepithelial mass in FoM or waldeyer's ring |
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the cystic space of an oral/lymphoepithelial cyst is usually filled w/
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keratine rimmed by strat sq epi
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this cyst is close to the anterior border of the SCM
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branchail cleft cyst...there is question of the malignant potential of the epithelium
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this cyst is most common in the first 2 decades of life and is fluctuant, movable and located in the midline of the anterior neck
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thyroglossal duct cyst
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sistrunk procedure....removes midline segment of hyoid bone and a generous portion of muscular tissue along the entire thyroglossal tract
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thyroglossal duct cyst
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list 5 pseudocysts
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aneurysmal bone cyst
traumatic bone cyst stafne bone cyst mucocele ranula |
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scalloping around tooth roots
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traumatic bone cyst
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tell me about the event that causes a traumatic bone cyst
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trauma that doesnt fracture but resutls in intraosseous hematoma which may liquefy and cause a cystic defect
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RL is soap bubble like with blow out distention of contour of affected bone.......
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aneurysmal bone cyst
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80-90% of cases in males
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stafne bone cyst
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pools of blood rimmed by immature Ct containing giant cells, bone, hemosiderin
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aneurysmal bone cyst
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Dx for staphne
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radiographic is sufficient
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asymptomatic sharply defined RL usually in posterior mandible below the mandibular canal
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stafne bone cyst
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lingual mandibular salivary gland depression
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stafne bone cyst
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when you surgically explore a stafne bone cyst you find
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salivary gland or loose Ct
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most common swelling of lower lip that can be due to trauma of salivary gland duct....may appear translucent or bluish if superficial
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mucocele
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this pseudocyst is due to a mucus spillage from the sublingual gland
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ranula
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ranula are associated w/ what 2 glands
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submandib and sublingual
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this pseudocyst may marsupialize
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ranula
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calcifying epithelial odonotgenic tumor with STRANDS of calcifications
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pindborg
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probably arises from rests of Malassez in PDL
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squamous odontogenic tumor
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clear cytoplasm separated by thin strands of hyalinized Ct....radical surgery .... likely malignant
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clear cell odontogenic tumor
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anterior maxilla around impacted k9 where nuclei are polarized away from the center of the duct
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OAT (a mixed odont tumor)
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in this tumor the mesenchyme is malignant and you have an ILL DESTRUCTIVE radiolucency....prognosis is guarded, tx is radical surgical excision
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amelobalstic fibrosarcoma
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snuff dipper's carcinoma
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verrucous carcinoma
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