Podcast
Questions and Answers
Incisive canal cysts may appear as rounded, ovoid or heart shaped.
Incisive canal cysts may appear as rounded, ovoid or heart shaped.
True
The radiolucency of an incisive canal cyst is present in the midline between the roots of the upper roots of the first incisor.
The radiolucency of an incisive canal cyst is present in the midline between the roots of the upper roots of the first incisor.
True
Incisive canal cysts larger than 6 cm in diameter are easily differentiated from a normal incisive canal.
Incisive canal cysts larger than 6 cm in diameter are easily differentiated from a normal incisive canal.
False
What type of epithelium is found lining an incisive canal cyst near the oral cavity?
What type of epithelium is found lining an incisive canal cyst near the oral cavity?
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What type of epithelium is found lining an incisive canal cyst near the nose?
What type of epithelium is found lining an incisive canal cyst near the nose?
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Which of these is NOT a component of the connective tissue found in an incisive canal cyst?
Which of these is NOT a component of the connective tissue found in an incisive canal cyst?
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Incisive canal cysts commonly contain cholesterol clefts.
Incisive canal cysts commonly contain cholesterol clefts.
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The content of an incisive canal cyst can be infected with pus if the patient has an infection.
The content of an incisive canal cyst can be infected with pus if the patient has an infection.
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What are some of the variations of the lining of an incisive canal cyst?
What are some of the variations of the lining of an incisive canal cyst?
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Study Notes
Incisive Canal Cyst
- May appear as rounded, ovoid, or heart-shaped radiolucent area with well-defined margins
- Radiolucency located in the midline between the roots of the upper incisors
- Difficult to distinguish from a normal incisive canal if the cyst is less than 6 cm in diameter
Histopathology
-
Epithelium:
- Type dependent on location:
- Near oral cavity: Stratified squamous epithelium
- Near the nose: Respiratory epithelium
- Type dependent on location:
-
Connective Tissue:
- Fibrous connective tissue
- Chronic inflammatory cell infiltration
- Thick-walled blood vessels (branches of sphenopalatine vessels)
- Nerve trunks (nasopalatine nerve; best seen with silver stain)
- Cholesterol clefts occasionally seen
Contents
- Viscous fluid
- May contain mucoid material or pus (if infected)
-
CT Variations:
- Mucous cells
- Sphenopalatine vessels
- Nasopalatine nerve
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Description
This quiz covers the characteristics and histopathology of incisive canal cysts. You'll explore the radiographic features, epithelial types based on location, and the contents of the cysts. Test your knowledge on the clinical aspects and imaging variations associated with these lesions.
