Gastroenterology

For a young man with eosinophilic esophagitis, which potential allergen is most likely the cause of his symptoms?

Cystic pancreatic lesions fall into several categories. Some are indolent and can be followed; others are precancerous.

Portal vein thrombosis is often an ominous sign. What next for this patient with HCV cirrhosis?

Psychological stress increased the risk for peptic ulcer regardless of H pylori status or NSAID use, according to results of a new study.

This waxy eyebrow lesion appears to be stuck to the skin. Do you know what it is? See how well you do with the questions in this quiz.

Lactose, fructose, FODMAPs are out. Cashew milk, bok choy, and taro are in. Get more, here, on ins, outs, and newest Rx for IBS.

There are several “do-it-yourself” colon cancer screening tests available. But do any of them approximate the sensitivity of the gold standard colonoscopy?

Is a surveillance interval of 1 year, 3 years, 5, or 10 years recommended?

These endoscopic findings help explain worsening dysphagia in a 32-year-old man. Esophageal biopsies prove positive for eosinophilia. How would you proceed?

This gastrovascular disorder is rare yet life-threatening when it occurs. It is caused primarily by any process that leads to increased acuity of the aortomesenteric angle.

The incidental finding was noted during screening endoscopy for Barrett's esophagus. Can you answer these 3 questions on next steps and management of the case.

Stool transplant for C. difficile infection is becoming more popular. But, is the cure rate really 90%?

The patient has had 10 episodes of bleeding in the past 24 hours. Can you find clues to the underlying problem in the history and on the CT scan?

Could repeated episodes of vomiting in this young woman be related to ingestion of a drug?

For the past year, the patient has had episodes of severe nausea, vomiting, headache, and abdominal pain separated by weeks of feeling quite well.

Patients with dermatitis herpetiformis should be referred for consultation with a gastroenterologist for evaluation and follow-up.

What would your diagnosis be in this young man and how would that inform your next step?

Does this patient need IV PPI, pRBCs, or maybe TLC for now?

Symptoms have been present for 2 days. Lab studies are notable for BUN (43 mg/dL) and CO2 (21 mmol/L). The real problem is visible on CT of the abdomen and pelvis. Your diagnosis?

A 26-year-old man reports worsening fatigue and weakness for a few months. The patient’s father and grandfather had colon cancer when they were in their 40s. Colonoscopy revealed innumerable polyps carpeting the mucosa from the rectum to the cecum. Your diagnosis?

At risk for mesenteric ischemia-an uncommon but feared cause of abdominal pain-are the elderly and chronically ill.

Mottled skin; neuropathic pain; syncope . . . test yourself on these and other subjects.

Intermittent blurred vision and palpitations in a young woman often improve after juice. She does not have DM. One day, she arrives at the ED after a seizure. Head CT is negative. What’s next?

Diet and medication can be used to manage symptoms of insulinoma. Once the lesion is well localized, resection is curative.

Asymptomatic lesion on back; impaired fertility in overweight or obese men; herpes zoster complications . . . Can you answer the 5 questions in this quiz?

A 28-year-old man reports pain on swallowing of a week's duration. He is otherwise in good health. Upper endoscopy and tissue biopsy reveal the cause. What do you see?

The most frequently encountered cause of infection of the esophagus is Candida. Among viral causes HSV is the most common, followed by CMV.

A new tender lesion in a man with T2 diabetes; hypertension and gout; TMJ osteochondroma . . . your answers to questions on these and other maladies?

Think you know everything about peptic ulcer disease? Find out here, with concepts, cases, and sample questions based on the author's recent attendance at the Internal Medicine Board Review at the Cleveland Clinic Foundation.

For carcinoid tumors of the GI tract, the rate of metastasis is related to size. Small tumors may be resected endoscopically but lesions 1 cm or larger require surgical resection.