intro to odontogenic cysts and tumors

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Questions and Answers

What is the origin of odontogenic keratocysts?

Dental pulp
Rests of Malassez
Dental enamel
Epithelial rests of Serres (Remnants of dental lamina) (correct)

Which type of cyst is associated with nevoid basal cell carcinoma syndrome?

Periapical cysts
Medulloblastoma
Lateral periodontal cysts
Odontogenic keratocysts (correct)

What is the treatment for odontogenic keratocysts?

Enucleation with curettage (correct)
Radiotherapy
Extraction of associated teeth
Chemotherapy

What is the recurrence rate of odontogenic keratocysts?

2% (C) Signup and view all the answers

What is the soft tissue counterpart of lateral periodontal cysts?

Gingival cyst of adults (D) Signup and view all the answers

What is an uncommon developmental cyst along the lateral root surface?

Lateral periodontal cysts (B) Signup and view all the answers

What is the origin of lateral periodontal cysts?

Epithelial rests of Serres (C) Signup and view all the answers

What is a complication of untreated odontogenic keratocysts?

Meningioma (D) Signup and view all the answers

What is the name of the cyst associated with the root of a nonvital tooth?

Periapical cyst (B) Signup and view all the answers

Which of the following is NOT a type of periapical lesion?

Ameloblastoma (D) Signup and view all the answers

What is the name of the lesion that can mimic a periapical cyst in its early stages?

Cemento-osseous dysplasia (A) Signup and view all the answers

Which type of cyst is typically unilocular and surrounds the crown of an unerupted tooth?

Dentigerous cyst (A) Signup and view all the answers

What is the name of the tumor that can arise from the rests of Malassez?

Ameloblastoma (D) Signup and view all the answers

Which of the following is a characteristic of a periapical cyst?

It is of inflammatory origin (D) Signup and view all the answers

What is the name of the lesion that is composed of a mixture of cementum and bone?

Cemento-osseous dysplasia (D) Signup and view all the answers

Which of the following lesions can have a similar radiographic appearance to a periapical cyst?

All of the above (D) Signup and view all the answers

What is the soft tissue counterpart of a dentigerous cyst also known as?

Eruption cyst (D) Signup and view all the answers

What is the origin of a dentigerous cyst?

Rests of Serres (dental lamina remnants) (C) Signup and view all the answers

Which of the following is associated with nevoid basal cell carcinoma syndrome?

Keratocystic odontogenic tumor (A) Signup and view all the answers

What is the genotype associated with nevoid basal cell carcinoma syndrome?

PTCH1 mutations (C) Signup and view all the answers

What is the central giant cell granuloma characterized by?

A reactive lesion with giant cells and fibrous tissue (B) Signup and view all the answers

What is the typical location of a periapical cyst?

Associated with the roots of a tooth (A) Signup and view all the answers

What is cemento-osseous dysplasia characterized by?

A lesion with cementum and bone formation (D) Signup and view all the answers

What is an ameloblastoma characterized by?

A odontogenic tumor with ameloblastic epithelium (B) Signup and view all the answers

What is the name of the syndrome associated with multiple odontogenic keratocysts?

Gorlin-Goltz Syndrome (C) Signup and view all the answers

What is the name of the publication where the information about Gorlin-Goltz syndrome was downloaded from?

Orphanet Journal of Rare Diseases (B) Signup and view all the answers

What is the name of the license under which the publication about Gorlin-Goltz syndrome is available?

CC BY-NC-SA 3.0 (D) Signup and view all the answers

What is the name of the publication where the case report about Gorlin-Goltz syndrome was published?

Cureus (C) Signup and view all the answers

What is the name of the anomaly associated with Gorlin-Goltz syndrome?

Calcified falk cerebri (C), RIB anomalies (D) Signup and view all the answers

What is the name of the article where the information about Gorlin-Goltz syndrome was accessed from?

