Red Lesions

Question 1

Why are lesions red in colour?

Answer 1

This can be due to:
- blood flow increasing through tissues due to inflammation or dysplasia

or

reduced thickness of epithelum making CT and underlying BVs more visible

Question 2

Why may blood flow through tissues increase?

Answer 2

Inflammation
Dysplasia

Question 3

When are we concerned in terms or oral lesion?

Answer 3

When there is no obvious cause and there is swelling present

Question 4

What does dysplasia cause?

Answer 4

Increased vasculatiry

Question 5

Describe denture red lesions?

Answer 5

We can get red lesions from dente wearing - can be related to denture hygiene, candida (acute atrophic candidiasis - denture stomatitis)

Question 6

When would a red lesion likely caused by a denture be a red flag?

Answer 6

When only part of ridge is affected rather than whole denture bearing area - will need biopsied

Question 7

What is geographical tongue?

Answer 7

This is when the tongue has red lesions with white margin surrounded - changes in pattern over time and returns to normality often

Question 8

Why may the palate be red in edentulous pt?

Answer 8

If denture is rubbing, being worn overnight, if denture is old and ridge has resorbed but palatal bone remains same so it takes all traumatic force denture

Question 9

What is erythroplakia?

Answer 9

This is an area of unexplained red change in mucosa - no obvious cause for lesion - mores us than leukoplakia and requires biopsy

Question 10

Why can lesions be blue?

Answer 10

Lesion colour are often related to blood flow, if the blood is slower moving in varicosities then it appears blue and is often seen under tongue

Question 11

What are blue lesions within the mucosa often known as?

Answer 11

Haemangiomas

Question 12

What is a lesion filled with saliva known as?

Answer 12

Mucocele

Question 13

What is lesion filled with lymph known as?

Answer 13

Lymphangioma

Question 14

What do red lesions commonly contain?

Answer 14

Blood

Question 15

What do blue lesions commonly contain?

Answer 15

Other fluid - can be saliva or clear fluids

Question 16

What is a vascular hameratoma?

Answer 16

This is a lesion that increases and reduces in size, red lesion, friable, very red

Question 17

What happens to sizes of malignant lesions?

Answer 17

Increases only

Question 18

What is a haemangioma?

Answer 18

Blue lesion related to blood with in the tissue

Question 19

If hamangioma is blue what does this mean?

Answer 19

Its a cavernous haemangioma that has blood in spaces and is slow moving and rapidly deoxygenated

Question 20

What is a lymphangioma?

Answer 20

noncancerous fluid-filled cysts that form in children, often on the head and neck. These cysts form when lymph fluid backs up and doesn’t flow normally through tissues.

Question 21

What is a haemangioma?

Answer 21

collection of small blood vessels that form a lump under the skin - vascular lesion

Question 22

What is a cavernous hameangioma?

Answer 22

cavernous hemangioma happens when capillaries – small blood vessels that connect arteries and veins – swell and form a noncancerous mass called an angioma

Question 23

What are some types of vascular disease?

Answer 23

Large vessel disease - giant cell arteritis

medium vessel disease - Kawasaki disease

small vessel disease - granulomatosis