A Child’s Fever and Painful Blisters

Neutrophilic dermatosis
A 7-year-old girl develops fever and widespread painful blisters after a course of penicillin. Explore the diagnostic process for this rare skin condition.
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Hand Lesions in a Man with Hepatitis C

Porphyria cutanea tarda
A 65-year-old man with ESRD and hepatitis C presents with skin lesions on his hands and forearms and thick nails. Explore the differential diagnosis.
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What’s Bugging This Traveler?

Myiasis
A woman returns from travel with pruritic skin nodules unresponsive to antibiotics. Explore the differential diagnosis for a returning traveler's skin lesion.
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Painful Plaques During Chemo

Neutrophilic eccrine hidradenitis
A patient with acute leukemia on induction chemotherapy presents with painful, edematous skin plaques. What is the diagnosis? Learn about this unique skin reaction.
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Fever & Necrotizing Skin Lesions

Leprosy
A 48-year-old man presents with a two-week history of fever, dyspnea, and painful, blistering skin lesions. Explore this complex dermatological case.
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A Recurrent Rash on the Palms

Herpes simplex virus infection
A 32-year-old man presents with itchy palmar lesions. Explore the link between a common viral infection and recurrent skin rashes like erythema multiforme.
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A Curious Case of Changing Gums

Gingival melanoma
Explore the case of a 61-year-old woman with rapidly expanding gum discoloration. Learn about the differential diagnosis and management of pigmented oral lesions.
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A Teenager’s Penile Papules

Pearly penile papules
A 15-year-old boy presents with a 3-month history of asymptomatic papules on his glans penis. Explore the differential diagnosis and management.
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A Curious Case of a Dusky Finger

Spider bite
A 53-year-old woman presents with pain, swelling, and a strange, dusky plaque on her finger. Explore the differential diagnosis for this skin lesion.
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A Man’s Armor-Like Skin Rash

Carcinoma en cuirasse
A 65-year-old man presents with a 7-month history of painless, sclerotic skin thickening on his chest and arm, mimicking a breastplate of armor.
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