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Esophagus

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

A 58-year-old alcoholic man with Child's C cirrhosis and portal hypertension presents with abrupt onset hematemesis. He has been admitted previously for spontaneous bacterial peritonitis but nothing like this has ever happened before. On exam, his pulse rate is 110 beats/min and his blood pressure is 80/60 mm Hg. He is awake and alert, and his abdomen is soft and nontender. His hematocrit is 25%, and his white blood cell count is unremarkable. The most appropriate initial therapy includes balanced crystalloid resuscitation, blood transfusion, and

a)

Observation

b)

Endoscopic stent placement

c)

nitroglycerin and vasopressin

d)

Octreotide

e)

Transjugular intrahepatic portosystemic shunt

2.

Six hours after vomiting heavily following binge drinking after a Cleveland Browns football game, a 34-year-old alcoholic man arrives at the ED with complaints of dysphagia and chest pain. On exam, he is febrile, tachycardic, and normotensive. Esophagography shows contrast material on the left side of the chest at the lower third portion of the esophagus. After fluid resuscitation and antibiotics, the most appropriate next step in management includes

a)

nasogastric tube decompression and observation

b)

endoscopic evaluation of the injury and stenting

c)

left posterolateral thoracotomy, primary repair, intercostal muscle flap, and drain placement

d)

right thoracotomy, primary repair, and gastrostomy tube placement

e)

laparotomy, esophagectomy, and cervical esophagostomy

3.

A 72-year-old woman with a history of GERD presents with worsening dysphagia and weight loss. Workup is ordered, including an esophagogram that reveals a distal esophageal mass. An EUS with biopsy confirms the diagnosis of esophageal adenocarcinoma with a T1b lesion. There are no positive lymph nodes, and there is no invasion of surrounding structures. Which of the following is true regarding this lesion?

a)

This lesion will likely spread via submucosal lymphatic channels

b)

This lesion may be treated with chemotherapy alone

c)

Neoadjuvant chemotherapy is indicated if N0 disease is present

d)

This lesion extends into the muscularis propria

e)

The depth of tumor is not related to lymph node involvement

4.

An 18-year-old man with Prader-Willi syndrome and developmental delay is brought to the ED with abrupt onset pain in the neck. On exam, he is drooling and there is blood-tinged saliva noted. He does not converse at baseline, but his nursing aid noted he had been pointing to the middle of his neck several times and grimacing on the way to the ED. Laboratory studies are unremarkable. The most appropriate initial step in establishing a diagnosis includes

a)

Chest X-ray

b)

Upper endoscopy

c)

Esophagography

d)

CT chest and abdomen

e)

Operative exploration

5.

A 65-year-old man presents to the office with difficulty swallowing and a 30-lb weight loss. He has a 45-pack year history of smoking. He undergoes upper endoscopy, and biopsy which is consistent with T2N0 squamous cell cancer 4cm from the upper esophageal sphincter. PET/CT scan demonstrates no metastatic lesions. What is the best definitive therapy?

a)

Esophagectomy alone

b)

Endoscopic resection

c)

Radiation therapy alone

d)

Neoadjuvant chemoradiation therapy followed by esophagectomy

e)

Definitive chemoradiation therapy

6.

Which of the following is the proper approach to esophagomyotomy for achalasia?

a)

6.5cm incision of the circular muscle fibers of the distal esophagus

b)

6.5cm splitting of the longitudinal muscle fibers of the distal esophagus

c)

6.5cm splitting of longitudinal and circular muscle fibers of the distal esophagus

d)

6.5cm incision of the circular muscle fibers of the distal esophagus plus 2cm of the proximal gastric muscle fibers

e)

6.5cm division of the circular and longitudinal muscle fibers of the distal esophagus plus 2cm of the proximal gastric muscle fibers

7.

Which of the following provides the blood supply to the abdominal esophagus?

a)

Direct aortic branches

b)

bronchial arteries

c)

inferior thyroid artery

d)

left gastric artery

e)

right gastric artery

8.

A 35-year-old man with presents with 6 weeks of burning postprandial epigastric pain that is worse at night, along with daily sour brash. He denies any dysphagia or weight loss. Physical examination shows a soft, nontender abdomen. What is the best next step in management?

a)

lifestyle modification and ambulatory esophageal pH monitoring

b)

esophageal manometry followed by appropriate antireflux surgery

c)

proton pump inhibitor therapy

d)

upper endoscopy

e)

H. pylori breath test and triple therapy if positive

9.

A 31-year-old man presents to the ED 1 hour after ingesting a bottle of drain cleaner in a suicide attempt. His pulse rate is 101/min, his blood pressure is 144/78 mm Hg, and his oxygen saturation is 98% on room air. He is complaining of chest pain and nausea. Which of the following is the next best step in the management of this patient?

a)

nasogastric tube insertion and early intubation

b)

CT of the chest and abdomen

c)

administration of neutralizing agents

d)

right video-assisted thoracoscopic irrigation and drainage

e)

administration of glucocorticoids and nasogastric tube insertion

10.

A 68-year-old man is profoundly acidotic in the SICU after a transhiatal esophagectomy for esophageal cancer. An ischemic gastric conduit is suspected. Which artery is responsible for the blood supply to a gastric conduit after esophagectomy?

a)

right gastroepiploic artery

b)

left gastroepiploic artery

c)

left gastric artery

d)

right gastric artery

e)

gastroduodenal artery

11.

