A Puzzling Postpartum Protuberance

Gartner duct cyst
A 29-year-old woman presents with a non-tender vaginal mass 4 months after delivery. Explore the differential diagnosis for this postpartum complaint.
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The Paradox of Brittle, Dense Bones

Osteopetrosis
A 6-year-old girl presents with short stature, vision/hearing loss, and unique radiograph findings. Explore a rare genetic disorder of increased bone density.
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Toddler’s Kidney Stones: A Rare Cause

Primary hyperoxaluria
Explore the case of a toddler with recurrent genitourinary stones and hematuria. Learn about the rare metabolic disorder that predisposes children to stone formation.
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Dull, Aching Nipple Pain in a Man

Mondor's disease
A 53-year-old man presents with dull, aching pain in his right nipple. Explore the differential diagnosis and management of this rare but benign condition.
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The Telling Rash: A Pancreatic Puzzle

Glucagonoma
A 65-year-old man presents with weight loss, a strange rash, and worsening diabetes. Discover the rare neuroendocrine tumor linking these disparate symptoms.
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When a Rash Signals Sepsis

Purpura fulminans
A 3-year-old boy presents with fever, vomiting, and rapidly spreading skin lesions. Explore the diagnosis in the context of Neisseria meningitidis bacteremia.
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A Surprising Finding Around the Kidney

Perirenal extramedullary hematopoiesis
A 69-year-old woman with myelofibrosis and CKD presents with dyspnea. An abdominal MRI reveals an unusual perirenal mass. What is the diagnosis?
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A Traveler’s Unwanted Souvenir

Tungiasis
A patient returns from Brazil with a skin lesion revealing small white eggs. Uncover the diagnosis of this ectoparasitosis endemic to tropical regions.
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A Dangerous Neck Injury

Traumatic spondylolisthesis of the axis (hangman's fracture)
A 25-year-old man presents with severe neck pain after a high-speed MVC. Explore the diagnosis based on an axial CT scan of the C2 vertebra.
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A Teen’s Blurry Vision Mystery

Persistent pupillary membranes
A 15-year-old boy presents with bilateral decreased vision. A slit lamp exam reveals a congenital anomaly. Discover the diagnosis and management.
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