Genodermatosis – Friday Pop Quiz 10/4
This is a genodermatosis. Which statement is INCORRECT?
A. Nikolsky's sign can be positive.
B. Has a predilection for neck/ axillae, intertriginous areas.
C. The responsible gene is ATP2C1.
D. The responsible gene encodes a Ca2+ pump located in the sarcoplasmic reticulum.
E. Superinfection with herpes simplex virus can occur in the genital region.
To find out the correct answer …
This is a genodermatosis. Which statement is INCORRECT?
A. Nikolsky's sign can be positive.
B. Has a predilection for neck/ axillae, intertriginous areas.
C. The responsible gene is ATP2C1.
D. The responsible gene encodes a Ca2+ pump located in the sarcoplasmic reticulum.
E. Superinfection with herpes simplex virus can occur in the genital region.
To find out the correct answer … 
What is the sensitizer for this flower?
A. Sesquiterpene lactone
B. Pentadecylcatechol
C. Tuliposide A
D. Diallyl disulfide
E. Primin
To find out the correct answer and read the explanation, click here.
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This patient also has extensive oral erosions. He tells you his only new medication is dicloxacillin, which he is taking for impetigo. How many days prior to development of the pictured eruption did this patient most likely begin taking dicloxacillin?
A. Hours-2 days
B. 7-21 days
C. 21-56 days
D. 60-90 days
E. >180 days
To find out the correct answer and read the explanation … 
All of the following are true regarding the condition pictured EXCEPT:
A. Perilesional direct immunofluroescence shows granular IgA in the dermal papillae and at the dermoepidermal junction.
B. Only 20% of patients have a gluten-sensitive enteropathy.
C. It is associated with HLA-DQ2, HLA-DR3, and HLA-B8.
D. It is associated with Hashimoto's thyroiditis.
E. Cutaneous findings ar … 
Which of the following agent(s) has been most effective in treating severe ocular cicatricial pemphigoid?
A. Cyclophosphamide
B. Mycophenolate mofetil
C. Cyclophosphamide + corticosteroids
D. Cyclosporine
E. Azathioprine
To find out the correct answer and read the explanation, click here.
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