Skin

Question 1

Appropriate melanoma margins;

Answer 1

in situ–> 0.5- 1 cm

0.1–1 mm –> 1 cm

1-2 mm –> 1 or 2 cm

> 2 mm–> 2 cm

Question 2

Subungal melanoma treatment?

Answer 2

not as aggressive as once thought

no need for amputation, wide local excision ok

Question 3

What is dermatofibroma protuberans?

Answer 3

rare, soft tissue tumor

excellent survival rate

rarely mets

Question 4

Dermatofibroma protuberans stain for what marker?

Answer 4

CD34

Question 5

What margins do you need for dermatofibroma protuberans?

Answer 5

2 cm

Question 6

Why do you need 2 cm margins for dermatofibroma protuberans?

Answer 6

tend to recur

Question 7

Sentinel LN biopsy for dermatofibroma protuberans?

Answer 7

NO

Question 8

Radiotherapy for dermatofibroma protuberans?

Answer 8

very responsive to it

especially when they recur

Question 9

For locally advanced or metastatic dermatofibroma protuberans, what medicine can we use?

Answer 9

imatinib

Question 10

What tysoine kinase inhibitor can we use on dermatofibroma protuberans?

Answer 10

imatinib

Question 11

What’s merkel cell carcinoma?

Answer 11

aggressive neuroendocrine cutaneous tumor

arise from merkel cells on the skin

Question 12

Merkel cell tumors are linked to?

Answer 12

immunosuppresion

polyomavirus

Question 13

Radiation therapy for merkel cell carcinoma?

Answer 13

adjuvant radiation therapy after removal is standard of care

Question 14

Tx for merkel cell carcinoma?

Answer 14

wide local excision

post-removal radiation therapy

Question 15

These extend beyond borders of a wound;

Answer 15

keloids

Question 16

When do we performa SLND bx for melanoma?

Answer 16

recommended for all pts with melanoma thickness >1 mm

pts with 0.75- 1 mm thickness with worrying signs like ulceration, increased mitoses, positive deep margin, young pt

Question 17

Herpetic whitlow caused by?

Answer 17

HSV-1/2 of the finger

Question 18

Scaled skin syndrome results from?

Answer 18

staphylococcal, exotoxin induced detachment of the epidermal layer

Question 19

Chronic inflammatory dx affecting the apocrine gland bearing areas of axilla, groin, inguinal regions;

Answer 19

hidradenitis

Question 20

What’s Cloquet’s node?

Answer 20

node within femoral canal

bridging node between superficial and deep nodal basins

Question 21

Whats actinic keratoses?

Answer 21

red crusty lesions that often weep

precursor lesions for squamous cell carcinoma of skin

Question 22

Precursor lesion of squamous cell carcinoma of skin>?

Answer 22

actinic keratoses

Question 23

Single lesion of actinic keratoses how is it treated?

Answer 23

cryotherapy

Question 24

Regular treatment for actinic keratoses?

Answer 24

ablative, cryotherapy, chemical

Question 25

Treatment of choice for actinic keratoses?

Answer 25

cryotherapy

Question 26

Chronic wounds often arrested at what stage of wound healing?

Answer 26

inflammatory usually wound healing is arrested due to bacteria, necrosis, hypoxia

Question 27

MC skin cancer spread to duodenum?

Answer 27

melanoma

Question 28

Predominant cell in a healing wound in 24-48 hrs?

Answer 28

neutrophils

Question 29

when do we see macrophages in wound healing?

Answer 29

48-96 hrs