A 35-year-old woman presents with a 6-week history of dysphagia. An esophagogram demonstrates a classic bird's beak obstruction. Which of the following is the best treatment for this patient?

a)

calcium channel blockers

b)

botox injection

c)

pneumatic dilation

d)

Heller esophgagomyotomy with Dor fundoplication

e)

Heller esophagomyotomy with Nissen fundoplication

12.

Which of the following is true regarding the pressure measurements of the lower esophageal sphincter?

a)

Resting pressure is 0 mm Hg

b)

Pressure during swallowing is 10-20 mm Hg

c)

Resting pressure is 10-20 mm Hg

d)

Pressure during swallowing is 50-70 mm Hg

e)

Resting pressure is 50-70 mm Hg

13.

Esophageal motility issues are a common manifestation of scleroderma. Which of the following best describes findings consistent with scleroderma?

a)

low-amplitude, simultaneous contractions with high lower esophageal sphincter pressure

b)

peristalsis waves propagate at a rate of 0.2–0.4 cm/sec

c)

high-amplitude, lengthy (> 6 sec) contractions with normal lower esophageal sphincter pressure

d)

absent peristaltic contractions with normal or decreased lower esophageal sphincter pressure

e)

normal amplitude contractions with high lower esophageal sphincter pressure

14.

A 71-year-old man presents with a 1-month history of progressively worsening dysphagia and a 20-lb weight loss over the past 3 months. He undergoes an upper endoscopy: a 3-cm mass is encountered, with the epicenter of the mass located 1 cm above the GE junction. A biopsy is taken that reveals adenocarcinoma. Further workup with EUS reveals tumor invading the muscularis propria. PET-CT shows no metastatic disease. He is otherwise healthy and exercises 3 times a week. The most appropriate next step in management includes

a)

chemotherapy alone

b)

total esophagectomy and regional lymphadenectomy

c)

endoscopic mucosal resection

d)

neoadjuvant chemotherapy followed by esophagectomy and proximal gastrectomy with regional lymphadenectomy

e)

neoadjuvant chemotherapy followed by total esophagectomy and total gastrectomy with regional lymphadenectomy

15.

A 64-year-old man with an esophageal adenocarcinoma of the mid-esophagus is undergoing an esophagogastrectomy. After the tumor is resected and the gastric conduit is made, the anastomosis is ready to be created but, unfortunately, the gastric conduit does not reach the mid-esophagus. What is the next best step in order to create a tension-free anastomosis?

a)

divide the right gastric artery

b)

mobilize more of the proximal esophagus

c)

divide the splenic artery

d)

perform a Kocher maneuver

e)

divide the azygous vein

16.

A 34-year-old obese male with a history of asthma presents to the clinic requesting surgery for a 1-year history of heartburn. He denies nausea, dysphagia, or vomiting, but on review of systems, he reports his asthma has worsened over the past 3 months to the point where he is coughing frequently and using his inhaler daily despite no recent allergen exposure. He takes a PPI twice daily. An upper endoscopy performed 6 months ago was unremarkable. The most appropriate next step in management includes

a)

addition of an H2 antagonist

b)

barium swallow

c)

upper endoscopy

d)

esophageal pH monitoring

e)

esophageal manometry

17.

A 55-year-old man presents with a 3-month history of dysphagia and is found to have 4-cm non-circumferential esophageal leiomyoma in the mid-esophagus. Which of the following best describes the appropriate treatment of this patient?

a)

extramucosal enucleation with subsequent closure of the myotomy through the right thorax

b)

extramucosal enucleation with subsequent closure of the myotomy through the left thorax

c)

extramucosal enucleation and subsequent closure of the myotomy through the abdomen

d)

esophageal resection through the right thorax

e)

nonoperative surveillance

18.

Which of the following findings on biopsy of the distal esophagus confers an increased malignancy risk?

a)

columnar epithelium with mucous secreting goblet cells

b)

stratified squamous epithelium

c)

eosinophilic infiltration of the epithelium

d)

apoptosis and lysosomal accumulation

e)

hypertrophy and elongation of the luminal border

19.

During a transhiatal esophagectomy, as you are dissecting the mid esophagus out of the mediastinum, the anesthesiologist tells you that there is a large air leak and she is having difficulty ventilating the patient. What should you do?

a)

Pack the mediastinum with a moist gauze, and immediately close and open the right chest.

b)

Immediately close the abdominal incision, and transfer the patient to the ICU.

c)

Continue with the operation, and use the stomach to close the airway leak.

d)

Ask the anesthesiologist to replace the endotracheal tube with a different one.

e)

Ask Bertke to call in Dr Jackson from OR 11

20.

A 35-year-old man presents with complaints of a 2-year history of severe heartburn. He undergoes a trial of proton pump inhibitor (PPI) therapy for 3 months with minimal improvement of his symptoms. He then has 24-hour pH monitoring and manometry. These studies show a percent time of 2.4% of pH less than 4 with normal motility. What is the best next step?

a)

Proceed with observation; the man's symptoms are not likely related to reflux.

b)

Perform antireflux surgery (eg, Nissen fundoplication).

c)

Continue current PPI therapy.

d)

Increase the dose and frequency of the PPI and observe for at least a total of 1 year prior to offering antireflux surgery.

e)

Discontinue PPI therapy.