The Crying Infant’s Red Toe

Hair tourniquet
A 6-month-old presents with a red, swollen toe. Explore the differential diagnosis for this common pediatric emergency, from infection to a surprising cause.
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A Toddler’s Mysterious Blistering Rash

Linear IgA bullous dermatosis of childhood
A 2-year-old boy develops an itchy, blistering rash after a URI and ibuprofen. Explore the diagnosis behind this autoimmune skin condition.
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Annular Rash in an Infant

Neonatal lupus erythematosus
A 2-month-old boy presents with annular plaques on the face, scalp, and trunk. Explore the diagnosis behind this characteristic rash and skin biopsy findings.
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A Puzzling Pediatric Chest X-ray

Round Pneumonia
Explore the case of a 4-year-old girl with cough and fever. Her chest X-ray shows a unique, round lesion. What is the most likely diagnosis?
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