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iii. injections and lasers > Lid Anatomy and Benign Lesions (F) > Flashcards

Lid Anatomy and Benign Lesions (F) Flashcards

1
Q

What is considered to be the anterior lamellae?

A

skin + orbicularis

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2
Q

What is considered to be the posterior lamellae?

A

septum + posterior structures

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3
Q

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

A
  1. lid swelling without pain

2. medrol dose pack

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4
Q

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

A
  1. moves more

2. harder (short blades)

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5
Q

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

A
  1. stable

2. easy (long blades)

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6
Q

Should incisions be made with or against the skin lines?

A

with

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7
Q

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

A

at least 2mm

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8
Q

What percentage of eyelid lesions are benign?

A

75 to 80%

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9
Q

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

A

acanthosis

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10
Q

What is the thickening or keratin layer called?

A

hyperkeratosis

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11
Q

What is an anomalous cell nuclei called?

A

atypia

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12
Q

What is premature keratinization called?

A

dyskeratosis

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13
Q

What is a proliferation or subepidermal papillae called?

A

papillomatosis

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14
Q

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

A

parakeratosis

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15
Q

What are the types of benign cysts?

A
  1. sebaceous
  2. Moll (fluid) hidrocystoma
  3. Zeiss (lipid)
  4. epithelial inclusion cycts (milia) keratitin
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16
Q

What are the types of epithelial hyperplasias?

A
  1. squamous papilloma
  2. skin tag
  3. seborrheic keratosis
  4. verucca
  5. cutaneous horn (hyperkeratosis)
17
Q

What are eyelid papillomas likely due to?

A

HPV

18
Q

What are eyelid veruca vulgaris likely due to?

A

HPV

19
Q

What are the precancer lesions of the lid?

A
  1. acitinic keratosis
  2. keratoacanthoma
  3. carcinoma in situ (Bowens disease)
20
Q

What are the cancer lesions of the lid?

A
  1. BCC
  2. SCC
  3. melanoma
  4. sebaceous gland carcinoma
21
Q

What are the lesion qualities to watch for?

A
  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)
22
Q

What percentage of acitinic keratosis become SCC?

A

13%

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