The Volcano-like Skin Growth
Discover a rapidly growing, crateriform skin neoplasm on sun-exposed areas. Learn why differentiating it from squamous cell carcinoma is critical.
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What’s This on the Knee X-ray?
Explore a classic knee radiograph showing linear calcification in the articular cartilage. Learn about this key finding and its link to pseudogout.
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An 8-Year-Old’s Abdominal Mystery
Explore the case of an 8-year-old girl with a 2-year history of abdominal pain. What is the diagnosis for her mysterious multicystic abdominal mass?
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A Puzzling Nail Presentation
Discover the systemic condition linked to nail pitting and yellowish discoloration. Learn to recognize these key dermatological signs for an accurate diagnosis.
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A Clue in the Nuchal Fold
A neonate presents with redundant nuchal skin. Explore the differential diagnosis, including key chromosomal abnormalities, and discover the most likely cause.
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Lupus Pernio: What’s the Key Lab?
A patient presents with lupus pernio, a classic skin sign of sarcoidosis. Explore the most specific laboratory test used to support the diagnosis.
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A Child’s Perplexing Bruises
Explore the differential diagnosis for a child presenting with bilateral periorbital ecchymosis, or 'raccoon eyes', a critical sign in pediatric oncology.
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Beyond Bowed Legs: A Key Marker
Explore the diagnosis of nutritional rickets in a patient with genu varum. Learn which key biochemical marker is typically elevated in this condition.
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Pontine Hemorrhage: A Clinical Snapshot
Explore the critical signs of a pontine hemorrhage, a severe type of brainstem stroke. Learn about the classic pupillary findings and profound motor deficits.
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A Curious Case of a White Tongue
A patient undergoing hematopoietic stem-cell transplantation develops a white tongue. Explore the differential diagnosis for this common post-chemo finding.
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