AGD Oral Diagnosis and Pathology 2

Question 1

A 45-year-old patient presents with a painless, firm swelling on the hard palate that has been present for years. Radiograph shows no bone destruction. The most likely diagnosis is:

Accepted Answer

Pleomorphic adenoma

Answer

Pleomorphic adenoma is the most common benign salivary gland tumor, frequently presenting as a slow-growing, painless firm mass on the hard palate.

Question 2

Which histologic feature is MOST characteristic of oral lichen planus?

Accepted Answer

Civatte bodies and band-like lymphocytic infiltrate

Answer

Oral lichen planus shows characteristic Civatte (colloid) bodies and a band-like subepithelial lymphocytic infiltrate at the basement membrane zone.

Question 3

A patient presents with multiple radiolucent lesions in the jaw and a history of multiple basal cell carcinomas of the skin. This presentation is consistent with:

Accepted Answer

Gorlin-Goltz syndrome

Answer

Gorlin-Goltz (nevoid basal cell carcinoma) syndrome is characterized by multiple odontogenic keratocysts, multiple basal cell carcinomas, and skeletal anomalies.

Question 4

The 'strawberry gingivitis' pattern with granulomatous inflammation is most associated with which systemic condition?

Accepted Answer

Wegener granulomatosis (GPA)

Answer

Granulomatosis with polyangiitis (Wegener's) classically produces strawberry-like hyperplastic gingivitis with a granulomatous histology.

Question 5

A ranula that dissects through the mylohyoid muscle into the neck is termed:

Accepted Answer

Plunging ranula

Answer

A plunging ranula occurs when mucous extravasation from the sublingual gland herniates through the mylohyoid muscle to present as a neck mass.

(AGD) Academy of General Dentistry Certification Practice Test

(AGD) Academy of General Dentistry Certification Practice Test

AGD Oral Diagnosis and Pathology 2