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Question 1
Incorrect
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The increased risk of oesophageal malignancy in patients with Barrett’s oesophagus is approximately:
Your Answer: 5 times the risk
Correct Answer: 50 - 100 times risk
Explanation:Barrett’s oesophagus is the transformation of the normal squamous epithelium of the oesophagus to columnar, intestinal type epithelium. It is often seen in patients with reflux and there is a 50-100 fold increased risk of oesophageal adenocarcinoma in patients with Barrett’s oesophagus.
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This question is part of the following fields:
- Gastroenterology
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Question 2
Correct
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A 54-year-old woman, with a long history of inflammatory bowel disease presents to his GP with abnormal liver function tests. She has a raised alkaline phosphatase level but no symptoms of liver disease. Which of the following options is the best set of investigations to confirm the diagnosis?
Your Answer: MRCP and liver biopsy
Explanation:In a patient with abnormal LFTs and UC, think primary sclerosing cholangitis (PSC). MRCP and liver biopsy is the best answer. MRCP will show classically beads on a string – intra and extrahepatic stricturing and dilation. Remember this finding!! Liver biopsy is required for official diagnosis (need tissue!).
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This question is part of the following fields:
- Gastroenterology
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Question 3
Incorrect
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Which one of the following statements regarding hepatocellular carcinoma is correct?
Your Answer: Bevacizumab may be used for advanced cases
Correct Answer: Diabetes mellitus is a risk factor
Explanation:Diabetes is a risk factor for hepatocellular carcinoma. Screening has been shown to be effective. Bevacizumab is not used for advanced cases. The incidence is higher in men. Alcohol is not the most common underlying cause worldwide; this is from cirrhosis from diseases like hepatitis B and C.
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This question is part of the following fields:
- Gastroenterology
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Question 4
Correct
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A 47-year-old man is seen in clinic with a 3 month history of chronic epigastric discomfort. The pain comes and goes and radiates to his back and his right shoulder tip at times. It is worse after meals but there is no relieving factor. He feels nauseous most of the time and has foul-smelling stools. He has lost 2 stones in weight. He also complains of intermittent light-headedness. He drinks a bottle of wine on most nights and smokes 20 cigarettes /day. On examination, he is thin and looks neglected. His abdomen is soft, but tender on deep palpation in the epigastric area. He has a 2 cm non-tender liver edge. He also has decreased sensation to light touch on both feet. Bloods: sodium 131 mmol/L, potassium 4.2 mmol/L, creatine 64 ÎĽmol/L, amylase 35 U/l, alanine aminotransferase (ALT) 104 U/l, alkaline phosphatase (ALP) 121 U/l, bilirubin 24 ÎĽmol/L, calcium 2.01 mmol/L, whole cell count (WCC) 12.1 Ă— 109/L, haemoglobin (Hb) 10.2 g/dL, platelets 462 Ă— 109/L. Abdominal X-ray (AXR) was normal and oesophago-gastro duodenoscopy (OGD) showed mild gastritis. Campylobacter-like organism (CLO) test negative. Ultrasound abdomen showed a mildly enlarged liver with fatty change, spleen and kidneys normal, pancreas partially obscured by overlying bowel gas. 72-h stool fat was 22 g in 72 h. He is referred for a secretin test: volume collected 110 ml, bicarbonate 52 mEq/l. What is the most likely diagnosis?
Your Answer: Chronic pancreatitis
Explanation:The question describes an alcohol abusing man with chronic epigastric discomfort, radiating into his back, worse with meals, and foul-smelling stools, weight loss, as well as chronic nausea. This is likely, thus chronic pancreatitis due to alcohol abuse. Hepatomegaly and peripheral neuropathy secondary to anaemia support the diagnosis of long term alcohol abuse. Bacterial overgrowth may present with diarrhoea and is a less likely diagnosis than pancreatitis. Celiac disease is a less likely diagnosis than pancreatitis, and you would also expect mention of diarrhoea. VIPoma would also likely present with diarrhoea. Cecal carcinoma would more than likely present with blood in the stool.
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This question is part of the following fields:
- Gastroenterology
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Question 5
Correct
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A 50 year old man undergoes a colonoscopy due to the finding of blood in his stools. The colonoscopy revealed four polyps which were variable in size from one at 0.5cm, 2 at approximately 1.5cm and one at 2 cm. When should this patient have a follow up colonoscopy?
