Gastrointestinal Surgery Practice Questions

Q: All the following statements regarding this film representing esophagus are true except:

Serosal layer prevents local spread. ***Serosal layer prevents local spread*** - The esophagus does **not have a serosal layer** like other parts of the gastrointestinal tract (e.g., stomach, intestines). - Its outer layer is the **adventitia**, which is a loose connective tissue and offers little barrier to the local spread of esophageal cancer, allowing for earlier mediastinal invasion. *Squamous cell usually affects the upper two-thirds* - **Squamous cell carcinoma** (SCC) of the esophagus typically arises in the **proximal and middle esophagus**, which are lined by squamous epithelium. - This is consistent with the general understanding of SCC etiology, often linked to smoking and alcohol. *Adenocarcinoma usually affects the lower-third* - **Adenocarcinoma** of the esophagus commonly occurs in the **distal esophagus**, often arising from **Barrett's esophagus**. - Barrett's esophagus is a metaplastic change where the normal squamous epithelium is replaced by columnar epithelium, strongly associated with chronic gastroesophageal reflux disease (GERD). *Lymph node involvement is a bad prognostic factor* - The presence of **lymph node metastases** indicates that the cancer has spread beyond the primary tumor site and is a significant indicator of **advanced disease**. - This typically leads to a **worse prognosis** and influences treatment decisions, often requiring systemic therapy in addition to local treatments.

Q: A 35-year-old patient presents with a painless swelling at the umbilicus that has been gradually increasing in size over the past 6 months. The swelling increases on coughing and straining. On examination, there is a reducible bulge at the umbilicus. What is the likely diagnosis?

Umbilical hernia. ***Umbilical hernia*** - The image clearly displays a bulge at the **umbilicus**, which is characteristic of an umbilical hernia. - This type of hernia occurs when abdominal contents protrude through a weakness in the **umbilical ring**. - The clinical presentation of a **reducible swelling that increases with coughing** is pathognomonic of a hernia. - Umbilical hernias are common in adults and are associated with increased intra-abdominal pressure. *Epigastric hernia* - An epigastric hernia occurs in the **midline** between the **xiphoid process** and the umbilicus. - The location of the bulge in the image is specifically at the umbilicus, not superior to it. - These typically present as small, often tender nodules in the epigastric region. *Spigelian hernia* - A Spigelian hernia protrudes through the **Spigelian fascia**, which is lateral to the rectus abdominis muscle, typically at the **arcuate line**. - This location is **lateral**, distinct from the periumbilical region shown in the image. - These are rare and often difficult to palpate due to their interparietal nature. *Paraumbilical hernia* - A paraumbilical hernia occurs **adjacent to the umbilicus** through the linea alba, rather than directly through the umbilical ring. - While close in location, the image shows a hernia **directly at the umbilicus**, not beside it. - Paraumbilical hernias are more common in adults, while true umbilical hernias through the ring can occur in both children and adults.

Q: A 30-year-old patient presents with abdominal pain, fever, nausea, vomiting and respiratory distress. On admission BP=80/40 mm Hg and pulse rate is 120 BPM. The following CXR was performed. What is the immediate management? (AIIMS May 2016)

IV fluids and antibiotics followed by laparotomy. ***IV fluids and antibiotics followed by laparotomy*** - The imaging shows **free air under the diaphragm** (pneumoperitoneum), confirming a perforated viscus. The patient is also in **septic shock** (low blood pressure, high heart rate, fever, abdominal pain), requiring immediate resuscitation with **IV fluids and broad-spectrum antibiotics** to stabilize before surgery. - While definitive management is surgical, **resuscitation** must precede laparotomy in an unstable patient to improve outcomes from septic shock. *Immediate laparotomy* - Performing an immediate laparotomy without prior resuscitation in a patient with **septic shock** (BP 80/40, HR 120) significantly increases surgical risk and mortality. - The patient's **hemodynamic instability** must be addressed first to withstand the stress of surgery. *Intravenous fluids* - While critical for initial resuscitation in septic shock, **IV fluids alone** are insufficient as the definitive management for a perforated viscus. - The source of sepsis (perforation) must be addressed surgically, and **antibiotics** are essential to combat the infection. *Intravenous potassium* - There is no indication in the clinical presentation or image for **intravenous potassium administration**. - This intervention is used for treating **hypokalemia**, which is not mentioned as a concern here, and does not address the underlying pathology.

Q: Which is correct about hematemesis (upper GI bleeding) in this patient?

