Non-odontogenic developmental cysts

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Last updated 12:12 AM on 4/14/26
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11 Terms

1
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Nasopalatine duct cyst:

- cause:

- population:

- clinical features:

- radiographic features:

- cause: arises from epithelial remnants of embryonic tissue duct

- population: middle aged males (40-60)

- clinical features: pink swelling of incisive papilla area ; teeth are VITAL

- radiographic features: well-defined radio lucency between maxillary incisors - "heart shaped"

<p>- cause: arises from epithelial remnants of embryonic tissue duct</p><p>- population: middle aged males (40-60)</p><p>- clinical features: pink swelling of incisive papilla area ; teeth are VITAL</p><p>- radiographic features: well-defined radio lucency between maxillary incisors - "heart shaped"</p>
2
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Median palatal cyst:

- cause:

- population:

- cause: arises from epithelial remains

- population: any

<p>- cause: arises from epithelial remains</p><p>- population: any</p>
3
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Nasolabial cyst:

- cause:

- population:

- cause: unknown

- population: middle aged females (40-50)

<p>- cause: unknown</p><p>- population: middle aged females (40-50)</p>
4
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Branchial cleft cyst:

- cause:

- population:

- location:

- cause: epithelium trapped in lymph node/lymphoid tissue at development

- population: young adults

- location: lateral neck, floor of mouth or ventral/posterior tongue

<p>- cause: epithelium trapped in lymph node/lymphoid tissue at development</p><p>- population: young adults</p><p>- location: lateral neck, floor of mouth or ventral/posterior tongue</p>
5
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Thyroglossal Tract Cyst:

- cause:

- population:

- clinical features:

- radiographic features:

- treatment:

- cause: epithelial remains trapped during thyroid gland development

- population: young adults (under 20)

- clinical features: dysphagia or difficulty extending tongue ; firm swelling at midline of neck, moves when swallowing

- radiographic features: none

- treatment: surgical excision along entire tract (part of hyoid bone + mm)

<p>- cause: epithelial remains trapped during thyroid gland development</p><p>- population: young adults (under 20)</p><p>- clinical features: dysphagia or difficulty extending tongue ; firm swelling at midline of neck, moves when swallowing</p><p>- radiographic features: none</p><p>- treatment: surgical excision along entire tract (part of hyoid bone + mm)</p>
6
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Epidermoid Cyst:

- cause:

- population:

- clinical features:

- cause: arises from epithelium of hair follicles

- population: any

- clinical features: movable fluctant nodule, yellowis/white or normal skin appearance

<p>- cause: arises from epithelium of hair follicles</p><p>- population: any</p><p>- clinical features: movable fluctant nodule, yellowis/white or normal skin appearance</p>
7
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Dermoid Cyst:

- cause:

- population:

- clinical features:

- radiographic features:

- cause: epithelial remnants during development

- population: birth or young children

- clinical features: midline swelling,

dough-like consistency

- radiographic features: none

<p>- cause: epithelial remnants during development</p><p>- population: birth or young children</p><p>- clinical features: midline swelling,</p><p>dough-like consistency</p><p>- radiographic features: none</p>
8
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The lumen of what cyst is filled with keratin?

dermoid cyst

9
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Which cyst is NOT a true cyst?

stafne bone cyst - it is not lined with epithelium and does not contain any liquids

10
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Stafne bone cyst:

- cause:

- population:

- location:

- clinical features:

- radiographic features:

- cause: developmental concavity containing normal salivary tissue

- population: men (80-90% of the time)

- location: anterior to angle + inferior to mandibular canal (unilateral or bilateral)

- clinical features: asymptomatic

- radiographic features: well-defined cyst-like radiolucency

<p>- cause: developmental concavity containing normal salivary tissue</p><p>- population: men (80-90% of the time)</p><p>- location: anterior to angle + inferior to mandibular canal (unilateral or bilateral)</p><p>- clinical features: asymptomatic</p><p>- radiographic features: well-defined cyst-like radiolucency</p>
11
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What is it called when a branchial cleft cyst occurs intraorally?

oral lymphoepithelial cyst

<p>oral lymphoepithelial cyst</p>