Your Answer: 3 years
Explanation:For the question, you need knowledge of the British Society of Gastroenterology guidelines. This patient has 3-4 adenomas with 3 of them > 1 cm. This places him at medium risk and the recommendation if for a 3-year follow up period.
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This question is part of the following fields:
- Gastroenterology
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Question 6
Correct
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A 55-year-old male is admitted with vomiting. He has a long history of alcohol abuse, appears slightly jaundiced and is dishevelled and unkempt. He was started on an intravenous glucose infusion and diazepam and he symptomatically improved. One day later he becomes confused, develops vomiting, diplopia and is unable to stand. What is the most likely diagnosis?
Your Answer: Vitamin B deficiency
Explanation:The most likely diagnosis is Wernicke’s encephalopathy. This presents in a long time alcoholic from vitamin BI deficiency. Symptoms include confusion and confabulation, oculomotor symptoms/signs, and ataxia.
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This question is part of the following fields:
- Gastroenterology
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Question 7
Incorrect
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A 29-year-old woman presents to clinic complaining of intermittent diarrhoea and constipation. Full blood count and viscosity were normal. Flexible sigmoidoscopy was unremarkable. What is the next most appropriate management step?
Your Answer: Wheat-free diet
Correct Answer: High-fibre diet
Explanation:This is most likely describing irritable bowel syndrome (IBS). Symptoms are either diarrhoea, constipation, or both, abdominal pain, bloating, with various durations. It is a functional, not organic, problem, as far as research shows at this point. It is essentially a diagnosis of exclusion. Treatment is a high fibre diet with fluids. Caffeine should be avoided as this can worsen symptoms. Full colonoscopy is not warranted at this time, neither is a barium enema. A wheat-free diet is not likely to help as there is no evidence they have an allergy to this.
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This question is part of the following fields:
- Gastroenterology
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Question 8
Correct
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A 32-year-old man presents with progressive central abdominal pain and vomiting associated with significant weight loss (five stone in 3 months).He gives a history of binge drinking and depression, and smokes twenty cigarettes per day. Because eating provokes abdominal pain and vomiting, he has eaten virtually nothing for a month. CT scanning of his abdomen showed a normal pancreas but dilated loops of small bowel with a possible terminal ileal stricture. His albumin level was 20 and C-reactive protein level was 50. Which statement is NOT true?
Your Answer: Infliximab should be prescribed as soon as possible
Explanation:Stricturing is associated with Crohn’s disease, and elevated CRP supports this diagnosis in this patient, as well. Infliximab should not yet be started. Acute treatment is steroids (of a flare) however this man needs surgery. Although surgery should be avoided if at all possible in Crohn’s disease, and minimal surgery should occur (resecting as little as possible, given possible need for future resections), including possible stricturoplasty instead of resection. Chronic pancreatitis is unlikely given it would not cause stricture. Patients undergoing surgery should always have informed consent, which always includes risk of a stoma for any bowel surgery. Given the amount of weight he has lost he is at significant risk for refeeding syndrome, which can cause hypokalaemia, hypophosphatemia and hypomagnesemia.
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This question is part of the following fields:
- Gastroenterology
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Question 9
Incorrect
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Which one of the following is most suggestive of Wilson’s disease?
Your Answer: Reduced serum copper
Correct Answer: Reduced serum caeruloplasmin
Explanation:In Wilson’s disease, serum caeruloplasmin is decreased. Skin pigmentation is not increased, but may become jaundiced. 24 hour urine copper excretion is increased. Hepatic copper concentration is increased. Serum copper level is also increased. Key point: high copper. Remember Kayser-Fleisher rings for the eyes in Wilson’s disease.
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This question is part of the following fields:
- Gastroenterology
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Question 10
Correct
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A 34-year-old HIV positive man is referred to gastroenterology due to jaundiced sclera. Liver function tests are as follows: Albumin 34 g/l ALP 540 iu/l Bilirubin 67 µmol/L, ALT 45 iu/l What is the most likely diagnosis?
Your Answer: Sclerosing cholangitis
Explanation:HIV can cause strictures in the biliary tract (see source for details of the disease). This makes the diagnosis of primary sclerosing cholangitis most likely given the clinical presentation and lab values. Due to its association with HIV this is more likely than all of the other answer choices. Know this association.
