A 10-month-old male is brought to the clinic by his mother….

A 10-month-old male is brought to the clinic by his mother. She reports that he has been crying continuously and intermittently draws his knees up to his chest. On exam, you note a sausage-shaped mass in the right lower quadrant. His diaper contains stool mixed with blood and mucus. What is the most likely primary diagnosis?

A 40-year-old woman presents with abdominal pain, bloating,…

A 40-year-old woman presents with abdominal pain, bloating, and loose stools for six months. She reports no weight loss, fever, or blood in the stool. Physical exam and colonoscopy are normal. Which finding best distinguishes Irritable Bowel Syndrome (IBS) from Inflammatory Bowel Disease (IBD)? IBS has…