USMLE step 2 Mcq 130: A 55 year old white female has a long history of red lesions with silvery scales on her knees and elbow

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Question:
A 55 year old white female has a long history of red lesions with silvery scales on her knees and elbow. She has scaly lesions on her scalp as well. She denies having any itching associated with the lesions. A skin biopsy is done because of another condition that she has developed. The pathologist comments that there is retention of the nuclei in the stratum corneum. What is this correct term for this phenomenon?

a) hyperkeratosis
b) acanthosis
c) spongiosis
d) parakeratosis
e) keratosis


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