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This question is part of the following fields:
- Gastroenterology
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Question 11
Incorrect
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A 55-year-old alcoholic is admitted with portal hypertension. The wedged hepatic venous pressure is recorded. This pressure is reflective of which part of the hepatic vascular system?
Your Answer: Portal vein
Correct Answer: Sinusoids
Explanation:The wedged hepatic venous pressure is a reflection of the portal venous pressure in the hepatic sinusoids. This is a fact to remember. Here is a great but concise explanation as to why: https://www.ncbi.nlm.nih.gov/pubmed/18695309
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This question is part of the following fields:
- Gastroenterology
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Question 12
Correct
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A 37-year-old social worker is referred to you with a long history of diarrhoea and abdominal discomfort. She was diagnosed with irritable bowel syndrome 10 years ago and takes mebeverine, peppermint tablets and Gaviscon. She is a vegetarian and rarely drinks or smokes. Examination of all systems is normal. Her blood tests show macrocytic anaemia. An upper gastrointestinal endoscopy reveals oesophagitis, hypertrophy of the gastric body and multiple duodenal ulcers. What is the most likely diagnosis?
Your Answer: Zollinger–Ellison syndrome
Explanation:This case describes Zollinger-Ellison syndrome. It is characterized by refractory peptic ulcer disease, often multiple ulcers. This is typically caused by secretion of gastrin from a gastrinoma, a neuroendocrine tumour. The most common site of ulceration is the duodenum. A symptom of a pancreatic gastrinoma may be steatorrhea from the hypersecretion of gastrin. Serum gastrin levels > 1000 and a pH < 2 are diagnostic of pancreatic gastrinoma. None of the other answer choices are a better answer than this. CT abdomen may potentially show a tumour, but this is not diagnostic for type.
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This question is part of the following fields:
- Gastroenterology
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Question 13
Correct
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A 27-year-old man with a long history of heavy alcohol intake is admitted with nausea and frequent vomiting four hours after a meal in a restaurant. During review in the Emergency department he vomits a cupful of blood. What is the cause of his haematemesis?
Your Answer: Mallory-Weiss tear
Explanation:This is a classic clinical presentation, with alcohol intake and nausea/vomiting that leads to hematemesis, of a Mallory-Weiss tear. Because of the history, that makes this more likely than haemorrhagic gastritis, duodenal ulceration, or oesophagitis (also oesophagitis would not bleed a cupful). Oesophageal varices would present with copious amounts of hematemesis and most likely hemodynamic instability as a result of the amount of blood loss. In Mallory-Weiss tear they are typically presented as a hemodynamically stable patient.
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This question is part of the following fields:
- Gastroenterology
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Question 14
Correct
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A 42-year-old man with alcoholic liver disease is admitted with pyrexia. He has been unwell for the past three days and has multiple previous admissions before with variceal bleeding. Examination shows multiple stigmata of chronic liver disease, ascites and jaundice. Paracentesis is performed with the following results: Neutrophils 487 cells/ul. What is the most appropriate treatment?
Your Answer: Intravenous cefotaxime
Explanation:This describes a clinical scenario of spontaneous bacterial peritonitis. The diagnosis is made when fluid removed (ascites) is found to have > 250/mm cubed of PMNs (polymorphonuclear leukocytes). Cefotaxime or another third generation cephalosporin is the treatment of choice.
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This question is part of the following fields:
- Gastroenterology
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Question 15
Correct
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A 25-year-old lady with a history of ulcerative colitis presents to clinic. She had extensive colitis 10 years ago, which has improved with medical treatment. Last year she had been diagnosed with primary sclerosing cholangitis. Her last colonoscopy was 6 months ago, which detected no active disease, and random biopsies were normal. She is remaining well and asymptomatic. When should colonic screening be performed on this patient?
Your Answer: Colonoscopy should be performed annually
Explanation:Colonoscopy screening should begin 10 years after the first diagnosis in ulcerative colitis, given the increased risk for colon cancer. Given that she has developed primary sclerosing cholangitis, her risk of colon cancer is even higher. Colonoscopy screening should occur at 3 year intervals in the second decade, 2 year intervals in the third decade, and 1 year intervals by the first decade, making A the correct answer choice.
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This question is part of the following fields:
- Gastroenterology
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Question 16
Incorrect
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A 24-year-old woman presents as an emergency to her GP with acute vomiting which began some 3–4 hours after attending an afternoon meeting. Cream cakes were served during the coffee break. Which of the following organisms is the most likely cause of this acute attack of vomiting?
