CLS Vascular Lesion Treatment 2

Question 1

Which laser wavelength is preferred for treating deeper leg veins due to its greater tissue penetration depth?

Accepted Answer

1064 nm (Nd:YAG)

Answer

532 nm (KTP)

Answer

585 nm (PDL)

Answer

694 nm (Ruby)

Question 2

Which cooling method provides the most consistent and synchronized epidermal protection during vascular laser treatments?

Accepted Answer

Dynamic cooling device (DCD) with cryogen spray

Answer

Ice pack applied before treatment

Answer

Room-temperature contact gel only

Answer

Fan-based air cooling between pulses

Question 3

Port wine stains (nevus flammeus) are correctly classified as which type of vascular anomaly?

Accepted Answer

Capillary malformations

Answer

Vascular tumors (hemangiomas)

Answer

Venous malformations

Answer

Lymphatic malformations

Question 4

Which Fitzpatrick skin type presents the greatest challenge during vascular laser treatment due to competing chromophore absorption?

Accepted Answer

Types V–VI

Answer

Type I

Answer

Type II

Answer

Type III

Question 5

For treating small facial telangiectasias (approximately 0.1–0.3 mm in diameter), what is the appropriate pulse duration range based on thermal relaxation time?

Accepted Answer

1–10 milliseconds

Answer

1–10 microseconds

Answer

50–100 milliseconds

Answer

200–500 milliseconds

Question 6

Cherry angiomas (senile angiomas) are most effectively treated with which laser or light source?

Accepted Answer

KTP 532 nm or PDL 585/595 nm

Answer

CO2 ablative laser at high fluence

Answer

Fractional Er:YAG resurfacing laser

Answer

Long-pulsed Nd:YAG 1064 nm exclusively

Question 7

What post-treatment response is considered normal and expected after PDL treatment of vascular lesions and should be communicated during patient counseling?

Accepted Answer

Purpura (bruising) lasting 7–14 days

Answer

Immediate permanent blanching with no residual discoloration

Answer

Immediate vesiculation and crusting within hours

Answer

Hyperpigmentation appearing within 24 hours