A 23-year-old man presents to the GP for a one-week history of slightly pruritic rash. He is afebrile. Past medical history is unremarkable. His aunt has rheumatoid arthritis. A photograph of the patient’s back is shown.
Which of the following is the most likely explanation for these findings?
Autoimmune
Bacterium
Fungus
Helminth
Parasite
Virus
—
Cut-to-the-chase Answer (0:41):
—
HY USMLE Answer (5:06):
