Pulmonary Aneurysm & Sudden Pain

Pulmonary-artery dissection
A 35-year-old woman with pulmonary arterial hypertension and an aneurysm presents with chest pain. Explore the CT findings and diagnosis of this rare emergency.
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A Sore Tongue and a Systemic Clue

Pyostomatitis vegetans
A 50-year-old woman with Crohn's disease presents with painful tongue and cheek lesions and eosinophilia. Explore the diagnosis of this rare oral condition.
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When Pupils Don’t Follow the Light

Light-near dissociation
Discover the cause of a unique pupillary exam finding in a patient with a midbrain lesion, diplopia, and headache. Learn about this key neurological sign.
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A Transplant Patient’s Mysterious Rash

Cryptococcus neoformans
A 49-year-old transplant patient develops headache and diffuse, umbilicated papules. Explore the diagnosis of this life-threatening opportunistic infection.
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Eye Adhesions & A Skin Rash

Symblepharon
A 73-year-old man presents with blurry vision, photophobia, and eye adhesions, plus vesicles and bullae on his skin. Explore this complex case.
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A Curious Case of Changing Gums

Gingival melanoma
Explore the case of a 61-year-old woman with rapidly expanding gum discoloration. Learn about the differential diagnosis and management of pigmented oral lesions.
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When Gas Invades the Liver

Emphysematous hepatitis
An 82-year-old man with diabetes presents with fever and confusion. LFTs are sky-high, and a CT scan reveals a shocking finding within the liver.
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A Teenager’s Penile Papules

Pearly penile papules
A 15-year-old boy presents with a 3-month history of asymptomatic papules on his glans penis. Explore the differential diagnosis and management.
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Fever & Brain Lesions in the Immunocompromised

Nocardiosis
An 80-year-old man with multiple myeloma presents with fever, confusion, and ring-enhancing brain lesions. What's the diagnosis for these CNS findings?
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A Surprising Nasal Obstruction

Tooth
A 38-year-old man has chronic nasal obstruction. Exam and CT reveal a hard, radiodense mass. Explore the differential diagnosis for this unusual finding.
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