Your Answer: Campylobacter sp
Correct Answer: Staphylococcus aureus
Explanation:Staph. aureus is the most likely cause. It is found in foods like dairy products, cold meats, or mayonnaise. It produces a heat-stable ENDOTOXIN (remember this) that causes nausea, vomiting, and diarrhoea 1-6 hours after ingestion of contaminated food. B. cereus is classically associated with fried rice being reheated. Salmonella is typical with raw eggs and undercooked poultry. Campylobacter which is most commonly associated with food poisoning, is seen with poultry 50% of the time. Yersinia enterocolitica is seen with raw or undercooked pork, and may be a case presenting with mesenteric adenitis.
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This question is part of the following fields:
- Gastroenterology
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Question 17
Correct
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A 53-year-old woman presents with upper GI haemorrhage. She has a history of rheumatoid arthritis for which she is managed with low dose prednisolone, diclofenac and codeine phosphate. On examination in the Emergency ward her BP is 90/60 mmHg, pulse 100/min. You fluid resuscitate her and her BP improves to 115/80 mmHg, with a pulse of 80/min. Investigations; Hb 10.4 g/dL, WCC 6.1 x109/L, PLT 145 x109/L, Na+ 139 mmol/L, K+ 4.9 mmol/L, Creatinine 180 μmol/L, ECG – Lateral ST depression , Upper GI endoscopy reveals a large bleeding ulcer on the posterior aspect of the duodenum. It cannot be easily reached with the endoscope, and you decide to attempt embolization. Which of the following is the artery that should be targeted?
Your Answer: Posterior superior Pancreaticoduodenal artery
Explanation:The most common location for a duodenal ulcer bleed is the posterior duodenum (remember: posterior bleeds, anterior perforates). The perfusion to this area is most specifically from the posterior superior pancreaticoduodenal artery.
The anterior superior pancreaticoduodenal artery supplies the anterior region. The gastroepiploic artery supplies mostly the stomach. The splenic artery goes, obviously, toward the spleen, in the other direction. The gastroduodenal artery is a branch of the celiac artery, and it’s branches are the anterior superior pancreaticoduodenal artery and posterior superior pancreaticoduodenal artery.
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This question is part of the following fields:
- Gastroenterology
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Question 18
Incorrect
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A 72-year-old woman presents with a 3 month history of colicky abdominal pain after eating, and diarrhoea. She has lost 7 kg in weight over the last few months. A recent gastroscopy and colonoscopy were normal. Her past medical history includes angina and a right carotid endarterectomy at the age of 62 years. Her current medication includes aspirin, atenolol, simvastatin and losartan. right carotid endarterectomy at the age of 62 years. Her current medication includes aspirin, atenolol, simvastatin and losartan. Blood tests revealed: Haemoglobin (Hb) 118 g/l, Mean corpuscular volume (MCV) 80 fl, White cell count (WCC) 12.3 x 109/L, Platelets 210 x 109/L, Na+ 133 mmol/L, K+ 5.2 mmol/L, Urea 8.1 mmol/L, Creatinine 134 mmol/L. Select the most appropriate further investigations.
Your Answer: Gastroscopy
Correct Answer: Contrast-enhanced computed tomography (CT) of the abdomen
Explanation:The patient is 74 years old. She has had a recent gastroscopy and colonoscopy. She has a history of angina and a right CEA. She is having colicky abdominal pain after meals and weight loss, which points to a possible diagnosis of chronic mesenteric ischemia. Thus, you would want to do a contrast-enhanced CT scan of the abdomen to look for this. A 24 hour cardiac monitor would also be helpful to look for any abnormal rhythm that could be a potential aetiology of her disease.
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This question is part of the following fields:
- Gastroenterology
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Question 19
Incorrect
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An 18 year old prospective medical student is tested for hepatitis B. Her liver tests show alanine transaminase (ALT) 120 U/L and serology shows her to be positive for HBsAg, HBcAb and HBeAg, with a viral load of 105 genome equivalents/mL. A liver biopsy is reported as showing early fibrosis with evidence of moderate inflammation. Which of the following treatments should be offered?
Your Answer: Interferon beta
Correct Answer: Interferon alfa 2b
Explanation:Interferon alfa alone, not interferon alfa and ribavirin, has been shown to achieve HBeAg seroconversion for patients with HBeAg-positive chronic hepatitis B.
