Question 1
A skin biopsy shows a band-like lymphocytic infiltrate at the dermo-epidermal junction with vacuolar interface change, sawtooth rete ridges, wedge-shaped hypergranulosis, and Civatte (cytoid) bodies. The most likely diagnosis is:
Correct Answer:
Lichen planus
Question 2
A biopsy from a chronic plaque on the elbow shows regular psoriasiform epidermal hyperplasia, parakeratosis with neutrophils (Munro microabscesses), spongiform pustules of Kogoj in the upper spinous layer, dilated tortuous papillary dermal vessels, and thinning of suprapapillary plates. The diagnosis is:
Correct Answer:
Psoriasis vulgaris
Question 3
A spongiotic dermatitis biopsy shows alternating ortho- and parakeratosis in both vertical and horizontal directions, follicular plugging with shoulder parakeratosis, and small islands of normal skin within affected areas (the 'islands of sparing' clinically). The most likely diagnosis is:
Correct Answer:
Pityriasis rubra pilaris
Question 4
A subepidermal blister biopsy from an elderly patient shows a tense bulla with eosinophil-rich infiltrate. DIF reveals linear IgG and C3 along the basement membrane zone. Salt-split skin shows IgG binding to the epidermal (roof) side. The diagnosis is:
Correct Answer:
Bullous pemphigoid
Question 5
A patient with celiac disease develops grouped vesicles on extensor surfaces. Biopsy from perilesional skin shows neutrophilic microabscesses in dermal papillae. DIF demonstrates granular IgA deposits within the dermal papillae. The diagnosis is:
Correct Answer:
Dermatitis herpetiformis
Question 1
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Prepare with the ABPath Dermatopathology Practice Questions - ABPath Dermatopathology Subspecialty Certification Examination Exam practice quiz. This question bank includes 100 questions covering shows, diagnosis, cells, biopsy, and skin. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ABPath Dermatopathology Practice Questions - ABPath Dermatopathology Subspecialty Certification Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on shows, diagnosis, cells, biopsy, and skin. 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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