28 Questions
Which cyst is known for its characteristic soap bubble appearance and scalloping border in radiographic features?
Odontogenic keratocyst
What is the prevalence of odontogenic cysts according to data reported by WHO 2017?
25%
Which cyst is characterized by a cystic cavity showing a corrugated appearance and containing keratin lined by parakeratinized epithelial lining?
Odontogenic keratocyst
What is the usual clinical presentation of an odontogenic cyst with aggressive clinical behavior and high recurrence rate?
Occurs in 2nd or 3rd decade of life
Which cyst is known for growing in an anteroposterior direction without causing bone expansion at first presentation?
Odontogenic keratocyst
What are the radiographic features of a dentigerous cyst?
Unilocular radiolucent area with well-defined borders
Which cyst is not a type of odontogenic cyst?
Lateral periodontal cyst
What is the macroscopic appearance of a lateral periodontal cyst?
'Corrugated' appearance
'Retepeg formation' is typically absent in which type of cyst?
'Odontogenic keratocyst'
'Loosely attached to underlying C' is a characteristic feature of which type of cyst?
'Odontogenic keratocyst'
What is the histopathological feature of an aneurysmal bone cyst?
Presence of thin connective tissue lining or no lining at all
Where is a mucous extravasation cyst clinically seen most commonly?
In the floor of the mouth
What is the histopathological feature of a ranula?
Presence of mucin pool surrounded by granulation tissue
Which cyst is a developmental lesion arising from remnants of the thyroglossal duct?
Thyroglossal tract cyst
What is the clinical presentation of dermoid and epidermoid cysts?
Asymptomatic, soft, fluctuant swelling, appear bluish
What type of cyst may cause laryngeal obstruction when located at the base of the tongue?
Thyroglossal tract cyst
What are the radiographic features of an aneurysmal bone cyst?
Radiographically, radiolucency, multilocular, marked cortical expansion
What is the histopathological feature of a mucous retention cyst?
Presence of thin connective tissue lining or no lining at all
Which cyst is characterized by the presence of blood-filled spaces surrounded by a fibrous connective tissue?
Aneurysmal bone cyst
Where are dermoid and epidermoid cysts most commonly located?
In the midline of the floor of mouth
What is the clinical presentation of a mucous retention cyst?
Mostly in adults, asymptomatic, soft, fluctuant swelling, appear bluish
What are the complications associated with thyroglossal tract cyst?
Dysphagia and difficulty in eating and speech
Which odontogenic cyst is lined by orthokeratinized epithelium and resembles other cysts clinically and radiographically?
Orthokeratinizing odontogenic cyst
What is the most appropriate treatment for glandular odontogenic cyst due to its potentially aggressive nature and tendency for recurrence?
En bloc resection
Which cyst is most commonly associated with nevoid basal cell carcinoma (Gorlin-Goltz) syndrome?
Odontogenic keratocyst
What is the underlying reason for the high recurrence rate of odontogenic keratocysts?
Loose attachment between epithelium & connective tissue
Which variant of the calcifying odontogenic cyst is characterized by extraosseous lesions presenting as gingival swellings?
Cystic variant
What is the key histopathologic feature of calcifying odontogenic cyst?
Accumulation of ghost cells
Learn about the radiological and histopathological features of uncommon cystic lesions of the jaws and allied structures. Understand the classification of cysts into non-odontogenic, odontogenic, inflammatory, and developmental types.
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