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Oral Pathology 2020 > Developmental defects class period 2 TEST #1 > Flashcards

Developmental defects class period 2 TEST #1 Flashcards

1
Q

What is a cyst?

A

-Pathologic cavity lined by epithelium

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2
Q

What is a pathologic cavity lined by epithelium?

A

-Cyst

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3
Q

T/F Cysts are typically fluid filled

A

True

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4
Q

Once cysts develop in the oral & maxillofacial region what occurs?

A

-They slowly increase in size due to the elevated hydrostatic luminal pressure

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5
Q

Where do Epstein pearls occur?

A

-Occur along the median palatal raphe

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6
Q

What causes epstein pearls to occur?

A

-Entrapped epithelium along fusion line

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7
Q

What palatal cysts of the newborn are scattered all over hard palate and usually near the junction of soft palate?

A

-Bohn’s nodules

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8
Q

What do Bohn’s nodules appear as?

A

-Small 1-3 mm of white or yellow papules near the midline

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9
Q

What are two types of palatal cysts of newborns?

A
  • Epstein’s pearls

- Bohn’s nodules

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10
Q

What is a swelling of the upper lip, lateral to the mideline, resulting in elevation of the ala of the nose known as?

A

-Nasolabial cyst

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11
Q

Is a nasolabial cyst a cyst of the bone or the soft tissue?

A

-Soft tissue

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12
Q

Does nasallabial cysts occur in males or females more?

A

-Femalse

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13
Q

Globulomaxillary radiolucencies is a termed used by older dentist, most commonly these radiolucencies are what?

A
  • Periapical or radicular cysts (most common)

- Periapical granuloma

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14
Q

What is the most common non-odontogenic cyst of the oral cavity?

A

-Nasopalatine duct cyst (centered around the central incisors)

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15
Q

Where does the nasopalatine duct cyst occur?

A

-Near the incisive canal

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16
Q

If the nasopalatine radiolucency is larger than 6 mm is it a cyst?

A

-Possibly

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17
Q

Are the teeth vital with a nasopalatine duct cyst?

A

-Yes If non vital then it will be a periapical cyst

18
Q

What is the soft tissue counter part of a nasopalatine duct cyst?

A

-Cysts of the incisive papilla (appears bluish in color)

19
Q

What is the most common follicular cysts of the skin?

A

-Epidermoid cyst

20
Q

What is a dermoid cyst located around?

A

-Has adnexal structures in the cyst wall

21
Q

What do epidermoid cysts appear as?

A

-White or yellow unless inflamed

22
Q

Where do dermoid cysts in the oral cavity occur around on an axis?

A

-Midline

23
Q

Where type of cysts develop from epithelial remnants of the thyroglossal tract?

A

-Thyroglossal duct cyst

24
Q

On an axis where does a thyroglossal duct cyst form?

A

-Midline

25
Q

What are thryoglossal cysts associated with?

A

-Colloid

26
Q

Where do you find lymphoepithelial cysts?

A
  • Waldeyers ring

- Lymphoid aggreagtes

27
Q

Where is the most common location of lymphoepithelial cysts?

A

-Floor of mouth

28
Q

What is the common size of a lymphoepithelial cyst?

A

-Mass less than 1 cm in diameter

29
Q

What do lymphoepithelial cysts appear as clinically?

A

Yellow or white

30
Q

Where do branchial cleft cysts occur?

A

-Occurs in upper lateral neck along anterior border of SCM

31
Q

What is the branchial cleft cyst also known as?

A

-cervical lymphoepithelial cyst

32
Q

What are lymphoepithelial cysts bilaterally on the neck associated with the parotid gland associated with?

A

-HIV

33
Q

What is associated with asymmetric overgrowth of one or more body parts (unilateral)?

A

-Hemihyperplasia

34
Q

What is the cause of progressive hemifacial atrophy?

A

-Borelia (lyme disease)

35
Q

What other disease does hemifacial atrophy mimic?

A

-localized linear scleroderma

36
Q

What is a painless unilateral enlargement of the maxillary bone along with overgrowth of overlying gingiva known as?

A

-Segmental odontomaxillary dysplaisa

37
Q

What developmental condition has one or both of the developing maxillary premolars the are missing?

A

-Segmental odontomaxillary dysplasia

38
Q

What is Crouzon syndrome/Craniofacial dysostosis characterized by?

A

-Craniosynostosis

39
Q

What is the most sever case of Crouzon syndrome?

A

-Cloverleaf skull (Kleeblatt-schadel deformity)

40
Q

What does aper syndrome have associated with it?

A
  • Ocular proptosis (bulging eyes)
  • Hypertelorism (eyes far apart)
  • Syndactyly (fusion of fingers or toes)
  • Lateral slant of palperal fissures
41
Q

What is associated with Crouzon syndrome?

A
  • Brachycephaly (short head)
  • Ocular proptosis
  • underdeveloped maxilla
42
Q

Treacher collins syndrome has what associated with it?

A
  • Defects of structures derived from 1st and 2nd branchial arches
  • Hypoplastic zygoma
  • coloboma (notch on outer portion of lower eyelid)
  • Underdeveloped mandible

Oral Pathology 2020 (38 decks)

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