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This question is part of the following fields:
- Gastroenterology
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Question 20
Incorrect
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A 28-year-old woman presents with intermittent episodes of diarrhoea, constipation, abdominal bloating and flatulence. Clinical examination is unremarkable. Faecal occult bloods are negative and haematological and biochemical investigations are unremarkable. Which of the following is the next most appropriate management step?
Your Answer: Barium enema
Correct Answer: Trial of dairy-free diet
Explanation:The best next step is to try a dairy-free diet, many patients may develop this in their lifetime. IBS is a diagnosis of exclusion, and one would need to rule lactose intolerance out as a potential aetiology first. She is only 28, and without overt bleeding or signs/sxs/labs suggestive of obstruction or inflammation; colonoscopy, flex sig and a barium enema are not indicated.
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This question is part of the following fields:
- Gastroenterology
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Question 21
Incorrect
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A 62-year-old lady is referred with painless jaundice and weight loss. Bilirubin is 214 mmol/L, alanine transaminase (ALT) 62 U/L, alkaline phosphatase (ALP) 605 U/L, albumin 34 g/L and prothrombin time 17 seconds. Ultrasound of the abdomen shows a grossly dilated biliary tree and a dilated pancreatic duct, but no mass is seen. What is the next most appropriate step in her management?
Your Answer: Pancreatic endoscopic ultrasound
Correct Answer: Abdominal CT scan
Explanation:This scenario is suggestive of a pancreatic head mass with obstructive jaundice and US showing a ‘double duct’ sign. A CT Scan would be recommended to evaluate for a pancreatic head mass. If a mass was found, the next step would then be to do an ERCP with EUS to obtain a biopsy of the mass for tissue diagnosis. Laparoscopy would not be recommended. CA19-9 would not be diagnostic.
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This question is part of the following fields:
- Gastroenterology
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Question 22
Correct
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A 62-year-old female with a history of COPD and hypertension presents with pain on swallowing. Current medication includes a salbutamol and becotide inhaler, bendrofluazide and amlodipine. What is the most likely cause of the presentation?
Your Answer: Oesophageal candidiasis
Explanation:The history gives you a woman who is on inhaled steroid therapy. It is always a good idea for patients to rinse their mouths well after using inhaled steroids. Odynophagia (pain on swallowing) is a symptom of oesophageal candidiasis, which is the most likely answer given the steroids. Typically, you might see this in someone who is immunocompromised (classically, in HIV+ patients).
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This question is part of the following fields:
- Gastroenterology
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Question 23
Correct
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A 48-year-old ex-footballer with a long history of alcohol abuse, presents with epigastric pain. Which of the following suggests a diagnosis of peptic ulceration rather than chronic pancreatitis?
Your Answer: Relieved by food
Explanation:Relief of symptoms with food suggests duodenal ulceration, for which the pain gets worse on an empty stomach. In chronic pancreatitis, you would expect worsening of symptoms with food.
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This question is part of the following fields:
- Gastroenterology
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Question 24
Incorrect
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A 60-year-old man with known ulcerative colitis and diverticular disease comes to clinic complaining of passing faeces per urethra. Cystoscopy confirms a fistula between his bladder and bowel. Which treatment is most likely to be effective?
Your Answer: total parenteral nutrition (TPN)
Correct Answer: surgery
Explanation:The best treatment for a colovesicular fistula is surgery. This is the only definitive treatment. If the patient is a poor surgical candidate, there can be an attempt to manage them non-operatively, but this is absolutely NOT the MOST EFFECTIVE therapy.
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This question is part of the following fields:
- Gastroenterology
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Question 25
Incorrect
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A 45-year-old man who had a liver transplant just over 3 months ago, now has primary sclerosing cholangitis. He complains of fever, abdominal pain and diarrhoea, which has come on over the last week. He has a platelet count of 60 x 109/L and alanine transaminase (ALT) of 300 U/L with a normal bilirubin. He is taking tacrolimus and prednisolone for immunosuppression, and tells you that he recently stopped taking valganciclovir. What is the most likely diagnosis?
Your Answer: Chronic rejection of liver transplant
Correct Answer: Donor-acquired cytomegalovirus
Explanation:The fact that he has recently stopped taking his valganciclovir, anti-viral, is key to the answer to this question. This makes the answer quite plainly donor-acquired CMV infection over all of the other answer choices. He needs to stay on prophylaxis against this, particularly in the first 3 months after transplant. Symptoms and presentations of CMV infection can include fever, abdominal pain, diarrhoea, pneumonitis, hepatitis, hematologic abnormalities, retinitis, and esophagitis.
