Decoding Benign Hyperbilirubinemia

About 50% of the serum bilirubin is conjugated
Explore Dubin-Johnson syndrome, a rare genetic disorder causing benign hyperbilirubinemia. Learn about its key features, diagnosis, and why bilirubin levels rise.
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Mysterious Gut Bumps

Nodular lymphoid hyperplasia
An 18-year-old woman presents with diarrhea and epigastric pain. After a Giardia diagnosis, endoscopy reveals unusual nodules. What's the underlying cause?
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Cyclosporine & A Curious Blister

Gout
A renal transplant patient on cyclosporine presents with a new skin blister. Explore the differential diagnosis for this common post-transplant complication.
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Unraveling a Zoonotic Fever

Brucellosis
Explore the diagnosis for a man with constitutional symptoms, fever, and myalgias after consuming unpasteurized dairy. What's the zoonotic link?
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A 2-Year Knee Swelling Mystery

Actinomycosis
A man has 2 years of left knee swelling and sinus tracts after a motorcycle accident. Explore the differential diagnosis for chronic cutaneous infections.
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When Kidneys Fail and Systems Flare

Antineutrophil cytoplasmic autoantibody
Explore a complex case of a man with acute renal failure, constitutional symptoms, and multi-organ involvement. Uncover the key autoantibody in this vasculitis.
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A Case of Thirst, Oral Pain & Bone Lesions

Langerhans'-cell histiocytosis
Explore the differential diagnosis for a patient with oral pain, lytic bone lesions, excessive thirst, and urinary frequency. What connects these signs?
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Gas Where It Shouldn’t Be

Emphysematous prostatitis
A 42-year-old man with diabetes has urinary incontinence and severe dysuria. A CT scan reveals a rare and life-threatening cause. What is the diagnosis?
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A Testicular ‘Bag of Worms’

Varicocele
Explore a common cause of scrotal swelling and male infertility. Learn the anatomy, symptoms, and diagnosis of pampiniform plexus dilatation.
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An Unusual Post-Op ECG

Hypocalcemia, hypophosphatemia, and hyperkalemia
Explore the classic ECG findings after parathyroidectomy. This case reviews peaked T waves, a prolonged QT, and the electrolyte disturbances responsible.
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