MFDS Oral Medicine & Pathology 2

Question 1

Which condition is characterised by multiple dentigerous cysts, odontogenic keratocysts and calcifying jaw cysts as part of a syndrome?

Accepted Answer

Gorlin-Goltz syndrome

Answer

Gorlin-Goltz syndrome (naevoid basal cell carcinoma syndrome) is caused by PTCH1 mutation and includes multiple OKCs, basal cell carcinomas and skeletal anomalies.

Question 2

Ranula is a mucocele arising from which gland?

Accepted Answer

Sublingual gland

Answer

A ranula is a pseudocyst (extravasation mucocele) arising from the sublingual gland, producing a bluish, fluctuant swelling in the floor of the mouth.

Question 3

Cotton wool appearance on radiographs is characteristic of which condition?

Accepted Answer

Paget's disease of bone

Answer

Paget's disease in the remodelling (mixed) phase produces a characteristic 'cotton wool' or 'ground glass' radiographic appearance due to disorganised woven bone formation.

Question 4

Which marker is elevated in Sjögren's syndrome and is used diagnostically?

Accepted Answer

Anti-Ro (SSA) and Anti-La (SSB)

Answer

Anti-Ro (SSA) and Anti-La (SSB) antibodies are characteristic of Sjögren's syndrome and form part of the international diagnostic criteria for the condition.

Question 5

Koplik's spots in the oral mucosa are a prodromal feature of:

Accepted Answer

Measles

Answer

Koplik's spots (bluish-white spots on a red background on the buccal mucosa opposite the molars) appear 1–2 days before the skin rash of measles.

MFDS Part 1 Practice Test

MFDS Part 1 Practice Test

MFDS Oral Medicine & Pathology 2