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Questions and Answers
What is the typical radiographic appearance of an odontogenic keratocyst?
What is the macroscopic appearance of the cystic cavity in an odontogenic keratocyst?
Which age group is most commonly affected by odontogenic keratocysts?
Which of the following is NOT a feature of odontogenic keratocysts?
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What is the prevalence of odontogenic keratocysts according to data reported by WHO 2017?
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In which area are odontogenic keratocysts most commonly found?
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What is the typical clinical behavior of odontogenic keratocysts?
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What is the typical histopathological lining of odontogenic keratocysts?
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What is the radiographic appearance of odontogenic keratocysts?
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What is the typical age range in which odontogenic keratocysts mostly occur?
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Which type of cyst is associated with a syndrome characterized by multiple keratocysts, bifid ribs, and basal cell carcinoma?
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Which type of odontogenic cyst has a recurrence rate of about 25% and can be treated with enucleation, marsupialization, or resection?
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Which non-odontogenic cyst is characterized by being asymptomatic and appearing as a small round or heart-shaped radiolucent area in the midline between maxillary central incisors roots?
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What type of cyst presents as a painless swelling in the anterior part of the maxilla with radiographic features of unilocular or multilocular radiolucency with multiple small radiopaque foci?
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Which type of cyst is characterized by an epithelial lining derived from ectoderm involved in facial tissue development?
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What type of non-odontogenic cyst occurs in the soft tissue of the incisive papilla area without any bony involvement and appears as a bluish swelling discharging a salty fluid?
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Which type of lesion buds and forms daughter cysts?
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Which type of lesion is characterized by tall columnar palisaded cells with a tombstone appearance?
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Which type of cyst is characterized by a fluctuant swelling, bluish appearance, and superficial location?
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Which cyst develops from remnants of the thyroglossal duct and can cause laryngeal obstruction?
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Which type of cyst is caused by increased venous pressure or vascular malformation?
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Which type of cyst is characterized by excessive bleeding of dark venous blood during surgery?
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Which type of cyst is lined by keratinized squamous epithelium and contains skin appendages?
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Which type of cyst is characterized by a painful swelling and multilocular radiolucency?
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Which type of non-odontogenic soft tissue cyst is mucin-filled and painless?
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Which benign non-odontogenic soft tissue cyst is slowly growing, painless, and presents as a rubbery swelling?
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Study Notes
- Text discusses various types of cysts in the jaws and allied structures
- Aneurysmal bone cyst: occurs above inferior dental canal, no lining, thin connective tissue, caused by increased venous pressure or vascular malformation, radiolucent, multilocular, painful swelling, excessive bleeding of dark venous blood during surgery
- Non-odontogenic soft tissue cysts: mucous extravasation and retention cysts, dermoid and epidermoid cysts, branchial cleft (lymphoepithelial) cysts, salivary gland cysts
- Mucous extravasation and retention cysts: radiolucent, mucin-filled, painless, fluctuant swelling, bluish, appear superficially
- Dermoid and epidermoid cysts: benign cysts, lined by keratinized squamous epithelium, contain skin appendages, located in midline of floor of mouth, slowly growing, painless, rubbery swelling
- Thyroglossal tract cyst: develops from remnants of thyroglossal duct, located in midline of neck to base of tongue, asymptomatic, movable swelling, can cause laryngeal obstruction, varies in lining depending on location above hyoid bone
- Complications of various cysts include dysphagia, malignant transformation, difficulty eating and speaking
- Lecture aims to detail radiology and histopathology of uncommon cystic lesions, advised reading materials for further study.
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Description
Learn about the radiological and histopathological features of uncommon cystic lesions that can arise in the jaws and allied structures. Understand the classification of cysts, including non-odontogenic, odontogenic, inflammatory, and developmental cysts.
