Amboss Surgery- Skin UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Acral lentiginous melanoma - CORRECT ANSWER - More common in dark-skinned and
asian populations
Sites: palms, soles, nailbed
Sx: irregularly shaped brown-black pigmented macule, non-tender lesion
Hutchinson's sign in subungual type--> linear dark patch that widens with time, from the nail
slow horizontal growth
Tx: surgical excision **
Breslow index (the deeper it is, the more aggressive it is)
Epidermoid cyst - CORRECT ANSWER - most common cutaneous cyst
lined by stratified squamous epithelium, contains keratin
overlying skin can't be pinched
Sx: slow growth, mobile, firm, painless nodule
on head, face, neck, back or genital area
Tx: if asymptomatic, no treatment
intralesional steroids to reduce inflammation
total surgical excision--> infection or pressure symptoms
Dermatofibroma - CORRECT ANSWER - small, skin-colored growth seen on LE
arise from the dermis, so the epidermis on top is pinchable (Fitzpatrick's sign)
Lipoma - CORRECT ANSWER - painless, slow-growing mobile nodules that are rubbery in
consistency
- made of mature fat cells
, Basal cell carcinoma - CORRECT ANSWER - most common type of skin cancer
RF: exposure to sun, chemicals, genetic factors
Sx: pearly, indurated nodular lesion with rolled border that is nontender
grows slowly
on areas of skin exposed to the sun
Dx: confirm with excisional biopsy of entire lesion
Tx: Mohs micrographic surgery
1st degree burn - CORRECT ANSWER - superficial layers of epidermis
Sx: pain, erythema, swelling, burn wound blanches with pressure
Heals in 3-6 days without scarring
Tx: topical moisturizers (Calamine lotion)
2nd degree burn - CORRECT ANSWER - 2a: superficial partial-thickness burn
-- epidermis and upper layers of the dermis
-- pain, erythema, vesicles/bullae
-- wound blanches with pressure, refills slowly
-- heals in 1-3 with hyper/hypopigmentation
2b: deep partial-thickness burn
-- deeper layers of the dermis
-- minimal pain, mottled skin, vesicles/bullae, doesn't not blanch
-- heals in 3> weeks, scar
Tx: antiseptic ointments, topical abx, dressings
3rd degree burn - CORRECT ANSWER - full thickness burn
ACTUAL Exam Questions and CORRECT
Answers
Acral lentiginous melanoma - CORRECT ANSWER - More common in dark-skinned and
asian populations
Sites: palms, soles, nailbed
Sx: irregularly shaped brown-black pigmented macule, non-tender lesion
Hutchinson's sign in subungual type--> linear dark patch that widens with time, from the nail
slow horizontal growth
Tx: surgical excision **
Breslow index (the deeper it is, the more aggressive it is)
Epidermoid cyst - CORRECT ANSWER - most common cutaneous cyst
lined by stratified squamous epithelium, contains keratin
overlying skin can't be pinched
Sx: slow growth, mobile, firm, painless nodule
on head, face, neck, back or genital area
Tx: if asymptomatic, no treatment
intralesional steroids to reduce inflammation
total surgical excision--> infection or pressure symptoms
Dermatofibroma - CORRECT ANSWER - small, skin-colored growth seen on LE
arise from the dermis, so the epidermis on top is pinchable (Fitzpatrick's sign)
Lipoma - CORRECT ANSWER - painless, slow-growing mobile nodules that are rubbery in
consistency
- made of mature fat cells
, Basal cell carcinoma - CORRECT ANSWER - most common type of skin cancer
RF: exposure to sun, chemicals, genetic factors
Sx: pearly, indurated nodular lesion with rolled border that is nontender
grows slowly
on areas of skin exposed to the sun
Dx: confirm with excisional biopsy of entire lesion
Tx: Mohs micrographic surgery
1st degree burn - CORRECT ANSWER - superficial layers of epidermis
Sx: pain, erythema, swelling, burn wound blanches with pressure
Heals in 3-6 days without scarring
Tx: topical moisturizers (Calamine lotion)
2nd degree burn - CORRECT ANSWER - 2a: superficial partial-thickness burn
-- epidermis and upper layers of the dermis
-- pain, erythema, vesicles/bullae
-- wound blanches with pressure, refills slowly
-- heals in 1-3 with hyper/hypopigmentation
2b: deep partial-thickness burn
-- deeper layers of the dermis
-- minimal pain, mottled skin, vesicles/bullae, doesn't not blanch
-- heals in 3> weeks, scar
Tx: antiseptic ointments, topical abx, dressings
3rd degree burn - CORRECT ANSWER - full thickness burn
