Cutaneous Malignancies

Question 1

M/c cutaneous neoplasm

Answer 1

BCCa

Question 2

When BCCa’s are located in these areas, they tend to be more aggressive and have a higher risk of recurrence

Answer 2

Embryonic fusion planes (“H” zone)

• Nasolabial folds
• Floor of nose
• Columella
• Preauricular regions
• Inner and outer canthus of eye

Question 3

Types of BCCa

Answer 3

• Nodular (m/c type)
• Superficial (rare in H&N, usu extremities)
• Morphea
• Pigmented
• Fibroepithelioma

Question 4

Nodular BCCa

Answer 4

Pearly, telangiectatic papule
Central ulceration
Rolled at the base
m/c type

Question 5

Margins for BCCa excision

Answer 5

4 mm

Question 6

Nevoid Basal Cell Carcinoma Syndrome (Gorlin’s Syndrome)

Answer 6

• Auto Dom
• Multiple BCCa at early age
• Odontogenic keratocyst
• Rib abnlities (bifid ribs)
• Scoliosis
• MR
• Frontal bossing

Question 7

How does BCCa extend

Answer 7

Peripherally,not vertically

Question 8

How does SCCa extend

Answer 8

Vertically

Question 9

Types of SCCa

Answer 9

• Solar Keratosis
• Spindle cell
• Adenoid
• Verrucous
• Bowen’s disease

Question 10

What is bowen’s disease?

Answer 10

Erythematous patch or plaque, may have scales, noninvasive

-carcinoma in situ

Question 11

Margins for SCCa excision

Answer 11

Early dz: 4-6 mm

Advanced dz: 1-2 cm