Oral Med Past papers

Question 1

A patient has brown/grey pigmentation in their oral cavity, give 3 local causes (3)

Answer 1

• Amalgam tattoo
• Melanotic macule
• Melanotic naevus
• Melanotic melanoma
• Pigmentary incontinence
• Kaposi’s sarcoma
• Peutz-jehger’s syndrome

Question 2

A patient has brown/grey pigmentation in their oral cavity, give 3 generalised causes (3)

Answer 2

• smoking
• drugs
• racial pigmentation
• Addisons disease

Question 3

You refer a patient to oral med and the biopsy confirms that it is a haemanginoma. Name 2 types of haemanginomas

Answer 3

• Cavernous haemanginoma
• capillary haemanginoma

Question 4

give 2 histological differences between cavernous haemanginoma and capillary haemanginoma

Answer 4

in cavernous haemanginoma histological analysis will show large pools/spaces filled with blood which are lined by a single layer of endothelial cells and separated by a fibrous stroma

in capillary haemanginomas there are many lobules separated by thin septa containing clusters of thin walled capillaries lined with single layer of endothelial cells