Rockall scoring is used for risk stratification. ***Rockall scoring is used for risk stratification*** - The image shows a patient with significant **hematemesis**, indicating an upper gastrointestinal bleed. The **Rockall score** is a validated tool used to assess the risk of rebleeding and mortality in patients with upper GI bleeding. - This scoring system considers factors such as **age**, **shock**, **comorbidity**, and endoscopic findings to guide management. *Most common is variceal bleeding* - While variceal bleeding is a serious cause of upper GI hemorrhage, **peptic ulcer disease** (gastric or duodenal ulcers) is the most common cause of non-variceal upper GI bleeding, accounting for 40-50% of cases. - Variceal bleeding is common in patients with **portal hypertension**, often due to liver cirrhosis. *Occurs only if bleeding occurs proximal to ampulla of Vater* - **Hematemesis** (vomiting blood) specifically indicates bleeding **proximal to the ligament of Treitz**, which is superior to the ampulla of Vater. - Bleeding from the small intestine distal to the ligament of Treitz or the colon typically results in **melena** or **hematochezia**, not hematemesis. *MC management is endoscopic banding* - **Endoscopic banding** is the primary treatment for **esophageal variceal bleeding**. - For non-variceal bleeding, such as from **peptic ulcers**, the most common endoscopic management is **epinephrine injection** followed by **thermal coagulation** or **clip placement**.

Q: What does the X-ray film show?

Perforated abdominal viscus. ***Perforated abdominal viscus*** - X-ray findings in perforated viscus include **free air under the diaphragm** (pneumoperitoneum) on erect chest/abdominal X-ray, which is the hallmark sign - **Rigler's sign** (both sides of bowel wall visible) and **football sign** (large amount of free air outlining abdominal organs) may be seen - Common causes include **perforated peptic ulcer**, perforated appendix, or bowel perforation from trauma or ischemia - This represents a **surgical emergency** requiring immediate intervention *Intestinal obstruction* - Shows **dilated bowel loops** with **air-fluid levels** on erect X-ray - **Absent or reduced gas in distal bowel** in complete obstruction - Does not typically show free intraperitoneal air unless there is associated perforation - Multiple air-fluid levels at different heights distinguish it from perforation *Pneumoperitoneum* - While pneumoperitoneum (free intraperitoneal air) is a **radiological finding**, it is not a diagnosis in itself - It is a **sign** that indicates perforation of a hollow viscus - "Perforated abdominal viscus" is the more complete clinical diagnosis that explains the cause of pneumoperitoneum *Right hydropneumothorax* - Shows **air-fluid level in the pleural space** (thoracic cavity, not abdominal) - Air appears as **radiolucency in upper part** with fluid level below in the pleural cavity - Caused by trauma, infection (empyema with gas-forming organisms), or iatrogenic causes - Would be seen in the **chest**, not abdomen, and would not show subdiaphragmatic free air

Q: The following X-ray abdomen is diagnostic of:

Perforation peritonitis. ***Perforation peritonitis*** - The X-ray image shows widespread **free air under the diaphragm** and dilated loops of bowel with **air-fluid levels**, which are classic signs of **perforation peritonitis**. - **Free intraperitoneal air** (pneumoperitoneum) is a strong indicator of a perforated hollow viscus, leading to peritonitis. *Toxic megacolon* - Characterized by **extreme dilatation of the colon** (typically >6 cm in transverse colon) with loss of haustral markings on plain film, without free air. - While it can lead to perforation, the primary finding here is *free air*, not just colitis and colonic dilation. *Intestinal obstruction* - Identified by multiple **dilated bowel loops proximal to the obstruction**, with **air-fluid levels**, and a relative absence of gas distally. - While there are dilated loops and air-fluid levels, the most prominent finding of **free air under the diaphragm** is not typically associated with an uncomplicated obstruction. *Chronic mesenteric insufficiency* - This condition involves **reduced blood flow to the intestines**, leading to chronic abdominal pain, especially postprandial, and weight loss. - Its radiographic signs are often non-specific or involve bowel wall thickening and pneumatosis, not free air or acute findings of perforation.

Q: Which of the following are correct regarding late dumping? I. It usually occurs during the second hour after meal. II. It lasts for 30-40 minutes. III. Major symptoms are tremor, faintness, prostration IV. It is relieved by lying down. Select the answer using the code given below :

I, II and III. ***I, II and III*** - Late dumping syndrome typically manifests **1 to 3 hours after a meal** (usually around the second hour), triggered by rapid carbohydrate absorption leading to hyperinsulinemia and subsequent hypoglycemia. - The symptoms, which include **tremor, faintness, prostration, sweating, and confusion**, are due to hypoglycemia and usually last for **30-60 minutes**. *I, III and IV* - This option is incorrect because lying down generally **does not relieve symptoms** of late dumping syndrome; instead, consuming a small amount of sugar or glucose is recommended to raise blood glucose levels. - While I and III are correct, the inclusion of IV makes this option incorrect. *II, III and IV* - This option is incorrect because statement IV, suggesting relief by lying down, is **false** for late dumping syndrome. - Additionally, statement I "It usually occurs during the second hour after meal" is an accurate description of late dumping, which this option omits. *I, II and IV* - This option is incorrect because statement IV, which claims symptoms are relieved by lying down, is **inaccurate** for late dumping syndrome. - While I and II are correct, the inclusion of IV makes this option incorrect regarding the characteristic management or relief of late dumping.

