Gastroenterology
- Gastroenteritis gone rogue
A 56-year-old woman presented with 2 weeks of vomiting and diarrhea. Her troubles were just beginning.
- Severe megaloblastic anemia: Vitamin deficiency and other causes
Determining the underlying cause and initiating prompt treatment are critical.
- Endoscopic ultrasonography: An inside view
Endoscopic ultrasonography has evolved from a diagnostic tool to a therapeutic procedure for a wide range of conditions.
- Sigmoid volvulus: Coffee bean sign, whirl sign
A 79-year-old man with cortical cerebellar atrophy presented with progressive abdominal distention and constipation.
- Functional heartburn: An underrecognized cause of PPI-refractory symptoms
Functional heartburn is the most common cause of failure of proton pump inhibitor therapy.

