Gastroenterology

A 60-year-old woman presented to an outside hospital with hematochezia, hypotension, 4 days of abdominal pain, and shortness of breath.

A 53-year-old man presented to the emergency department with a 2- to 3-week history of worsening upper abdominal and hypogastric abdominal pain with some radiation to his back, which was exacerbated by...

The gastrointestinal tract is home to microorganisms that exist in close relation with host cells. The microbes in the gut are estimated to comprise 1000 to 1200 bacterial species and at least 100 trillion...

Two unrelated male neonates were born at term in the same hospital on the same day. Both mothers had prenatal care established in the first trimester, and both pregnancies were uncomplicated.

A 29-year-old man presented with worsening of pain and swelling in the posterior aspect of the right thigh, which had been associated with subjective fever 2 days prior to presentation.

At a clinic in the East African country of Tanzania, a 4-year-old boy presented for evaluation of scrotal swelling. The boy appeared underweight and stunted. He had been of normal weight until 4 months of...

Celiac disease is an autoimmune disease triggered by the introduction of gluten into the diet, which promotes immune-mediated destruction of small intestinal mucosa with subsequent inflammation, crypt...

A 13-year-old girl with a history of constipation and anemia presented with abdominal pain and a new rash.