Q: While managing oesophageal perforations, which of the following factors favour non-operative management? 1. Perforation by a flexible endoscope 2. Contained perforation without free communication 3. Perforation with a small septic load 4. Perforation of the abdominal oesophagus Select the correct answer using the code given below:

1, 2 and 3. ***1, 2 and 3*** - **Perforation by a flexible endoscope** often results in smaller, less destructive perforations due to the instrument's flexibility, making non-operative management feasible if other favorable conditions are met. - **Contained perforation without free communication** implies that the leak is localized and not actively spreading into surrounding tissues, reducing the risk of widespread mediastinitis or peritonitis. - **Perforation with a small septic load** indicates minimal contamination, which simplifies management and improves the chances of successful non-operative treatment through antibiotics and supportive care. *1, 3 and 4* - This option correctly identifies factors 1 and 3, but **perforation of the abdominal esophagus** is generally treated surgically due to the high risk of widespread peritonitis and severe sepsis. - While smaller perforations are more manageable, the anatomical location in the abdominal cavity predisposes to rapid and severe contamination. *2, 3 and 4* - This option correctly includes factors 2 and 3 that favor non-operative management but incorrectly suggests that **perforation of the abdominal esophagus** is managed non-operatively. - The high risk of peritonitis from an abdominal oesophageal perforation often necessitates surgical intervention to prevent severe complications. *1, 2 and 4* - This option correctly identifies factors 1 and 2 but mistakenly includes **perforation of the abdominal esophagus** as a factor favoring non-operative management. - Abdominal oesophageal perforations are high-risk situations generally requiring early surgical repair to prevent life-threatening complications.

Question 1

All the following statements regarding this film representing esophagus are true except:

Accepted Answer

Serosal layer prevents local spread

Answer

Squamous cell usually affects the upper two-thirds

Answer

Adenocarcinoma usually affects the lower-third

Answer

Lymph node involvement is a bad prognostic factor

Question 2

A 35-year-old patient presents with a painless swelling at the umbilicus that has been gradually increasing in size over the past 6 months. The swelling increases on coughing and straining. On examination, there is a reducible bulge at the umbilicus. What is the likely diagnosis?

Accepted Answer

Umbilical hernia

Answer

Epigastric hernia

Answer

Spigelian hernia

Answer

Paraumbilical hernia

Question 3

A 30-year-old patient presents with abdominal pain, fever, nausea, vomiting and respiratory distress. On admission BP=80/40 mm Hg and pulse rate is 120 BPM. The following CXR was performed. What is the immediate management? (AIIMS May 2016)

Accepted Answer

IV fluids and antibiotics followed by laparotomy

Answer

Immediate laparotomy

Answer

Intravenous fluids

Answer

Intravenous potassium

Question 4

Which is correct about hematemesis (upper GI bleeding) in this patient?

Accepted Answer

Rockall scoring is used for risk stratification

Answer

Most common is variceal bleeding

Answer

Occurs only if bleeding occurs proximal to ligament of Treitz

Answer

MC management is endoscopic banding

Question 5

What does the X-ray film show?

Accepted Answer

Perforated abdominal viscus

Answer

Right hydropneumothorax

Answer

Intestinal obstruction

Answer

Pneumoperitoneum

Question 6

The following X-ray abdomen is diagnostic of:

Accepted Answer

Perforation peritonitis

Answer

Toxic megacolon

Answer

Intestinal obstruction

Answer

Chronic mesenteric insufficiency

Question 7

All of the following statements regarding this radiological film representing esophagus are true except:

Accepted Answer

Regurgitation of previous day food items is the most common and early presenting symptom

Answer

Squamous cell usually affects the upper two-thirds

Answer

Adenocarcinoma usually affects the lower-third

Answer

Lymph node involvement is a bad prognostic factor

Question 8

Which one of the following statements is not correct regarding Gastric outlet obstruction associated with long standing peptic ulcer disease?

Accepted Answer

Medical therapy has no role in the treatment of this condition.

Answer

Endoscopic biopsy is essential to exclude malignancy.

Answer

Hypochloraemic alkalosis is the usual metabolic abnormality in such cases.

Answer

Operation is frequently required along with a drainage procedure.

Question 9

Which of the following are correct regarding late dumping?
I. It usually occurs during the second hour after meal.
II. It lasts for 30-40 minutes.
III. Major symptoms are tremor, faintness, prostration
IV. It is relieved by lying down.

Select the answer using the code given below :

Accepted Answer

I, II and III

Answer

I, III and IV

Answer

II, III and IV

Answer

I, II and IV

Question 10

While managing oesophageal perforations, which of the following factors favour non-operative management?

1. Perforation by a flexible endoscope

2. Contained perforation without free communication

3. Perforation with a small septic load

4. Perforation of the abdominal oesophagus

Select the correct answer using the code given below:

Accepted Answer

1, 2 and 3

Answer

1, 3 and 4

Answer

2, 3 and 4

Answer

1, 2 and 4

Gastrointestinal Surgery — MCQs

Gastrointestinal Surgery — MCQs

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