Gorlin-Goltz Syndrome: A Case Report and Literature Review (C) Signup and view all the answers

What is the name of the authors who published an article about Gorlin-Goltz syndrome in Cureus?

Al-Jarboua M N, Al-Husayni A H, Al-Mgran M (D) Signup and view all the answers

In which year was the article about Gorlin-Goltz syndrome published in Case Reports in Dentistry?

2012 (D) Signup and view all the answers

What is the characteristic feature of periapical cysts?

Presence of stratified squamous epithelium (D) Signup and view all the answers

Which of the following is a type of odontogenic keratocyst?

Gorlin cyst (C) Signup and view all the answers

What is the characteristic histological feature of ameloblastoma?

Presence of ameloblastic Islands (A) Signup and view all the answers

What is the most common type of cemento-osseous dysplasia?

Focal cemento-osseous dysplasia (C) Signup and view all the answers

What is the characteristic radiological feature of central giant cell granuloma?

Multilocular radiolucency (B) Signup and view all the answers

What is the most common location of periapical cysts?

Posterior teeth (C) Signup and view all the answers

What is the treatment for unicystic ameloblastoma?

Enucleation with Carnoy's solution (D) Signup and view all the answers

What is the risk of malignant transformation of ameloblastoma?

1-5% (B) Signup and view all the answers

Study Notes

Gorlin Syndrome

Gorlin syndrome is a genetic disorder characterized by PTCH1 mutations.
It is also known as nevoid basal cell carcinoma syndrome (NBCCS).
The syndrome is associated with various neoplasms, including basal cell carcinomas, medulloblastomas, and ovarian fibromas.

Meningioma

Meningioma is a type of tumor that occurs in the meninges, the protective membranes surrounding the brain and spinal cord.
It is associated with Gorlin syndrome.
Tx: enucleation with curettage; Px: ~2% recurrence.

Odontogenic Lesions

Odontogenic lesions are abnormalities that originate from the dental lamina or its remnants.
Examples include dentigerous cysts, lateral periodontal cysts, and keratocystic odontogenic tumors.

Dentigerous Cyst

A dentigerous cyst is a type of odontogenic cyst that forms around the crown of an impacted tooth.
It is the most common type of odontogenic cyst.
Origin: rests of Serres (remnants of dental lamina).

Lateral Periodontal Cyst

A lateral periodontal cyst is a type of odontogenic cyst that forms along the lateral root surface of a tooth.
It is an uncommon developmental cyst.
Origin: rests of Serres (remnants of dental lamina).

Keratocystic Odontogenic Tumor

A keratocystic odontogenic tumor is a type of odontogenic tumor that forms from the remnants of the dental lamina.
It can be isolated or associated with Gorlin syndrome.
Origin: rests of Serres (dental lamina remnants).

Eruption Cyst

An eruption cyst is a type of odontogenic cyst that forms over an erupting tooth.
Also known as "eruption hematoma".
Origin: rests of Serres (dental lamina remnants).

Periapical Cyst

A periapical cyst is a type of odontogenic cyst that forms at the apex of a nonvital tooth.
Tx options: enucleation with curettage.

Odontogenic Tumors

Odontogenic tumors are neoplasms that arise from the odontogenic apparatus.
Examples include ameloblastoma, unicystic ameloblastoma, and ameloblastic carcinoma.

Ameloblastoma

An ameloblastoma is a type of odontogenic tumor that forms from the enamel organ.
It can be unicystic or solid.
Tx: enucleation with curettage.

Unicystic Ameloblastoma

A unicystic ameloblastoma is a type of odontogenic tumor that forms from the enamel organ.
It is a rare variant of ameloblastoma.
Tx: enucleation with curettage.

Ameloblastic Carcinoma

An ameloblastic carcinoma is a type of odontogenic tumor that forms from the enamel organ.
It is a rare and aggressive tumor.
Tx: surgical resection.

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