A Boy’s Battle with Recurrent Infections

Chronic granulomatous disease
A 12-year-old boy presents with a history of recurrent infections, finger clubbing, and widespread lymphadenopathy. Explore the diagnostic journey.
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When Urine Turns Dark in the Air

Ochronosis
A patient presents with urine that darkens on standing and unusual pigmentation of the sclera and ears. Explore this rare metabolic disorder.
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A Telltale Sign of Head Trauma

Fracture of the temporal bone
A patient presents with hearing loss and ear fullness. Discover how a post-auricular bruise, or Battle's sign, can point to a serious underlying injury.
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A Hidden Cause of Abdominal Pain

Intraabdominal hernia
Explore a rare cause of abdominal pain where bowel herniates through an internal opening. Learn why this diagnosis is critical and often missed on imaging.
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Blue Gums and a Bellyache

Lead poisoning
A patient presents with abdominal pain. A physical exam reveals a strange blue line on the gums. What is the underlying diagnosis? Explore this classic case.
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Mysterious Skin Streaks & Delay

Pigmentary mosaicism
Explore the case of a child with developmental delay and unique linear skin hypopigmentation. Learn about the underlying genetic causes and associations.
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When Swelling Becomes an Emergency

Angioedema
A patient presents with rapid, progressive swelling of the larynx and extremities. Explore the differential diagnosis for this alarming clinical picture.
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A Young Woman’s Heart Attack

Polyarteritis nodosa
A 25-year-old woman on maintenance therapy presents with cardiac arrest. Explore the angiogram findings that reveal a rare underlying systemic cause.
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The Case of the Barking Cough

Croup
A 1-year-old presents with a barking cough, hoarseness, and stridor. A classic radiographic sign points to the diagnosis. Can you identify the condition?
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A Baby’s Green Grin

Neonatal hyperbilirubinemia
An infant presents with green-stained primary teeth. Discover the underlying causes of this rare dental finding, from biliary atresia to neonatal sepsis.
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