Puzzling Pustules on the Soles

Keratoderma blennorrhagicum
A case of vesiculopustular, waxy skin lesions on the feet. Learn why this dermatological sign can point to an underlying sexually transmitted or GI infection.
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A Symmetrical Oropharyngeal Threat

Bilateral peritonsillar abscesses
Explore a case of bilateral soft palate swelling and an anteriorly pushed uvula. Understand the diagnosis and management of this serious oropharyngeal condition.
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Unraveling a Post-Transplant Rash

Graft-versus-host disease
A patient develops a complex skin rash with pigmentation changes and ulcers after leukemia treatment. Explore the differential diagnosis and key features.
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A Smooth Tongue’s Hidden Story

Celiac disease
Discover why atrophic glossitis, or a smooth, glossy tongue, can be a crucial sign of a serious autoimmune disorder affecting the gut. Learn the connection.
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A Closer Look at Hand Deformities

Osteoarthritis
Discover the common causes of hand joint deformities. Learn about Heberden's and Bouchard's nodes and what they signify for your joint health.
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When Heat Leaves Its Mark

Erythema ab igne
A patient presents with knee pain and a strange, reticular, reddish-brown rash. The cause is linked to a common home remedy. What is the diagnosis?
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A Red Flag in the Eye

Hyphema
Explore the differential diagnosis for a collection in the anterior chamber. Is it blood, pus, or something else? Learn key ophthalmologic terms.
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A Sunken Chest Wall

Pectus excavatum
Explore a common congenital chest wall deformity characterized by a sunken or concave appearance. Learn about its clinical features, diagnosis, and treatment.
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When the Aorta Takes a Turn

Osteoporosis
A radiograph reveals a tortuous abdominal aorta. Explore an unusual underlying diagnosis related to vertebral compression fractures and subsequent height loss.
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Ocular Clues to a Systemic Crisis

Malignant hypertension
A patient presents with visual changes. Fundoscopy reveals disk edema, cotton-wool spots, and retinal hemorrhages. Can you diagnose this medical emergency?
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