Photodamage/Cosmetic Surgery Flashcards

1
Q

Which lipid abnormality causes eruptive xanthomas?

A

Elevated Triglycerides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What condition can be associated with patients who have xanthelasma and normal lipid levels?

A

Sebaceous hyperplasia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

This condition is caused by metabolic breakdown of lipids with deposition in the skin

A

Xanthelasma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How can you cosmetically destroy xanthomas?

A

Trichloacetic acid 70%, cryotherapy and CO2 or Q switched Nd:YAG laser

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

An appropriate treatment for telangiectasia is?

A

Intense Pulsed Dye Laser

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Telangiectasias would most likely be observed in:

A

Patients with history of significant sun exposure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which twrm describes a telangiectasia area that appears S a central lesion with “legs” radiating from the center?

A

Stellate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Key difference between a lentigo and ephelid is

A

Ephelides will fade in the absence of UV light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Solar lentigos are most commonly seen in

A

Caucasians

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Puetz-Jefferson Sybdrome is associated with

A

Intestinal polyps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Reticulated reddish brown dyspigmented areas located on the anterior and lateral aspects of the neck sparing the area under the chin describes

A

Poikiloderma of Civatte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

A 57 year old Caucasian male with long history of outdoor employment presents with complaints of acne. Physical exam notes general facial elastosis, open/closed comedones with keratitis material located in the temples and periocular areas. The appropriate diagnosis is

A

Favre-Racouchot

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Elastosis would be noted in an elderly make with years of accumulated sun exposure in which locations

A

Back of neck, photo distributed pattern

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

First line treatment for elastosis is

A

Broad spectrum sunscreen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Second line treatment for elastosis is

A

Topical retinoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Tuberose xanthomas would be located on

A

Elbows

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

This laser targets water of soft tissue to vaporize tissue and mostly involves the epidermis

A

Ablative

18
Q

This type of laser has a high risk for infection, scarring, pigment changes and more downtime

A

Ablative

19
Q

This type of laser mostly involves the dermis and collagen, targets water of soft tissue without vaporizing tissue

A

Non-ablative

20
Q

This type of laser involves both the dermis and epidermis. Treats small islands of epidermis compared to a continuous wave of destruction.

A

Fractionated CO2

21
Q

What patients should be excluded from laser treatment?

A

History of keloids/scarring, oral isotretinoin within past year, ectropion, Connective Tissue Disease and morphea

22
Q

What colors are the easiest to remove with tattoo removal?

A

Dark blue and black

23
Q

What is the mechanism of action for botulinum toxin type A?

A

Inhibits the release of acetylcholine in peripheral nerves into neuromuscular junction. Results in inability for muscle to contract.

24
Q

What botulinum toxin type A injection is approved for BOTH glabella line and lateral canthal lines?

A

Onabotulinumtoxin A (Botox)

25
Q

Leakage into what muscle can cause ptosis?

A

Frontalis

26
Q

Botox is contraindicated in what patients

A

Prior history if muscle weakness. Motor neuron disease, myasthenia Gravis, infection near the area to be injected

27
Q

Abotulinumtoxin A is contraindicated in patients with

A

Allergy to cow’s milk due to use of bovine protein

28
Q

Treatment for eyelid ptosis includes

A

Alpha-andrenergic eye drops (0.5% apraclonidine)

29
Q

Dermal fillers are only approved for

A

Lip and cheek augmentation for individuals over the age of 21.

30
Q

What is not FDA approved for fillers?

A

Silicone, under eye areas, large scale body contouring

31
Q

Examples of biodegradable filler

A

Hyaluronic acid, calcium hydroxyapatite, poly-l-lactic acid

32
Q

Non biodegradable filler

A

Polyethylene methacrylate microspheres (PMMA)

33
Q

Absolute contraindications for filler

A

Active skin infection, hypersensitivity to filler, connective tissue disease, graft vs hose, hoshimoto’s disease, hemophilia, thalassemia, anticoagulant therapy, pregnancy, breast feeding

34
Q

What causes early onset of granulomas from filler

A

Usually injection technique

35
Q

Delayed nodules following filler are usually caused by

A

Inflammatory reactions and may require hyaluronidase, lidocaine or massage

36
Q

Sudden onset of skin color changes i.e. white blotching with severe pain indicates what when doing filler injections?

A

Arterial occlusion

37
Q

Delayed onset with color changes of red/blue coloring after filler injection indicates what?

A

Venous occlusion

38
Q

Treatment of vascular compromise with filler includes:

A

Warm compress to promote vasodilation, flooding area with hyaluronidase, doppler/ultrasound to assess damage, daily injections of hyaluronidase

39
Q

What chemical peels done at 2-4 week intervals treat melasma?

A

Trichloroacetic acid, glycolic acid and alpha-hydroxyl acids

40
Q

What lasers treat melasma?

A

Non-ablative fractional laser, PDL, IPL, Nd:YAG