Question 1
A biopsy from a photodistributed eruption shows a vacuolar interface dermatitis with scattered necrotic keratinocytes, a superficial perivascular lymphocytic infiltrate, increased dermal mucin highlighted by colloidal iron, and follicular plugging. Which diagnosis is most likely?
Correct Answer:
Discoid lupus erythematosus
Question 2
A biopsy from the oral buccal mucosa shows a dense band-like lymphocytic infiltrate hugging the basal layer, wedge-shaped hypergranulosis, saw-toothed rete ridges, and scattered Civatte bodies. Which diagnosis best fits?
Correct Answer:
Lichen planus
Question 3
Which histologic feature is LEAST likely to be seen in fully developed chronic plaque psoriasis?
Correct Answer:
Prominent papillary dermal eosinophilia
Question 4
Kogoj spongiform pustules are most characteristic of which dermatosis?
Correct Answer:
Psoriasis
Question 5
A spongiotic dermatitis biopsy shows intraepidermal vesicles containing Langerhans cell microabscesses (eosinophilic spongiosis with Langerhans cells). Which condition should be considered?
Correct Answer:
Allergic contact dermatitis
Question 1
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About this Exam

Prepare with the ABD Dermatopathology Practice Questions - Dermatopathology Subspecialty Certification (ABD ABPath) Exam practice quiz. This question bank includes 100 questions covering shows, diagnosis, biopsy, dermal, and cells. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ABD Dermatopathology Practice Questions - Dermatopathology Subspecialty Certification (ABD ABPath) Exam

This practice set contains 100 questions from the matching question bank and focuses on shows, diagnosis, biopsy, dermal, and cells. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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