General Surgery: Dermatology

Question 1

What kind of rash would be caused by zinc deficiency?

Answer 1

perioral pustular rash

Question 2

This presents classically with vesicular lesions which develop unilaterally in a dermatomal pattern

Answer 2

herpes zoster

Question 3

this usually presents with multiple (more than five) involved joints, fever, lymphadenopathy, hepatosplenomegaly, rash, subcutaneous nodules, and pericarditis.

Answer 3

systemic rheumatoid disease (still’s disease)

Question 4

Patient will present as → a 45-year-old fair-skinned woman who is concerned about a “pink mole” on her cheek. On physical examination you note a 7 mm pearly papular lesion on the right cheek with surface telangiectasias, rolled border and a central erosion.

Answer 4

basal cell carcinoma

Question 5

The most common presentation for this disease is a papule or nodule that may have a scab or erosion in addition the pearly papule, erythematous patch > 6 mm, or non healing ulcer, in sun-exposed areas (face, trunk, lower legs)

Answer 5

basal cell carcinoma

Question 6

this type of cancer is most common in fair-skinned individuals with a hx of sun exposure

Answer 6

basal cell carcinoma

Question 7

This type of burn will present as erythema of involved tissue, skin blanches with pressure, the skin may be tender

Answer 7

1st degree burn (sunburn)

Question 8

this type of burn will present as red and blistered skin, the skin is very tender

Answer 8

2nd degree burn (partial thickness)

Question 9

This type of burn will present as tough and leathery burned skin. Skin is non-tender

Answer 9

3rd degree burn (full thickness)

Question 10

Children with > ** total body surface area and adults with > **% total body surface area burns need formal fluid resuscitation

Answer 10

10, 15

Question 11

Patient will present as → a 64-year-old female with a 4 cm × 7 cm edematous, red, hot tender area on the left thigh. The lesion has gotten larger over the past 6 hours. She tells you she has also had a low-grade fever and some chills. On physical exam, there is a poorly demarcated 12cm red and tender plaque on her right calf. Some parts resemble an orange peel. There is a superficial cut in the middle of the plaque.

Answer 11

Cellulitis

Question 12

what bacteria causes cellulitis in adults and in children?

Answer 12

adults: S. aureus, group A strep

children: H. influenza or strep pneumonia

Question 13

How do you treat mild cellulitis (MSSA)?

Answer 13

Cephalexin or dicloxacillin

Question 14

how do you cellulitis caused by MRSA?

Answer 14

Trimethoprim-sulfamethoxazole (TMP-SMZ)

Clindamycin

Doxycycline

IV Vanc

Question 15

Patient will present as → a 67-year-old man of Irish descent who presents to your dermatology clinic for the first time. When asked why he was referred to the clinic, the patient reports that his wife has been nagging him to have his skin checked for years. On exam, you notice an asymmetric, elevated, blue-tinged lesion with irregular, scalloped borders on his shoulder. When discussing the risk factors for skin malignancy, the patient proudly asserts that he was a lifeguard in Australia for 15 years from his late teens to his early 30s.

Answer 15

melanoma

Question 16

Patient will present as → a 63-year-old male who comes to your office for a lesion on his lip of 8-10 months duration. His past medical history is significant for multiple actinic keratoses, treated with cryotherapy. On physical exam, you note a scaly, crusted, keratotic nodule about one cm diameter on the lateral part of the lower lip.

Answer 16

squamous cell carcinoma

Question 17

this disease arises from epidermal keratinocytes. presents as enlarging hyperkeratotic macule, scaly, or crusted lumps. They usually arise within pre-existing actinic keratosis

Answer 17

squamous cell carcinoma

Question 18

What are risk factors for basal cell carcinoma?

Answer 18

UV exposure and past hx of squamous cell carcinoma