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This question is part of the following fields:
- Gastroenterology
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Question 26
Correct
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Which of the following is most commonly associated with the development of pseudomembranous colitis?
Your Answer: Cefuroxime
Explanation:Pseudomembranous colitis is caused by a C. difficile infection that causes membranes to form on the colon wall. It is caused most commonly by broad-spectrum antibiotics. This would include cephalosporins, broad-spectrum penicillin, and clindamycin. Macrolides and quinolones have also been reported as potential aetiologies, but much less commonly.
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This question is part of the following fields:
- Gastroenterology
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Question 27
Incorrect
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A 69-year-old man on the cardiology ward who is hypotensive, and tachycardic is having profuse melaena. He was commenced on dabigatran 150mg bd by the cardiologists 48 hours earlier for non-valvular atrial fibrillation. Following appropriate resuscitation which of the following treatments is most likely to improve his bleeding?
Your Answer: Tranexamic acid
Correct Answer: Idarucizumab (Praxbind)
Explanation:Idarucizumab (Praxbind) is a newer antidote for dabigatran, the first of its kind. It is a monoclonal antibody fragment that binds dabigatrin with a higher affinity than thrombin. It is very expensive.
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This question is part of the following fields:
- Gastroenterology
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Question 28
Incorrect
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A 43-year-old man is reviewed in the gastroenterology clinic. He has had troublesome dyspepsia for the past six months which has not settled with proton pump inhibitor (PPI) therapy. During the review of his systems he also reports passing 6-7 watery stools per day. An OGD 3 weeks ago showed gastric erosions and ulcers. Which one of the following investigations is most likely to be diagnostic?
Your Answer: CT abdomen
Correct Answer: Fasting gastrin
Explanation:This case describes Zollinger-Ellison syndrome. It is characterized by refractory peptic ulcer disease, often multiple ulcers. This is typically caused by secretion of gastrin from a gastrinoma, a neuroendocrine tumour. The most common site of ulceration is the duodenum. A symptom of a pancreatic gastrinoma may be steatorrhea from the hypersecretion of gastrin. Serum gastrin levels > 1000 and a pH < 2 are diagnostic of pancreatic gastrinoma. None of the other answer choices are a better answer than this. CT abdomen may potentially show a tumour, but this is not diagnostic for type.
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This question is part of the following fields:
- Gastroenterology
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Question 29
Incorrect
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A 32-year-old lady is found to be hepatitis B surface antigen positive. This positive result has persisted for more than six months. Hepatitis B envelope antigen (HBeAg) is negative. HBV DNA is negative. Her liver function tests are all entirely normal. Which of the following options would be the best for further management?
Your Answer: Liver biopsy but no antiviral therapy
Correct Answer: No antiviral therapy but monitor serology
Explanation:Again, remember the Hepatitis B serologies: In chronic hepatitis B infection, you have +HBsAg, +anti-HBc, (-)IgM antiHBc, and (-) anti-HBs. In acute hepatitis B infection, you have +HBsAg, + anti-HBc, + IgM anti-HBc, and negative anti-HBs. In immunity due to natural infection, you have negative HBsAg, + anti-HBc, and + anti-HBs. In immunity due to vaccination, you have negative HBsAg, negative anti-HBc, and positive anti-HBs. IN THIS CASE, the person is HBsAg+ for 6 months and everything else is negative, normal transaminase. They do not need antiviral therapy, but their serology should be monitored serially. There would be no reason to do a liver biopsy.
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This question is part of the following fields:
- Gastroenterology
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Question 30
Incorrect
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A 17-year-old Caucasian woman presents with lethargy and chronic nausea. Her mother is worried she may be depressed. On examination, there are signs of chronic liver disease and a gold-yellow ring at the periphery of the iris in both eyes. Her serum copper level is low. What is the most likely diagnosis?
Your Answer:
Correct Answer: Wilson’s disease
Explanation:This patient has Wilson’s disease. They Kayser-Fleischer ring (ring that encircles the iris) is diagnostic of this. Low serum copper is seen in Wilson’s disease. With the Kayser-Fleischer ring, this makes all of the other answer choices incorrect.
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This question is part of the following fields:
- Gastroenterology
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