Heel Ulcer Puzzle: Which Test to Skip?
A patient has a non-healing heel ulcer for 2 years. Learn the key differential diagnoses and why one common diagnostic test is often the least useful choice.
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A Rash More Than Skin Deep
Explore pruritic, psoriasiform skin changes on the hands and feet. Learn about acrokeratosis paraneoplastica and its link to serious internal disease.
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The Itchy, Wandering Rash
A patient presents with a migratory, intensely itchy skin eruption on their foot. Discover the diagnosis behind these classic serpentine lesions.
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A Red Face & Blurry Vision
A man presents with recurrent facial flushing, a foreign-body sensation in his eyes, and blurry vision. Discover the common diagnosis that links these symptoms.
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The Mystery of Aching Ears & Eyes
Explore a case where eye and ear pain are clues to a systemic autoimmune disease. Learn about the diagnosis and management of this rare condition.
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Decoding a Chest X-ray Sign
Explore a key radiographic sign where air-filled bronchi stand out against opaque lung tissue. Learn its causes, from ARDS to pneumonia, and its significance.
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Headache, Jaw Pain, & Scalp Findings
A patient presents with headache, jaw claudication, and scalp necrosis. Explore this urgent diagnosis and the risk of permanent vision loss.
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A Baffling Black Eschar
A patient presents with a fever, rash, and a developing black eschar. Explore the differential diagnosis of this classic lesion and identify the outlier.
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What’s This Map on My Tongue?
A man presents with a 3-month history of migratory red patches on his tongue. Explore the differential diagnosis and uncover the most likely benign condition.
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Anemia, Abdominal Pain & Your Dinner Plate
Explore the link between a patient's diet, chronic anemia, and abdominal discomfort. Learn about a common parasitic infection from an unexpected source.
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