Mysterious, Painless Shin Lesions

Necrobiosis lipoidica diabeticorum
A patient presents with non-pruritic, painless lesions on their shins. Explore the differential diagnosis and key features of this classic skin condition.
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What’s Wrong With This Fundus?

Papilledema
A clinical case challenge. Analyze a fundoscopic image showing a swollen optic disc. What does this finding indicate? Explore the diagnosis and management.
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A Stiff Heart & Swollen Legs

Constrictive pericarditis
A patient presents with lower extremity edema. Discover a key cardiac cause where a stiff, calcified pericardium leads to diastolic heart failure.
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A Rare Cause of Bowel Obstruction

Obturator hernia
An elderly woman presents with a 3-day history of abdominal pain and vomiting. Explore the diagnostic process for a rare cause of small bowel obstruction via CT.
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A Deceptive Plantar Lesion

Malignant melanoma
A patient presents with a lesion on the sole of their foot and associated inguinal lymphadenopathy. Explore the differential diagnosis for this challenging case.
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The Great Imitator’s Rash

Secondary syphilis
A patient presents with a symmetric, dusky red, polymorphic papulosquamous rash. Can you identify this classic dermatological manifestation?
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Two Hearts, One ECG?

Cardiac allograft
Discover a unique clinical case where an electrocardiogram presents with two distinct QRS complexes. Explore the differential diagnosis for this rare ECG finding.
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A Telltale Sign on the Abdomen

Caput Medusae
Explore a clinical case featuring a patient with prominent, enlarged veins on the abdomen. Learn about the differential diagnosis and underlying causes.
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A Midline Palatal Mass

Torus palatinus
A clinical case of a firm, non-tender mass on the midline of the hard palate. Explore the differential diagnosis and management of this common finding.
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Anatomical Surprise During Dialysis

Left-sided superior vena cava
A dialysis catheter is placed, but imaging reveals it's in an unusual vessel. Explore this case of a common congenital venous anomaly and its implications.
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