Cysts of the Oral Cavity
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Questions and Answers

What is the defining characteristic of a cyst?

  • It is always symptomatic, causing pain and discomfort
  • It grows rapidly and resorbs adjacent teeth
  • It forms a sharply defined radiolucency with smooth borders (correct)
  • It is typically located in the soft tissues of the oral cavity
  • Which type of cyst is associated with inflammation?

  • Residual cyst
  • Radicular cyst (correct)
  • Erupting cyst
  • Dentigerous cyst
  • What distinguishes odontogenic keratocyst from other odontogenic cysts?

  • It occurs only in newborns and adults
  • It has a keratinized lining epithelium (correct)
  • It does not displace adjacent teeth
  • It is always asymptomatic
  • Which type of cyst is non-odontogenic?

    <p>Nasopalatine duct cyst</p> Signup and view all the answers

    What distinguishes primary bone cysts (pseudocysts) from other cysts?

    <p>They do not have an epithelial lining</p> Signup and view all the answers

    What is the defining characteristic of a mucous retention cyst?

    <p>It is surrounded by ductal epithelium</p> Signup and view all the answers

    Which age group is most commonly affected by mucous retention cysts of the oral cavity?

    <p>Adults around 50 years</p> Signup and view all the answers

    Where are mucous retention cysts commonly seen in the oral cavity?

    <p>Floor of the mouth, palate, and cheek</p> Signup and view all the answers

    What is the usual size of a mucous retention cyst?

    <p>10-15 mm</p> Signup and view all the answers

    What is the recommended treatment for mucous retention cysts?

    <p>Complete surgical removal</p> Signup and view all the answers

    Which characteristic is NOT associated with mucous retention cysts of the oral cavity?

    <p>Inflammation</p> Signup and view all the answers

    What is the defining feature of the ductal epithelium lining the mucous retention cysts?

    <p>Double layer of columnar or cuboidal cells</p> Signup and view all the answers

    Which salivary gland is the primary source of mucin for mucous retention cysts?

    <p>Sublingual gland</p> Signup and view all the answers

    What is the recommended treatment for mucous retention cysts?

    <p>Complete surgical removal</p> Signup and view all the answers

    What distinguishes mucous retention cysts from extravasation mucoceles?

    <p>Type of epithelium lining the cyst</p> Signup and view all the answers

    Study Notes

    Characteristics of Cysts

    • A cyst is defined as a pathologic cavity lined by epithelium, filled with fluid or semi-fluid material, and often surrounded by a fibrous capsule.

    Inflammatory Cysts

    • Inflammatory cysts are associated with inflammation.

    Odontogenic Keratocyst

    • Odontogenic keratocysts are distinguished from other odontogenic cysts by their characteristic parakeratinized epithelial lining and high recurrence rate.

    Non-Odontogenic Cysts

    • Mucous retention cysts are non-odontogenic cysts.

    Primary Bone Cysts (Pseudocysts)

    • Primary bone cysts (pseudocysts) are distinguished from other cysts by their lack of epithelial lining.

    Mucous Retention Cysts

    • Mucous retention cysts are characterized by the accumulation of mucin in the connective tissue as a result of obstruction or rupture of the ductal system of the salivary glands.
    • Mucous retention cysts are most commonly seen in the older adult population.
    • They are commonly seen in the lower lip, buccal mucosa, and tongue.
    • The usual size of a mucous retention cyst is around 1-2 cm in diameter.
    • The recommended treatment for mucous retention cysts is surgical excision.
    • Mucous retention cysts are NOT associated with a fibrous capsule.
    • The ductal epithelium lining the mucous retention cysts is characterized by a single layer of cuboidal or flat epithelial cells.
    • The primary source of mucin for mucous retention cysts is the minor salivary glands.
    • Mucous retention cysts are distinguished from extravasation mucoceles by their retention of mucin, whereas extravasation mucoceles are characterized by the spillage of mucin into the surrounding tissue.

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    Description

    Learn about the general considerations of cysts in the oral cavity, including their characteristics, symptoms, and impact on surrounding tissues. This quiz provides an overview of epithelial-lined pathologic cavities that may contain liquid or semi-liquid material and their radiographic appearances.

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