Skin Sx

Question 1

MC skin cancers

• _______: 50% of cases
• ______: 25% of cases
• ________≥15% of cases (incidence is rising)

Answer 1

Basal cell carcinoma
Squamous cell carcinoma
Melanoma:

Question 2

________ may show up as a raised waxy lesion or as a nonhealing ulcer. It has a preference for the upper part of the fac

Answer 2

Basal cell carcinoma

Question 3

Characteristic lesion of Basal cell carcinoma

Answer 3

relentless local invasion (“rodent ulcer”).

Question 4

TX of Basal cell carcinoma

Answer 4

Local excision with negative margins (1 mm is enough) is curative, but other lesions may develop later

Question 5

_______ of the skin shows up as a nonhealing ulcer, has a preference for the lower lip (and territories below a line drawn across the lips), and can metastasize to lymph
nodes

Answer 5

Squamous cell carcinoma

Question 6

Melanoma characteristics

Answer 6

• Asymmetric (A)
• Irregular borders (B)
• Different colors (C) within the lesion
• Diameter (D) >0.5 cm

Question 7

______ should also be suspected in any pigmented lesion that changes in any way (grows,
ulcerates, changes color and/or shape, bleeds, etc.)

Answer 7

Melanoma

Question 8

The prognosis of melanoma is directly related to

the ___________

Answer 8

thickness or depth of invasion (Breslow measurement);

Question 9

Lesions <1 mm in depth have a good prognosis and require only local excision with
_______

Answer 9

1 cm margins.

Question 10

Deeper lesions (>2 mm) require excision with_____

Answer 10

wide margins (2 cm).

Question 11

_____ is the current adjuvant systemic

therapy for high-risk melanoma.

Answer 11

Interferon