ETP- dermatology quiz Flashcards
(5 cards)
A 43-year-old man presents to your clinic with sudden hair loss after a stressful event (divorce and move away from his family). You suspect that he has alopecia areata.
Choose the TRUE statement about the course of alopecia areata.
Question 1 Answer
a.
Hair loss is symmetrical, with usual areas being affected including the temples and crown
b.
Hair loss tends to occur 1-3 weeks after the stressful event
c.
Hair loss tends to be permanent in affected areas
d.
Hair loss is patchy with affected areas clearly separated from non-affected areas
d.
Hair loss is patchy with affected areas clearly separated from non-affected areas
A 36-year-old woman presents with itchy (pruritic) polygonal-shaped papules that are purple-coloured and occur mostly over the hands and feet. You suspect that your patient has lichen planus.
What other anatomical site can lichen planus occur in?
Question 2 Answer
a.
within the middle ear
b.
oral mucosa
c.
associated with the hair follicle
d.
peri-anal
b.
oral mucosa
A 42-year-old woman presents to your clinic with a nevus on her back that has spots of black, brown and red in it. It is approximately 8 mm at its widest diameter. You suspect a melanoma.
Which of the following is NOT part of the ABCD criteria for defining a dysplastic nevus?
Question 3 Answer
a.
Depth
b.
Asymmetry
c.
Borders
d.
Delta (change)
a.
Depth
Your 60-year-old patient presents with a yellow-ish deposit over the edge of his eyelid (lateral canthus) that he noticed about a year ago, and it has not regressed or changed. On examination, you conclude that this is a xanthoma.
What is a xanthoma composed of?
Question 4 Answer
a.
Lipid-filled macrophages
b.
Disorganized nests of fibroblasts and fibrocytes
c.
Involuted growths of keratinocytes
d.
Vascularized connective tissue
a.
Lipid-filled macrophages
A 50-year-old man presents with a pearly-appearing papule on the edge of his nose. The papule is translucent on its surface and small telangiectasias can be seen below the surface. It has regular borders and has not changed significantly in years. You refer to a dermatologist for biopsy, and it is confirmed to be a malignant tumour.
What is the most likely diagnosis?
Question 5 Answer
a.
basal cell carcinoma
b.
cutaneous T-cell lymphoma
c.
squamous cell carcinoma
d.
melanoma
a.
basal cell carcinoma
