Lid Anatomy and Benign Lesions (F)

Question 1

What is considered to be the anterior lamellae?

Answer 1

skin + orbicularis

Question 2

What is considered to be the posterior lamellae?

Answer 2

septum + posterior structures

Question 3

What are the patient complaints for lid angioedema? 1. What is the treatment? 2

Answer 3

1. lid swelling without pain

2. medrol dose pack

Question 4

When a tissue has low sectility, does it move around a lot or is it more stable? 1. Is it easier or harder to cut? 2

Answer 4

1. moves more

2. harder (short blades)

Question 5

When a tissue has high sectility, does it move around a lot or is it more stable? 1. Is it easier or harder to cut? 2

Answer 5

1. stable

2. easy (long blades)

Question 6

Should incisions be made with or against the skin lines?

Answer 6

with

Question 7

How far away from the margin should you always be with lid surgeries?

Answer 7

at least 2mm

Question 8

What percentage of eyelid lesions are benign?

Answer 8

75 to 80%

Question 9

What is an increase in cell layers (epidermis) called?

Answer 9

acanthosis

Question 10

What is the thickening or keratin layer called?

Answer 10

hyperkeratosis

Question 11

What is an anomalous cell nuclei called?

Answer 11

atypia

Question 12

What is premature keratinization called?

Answer 12

dyskeratosis

Question 13

What is a proliferation or subepidermal papillae called?

Answer 13

papillomatosis

Question 14

What is a retention of nuclei in the stratum corneum called?

Answer 14

parakeratosis

Question 15

What are the types of benign cysts?

Answer 15

1. sebaceous
2. Moll (fluid) hidrocystoma
3. Zeiss (lipid)
4. epithelial inclusion cycts (milia) keratitin

Question 16

What are the types of epithelial hyperplasias?

Answer 16

1. squamous papilloma
2. skin tag
3. seborrheic keratosis
4. verucca
5. cutaneous horn (hyperkeratosis)

Question 17

What are eyelid papillomas likely due to?

Answer 17

HPV

Question 18

What are eyelid veruca vulgaris likely due to?

Answer 18

HPV

Question 19

What are the precancer lesions of the lid?

Answer 19

1. acitinic keratosis
2. keratoacanthoma
3. carcinoma in situ (Bowens disease)

Question 20

What are the cancer lesions of the lid?

Answer 20

1. BCC
2. SCC
3. melanoma
4. sebaceous gland carcinoma

Question 21

What are the lesion qualities to watch for?

Answer 21

1. A (asymmetric, abnormal blood vessels)
2. B (borders, bleeding)
3. C (multiple colors, changes in size)
4. D (diameter of greater than 5mm)
5. E (elevation, evolution)
6. H (hair loss)

Question 22

What percentage of acitinic keratosis become SCC?

Answer 22

13%