What is the most likely cause of this infection?
A. T. tonsurans
B. T. schoenleinii
C. M. canis
D. T. mentag
E. T. rubrum
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Which of the following is the most likely diagnosis in this 56-year-old woman with pruritic hair loss for 3 months?
A. Lichen planopilaris
B. Androgenetic alopecia
C. Central centrifugal cicatricial alopecia
D. Discoid lupus erythematosus
E. Folliculitis decalvans
F. Alopecia areata
To find out the correct answer and read the explanation, click here. … 
An otherwise healthy 50-year-old male presents with the pictured neoplasm on his trunk. Biopsy reveals melanoma, 2.3mm, ulcerated. Wide local excision and sentinel lymph node biopsy is performed, which is negative. What is the best next step?
A. Observation with skin checks q3 months and symptom-guided imaging
B. Adjuvant pembrolizumab
C. Adjuvant dabrafenib + trametinib
D. Adjuv … 
What trichoscopic finding in the pictured condition is associated with the most favorable prognosis?
A. Yellow dots
B. White dots
C. Loss of follicular ostia
D. Perifollicular erythema
E. Peripilar casts
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… 
A 50-year-old-male presents to clinic with a pruritic, linear distributed rash that has been present for two weeks without any other involvement (such as scalp or nails). On examination, there is a linearly arranged eczematous papular eruption on the right flank. What is the best diagnosis?
A. Blaschkitis
B. Psoriasis (linear)
C. Herpes simplex
D. Factitial condition
E. Linear l …