Nokea
A patient presents with a rash characterized by erythematous papules and vesicles arranged in a linear distribution. Which of the following conditions is most likely responsible for this presentation?
Correct Answer: C
Rationale: Scabies is a contagious skin infestation caused by the Sarcoptes scabiei mite. The classic presentation of scabies includes a rash characterized by erythematous papules and vesicles that are arranged in a linear or burrow-like distribution. These linear tracks are often seen in areas such as the interdigital spaces, wrists, elbows, axillae, belt line, and genitalia. It is commonly associated with intense itching, especially at night. Unlike psoriasis, which presents with silvery scales and well-defined borders, or contact dermatitis, which results from exposure to a specific allergen or irritant, scabies is caused by a parasitic mite infestation. Atopic dermatitis, on the other hand, is a chronic inflammatory skin condition characterized by pruritic eczematous lesions, but it typically does not manifest with a linear distribution of lesions like scabies.