Fouad Moawad, MD

This patient's presentation also included a pruritic rash around the nasolabial region and inguinal folds. What type of deficiency would you test for?

These symptoms may seem unrelated but are actually classic for a vitamin deficiency. Do you know which one?

Crohn disease patients with short gut syndrome may require total parenteral nutrition to replace nutrients no longer absorbed. But the supplementation has its risks. Can you name the source of the symptoms in this case?

Professional societies differ somewhat in their recommendations for when the benefits of annual screening reach an end. Two groups, however, are on the same page.

What would you suspect as the source in a woman 32 years of age?

Results of upper and lower endoscopy are inconclusive. Your next step?

This 42-year-old woman lost 100 lb during the year after gastric bypass surgery. Now, she is diagnosed as having an ulcer. What might be the cause of the lesion?

Fear of dining outside the home brings this patient to see you. What's the best diagnostic tool?

Constipation-related straining may be the cause of the lesion. How would you proceed?

Domperidone is better tolerated by some patients than metoclopramide. Before a switch, however, this test must be performed.

The patient is 50 years old and has no family history of colon cancer. Should he have a repeated colonoscopy at 1 year? 5 years? 10 years?

In the absence of well-defined post-op management, how would you proceed?

Potential for infection is everywhere for patients with alcoholic cirrhosis.

A medication change? Repeat colonoscopy with chromoendoscopy? Colectomy? Other?

See if the results of this 62-year-old woman's colonoscopy help you identify the source of her abdominal pain.

Which of the following extraintestinal manifestations of inflammatory bowel disease often parallels disease activity?

The patient specifically reports difficulty swallowing at the level of the sternal notch. An upper endoscopy 10 years ago found no abnormality. Which of these tests makes sense now?

A young woman with a history of a desmoid tumor as a child undergoes a screening colonoscopy. What gene mutation is suggested by the finding of multiple adenomatous polyps?

A classic sign helps determine the diagnosis. Do you recognize it?

What to delete and what to keep, that is the IBS dietary question.

Many treatments have failed but evidence is accumulating in support of a newcomer. Do you know which one it is?