Gastrointestinal Surgery Practice Questions

Q: All of the following statements about Gastrointestinal carcinoid tumors are true, Except:

Rectum is spared. ***Rectum is spared*** - This statement is **incorrect**; carcinoid tumors can occur in the rectum, which is often **affected** by such tumors. - It is more accurate to say that carcinoid tumors arise in various gastrointestinal locations, including the **rectum** itself. *Small intestine and appendix account for almost 60% of all gastrointestinal carcinoid* - This statement is **true**; small intestine and appendix are indeed significant sites for carcinoid tumors, together accounting for nearly **60% of cases**. - These locations are particularly prominent due to the number of neuroendocrine cells found in these areas of the **gastrointestinal tract** [1][2]. *5 year survival for carcinoid tumors is >60%* - This statement is **true**, as many patients with localized carcinoid tumors exhibit a **5-year survival rate** greater than 60%. - Survival rates vary depending on the tumor's stage and location, but overall, they tend to have a favorable prognosis when diagnosed early. *Appendicial carcinoids are more common in females than males* - This statement is **true**; studies indicate that appendiceal carcinoids are indeed more frequently diagnosed in **females** compared to males [2]. - This differentiation is one of the notable epidemiological trends observed with carcinoid tumors.

Q: All of the following are surgical options in the management of esophageal carcinoma except -

Sistrunk operation. ***Sistrunk operation*** - The **Sistrunk operation** is a surgical procedure specifically designed for the removal of a **thyroglossal duct cyst**, not for esophageal carcinoma. - This procedure involves excising the cyst along with the central portion of the hyoid bone and the tract leading to the foramen cecum to prevent recurrence. *Ivor Lewis Approach* - The **Ivor Lewis approach** is a common and established surgical technique for **esophagectomy**, involving both abdominal and right thoracic incisions for tumor resection and reconstruction. - It is often used for tumors in the mid to distal esophagus. *Mckeown's Approach* - The **McKeown's approach** is another well-known surgical technique for **esophagectomy**, typically used for more proximal esophageal tumors. - This involves three incisions: abdominal, right thoracic, and cervical, allowing for extensive lymphadenectomy. *Transhiatal removal* - **Transhiatal esophagectomy** is a surgical option for esophageal cancer that involves abdominal and cervical incisions without a thoracic incision. - This approach is often favored in patients with significant comorbidities who may not tolerate a full thoracotomy.

Q: Where does spontaneous esophageal rupture (Boerhaave syndrome) most commonly occur?

Above the diaphragmatic aperture. ***Above the diaphragmatic aperture*** - Boerhaave syndrome, or spontaneous esophageal rupture, most commonly occurs in the **distal esophagus**, just above the diaphragmatic aperture. - This region is particularly susceptible due to increased **intraluminal pressure** during forceful vomiting, combined with a lack of muscular support and a thinner esophageal wall. - The rupture typically occurs in the **left posterolateral wall** of the lower third of the esophagus, approximately **2-5 cm above the gastroesophageal junction**. *Below the diaphragmatic aperture* - Ruptures below the diaphragmatic aperture are less common in Boerhaave syndrome, as the **lower esophageal sphincter** and surrounding diaphragmatic crura provide more support. - While other forms of esophageal injury can occur here, a spontaneous rupture due to vomiting is less typical in this location. *Pharyngoesophageal junction* - Ruptures at the pharyngoesophageal junction are known as **Zenker's diverticulum ruptures** or other types of perforation, typically not Boerhaave syndrome. - This area is prone to tears from instrumentation or foreign bodies but not usually from the extreme pressure of forceful vomiting (which affects the distal esophagus more). *At the crossing of the arch of aorta* - The mid-esophagus at the level of the aortic arch is not a common site for Boerhaave syndrome. - Although the esophagus is constricted here, the primary stress during forceful vomiting is concentrated in the **distal esophagus**.

Q: What is the commonest site of peptic ulcer?

First part of the duodenum. ***First part of the duodenum*** - The **duodenal bulb** (first part of the duodenum) is the most common location for peptic ulcers due to its proximity to the pylorus, where it's exposed to **acidic chyme** and susceptible to **H. pylori infection**. - The **mucosal defenses** in the duodenum are often less robust compared to the stomach, making it more vulnerable to acid-pepsin aggression. *Second part of the duodenum* - Ulcers in the **second part of the duodenum** are relatively rare compared to the first part. - This section receives bile and pancreatic secretions which help to **neutralize stomach acid**, providing greater protection. *Distal third of the stomach* - Ulcers in the **distal third of the stomach** are less common than in the first part of the duodenum. - While **gastric ulcers** do occur, they are more frequently found in the **antrum or lesser curvature** of the stomach. *Pylorus of the stomach* - Ulcers can occur in the **pylorus**, but they are not as frequent as those in the **duodenal bulb**. - Pyloric ulcers are considered a type of **gastric ulcer** and can be associated with gastric outlet obstruction.

Q: Under what guidelines is treatment started for a patient presenting with appendicular mass on a CT scan?

Ochsner Sherren Regimen. ***Ochsner Sherren Regimen*** - The **Ochsner Sherren regimen** is a conservative management approach specifically used for patients presenting with an **appendicular mass** (a palpable mass formed by the inflamed appendix, omentum, and small bowel loops). - This regimen involves **nil by mouth**, **intravenous fluids**, **antibiotics**, and **analgesia**, with close observation to allow the inflammation to subside before potential interval appendectomy. *Conservative management and discharge* - While the Ochsner Sherren regimen is a form of conservative management, simply stating "conservative management and discharge" is incomplete and potentially dangerous for a patient with an **appendicular mass**. - **Discharge** is not appropriate without a period of observation and specific medical interventions like antibiotics, as there's a risk of abscess formation or perforation. *Kocher's Regimen* - **Kocher's regimen** is not a recognized treatment protocol for an appendicular mass. - The term "Kocher" is more commonly associated with a **surgical incision** (Kocher incision for cholecystectomy) or a **maneuver** (Kocher maneuver for duodenal mobilization). *Immediate Laparotomy* - **Immediate laparotomy** is generally contraindicated in the presence of a well-formed **appendicular mass**. - Operating on a friable, inflamed mass can disrupt the natural containment, leading to widespread peritonitis and increased morbidity. The Ochsner Sherren regimen aims to cool down the inflammation first.

Q: Which of the following statements is MOST accurate regarding Zenker diverticulum?

It is a pulsion diverticulum. ***It is a pulsion diverticulum*** - A **Zenker diverticulum** is formed by the herniation of the **pharyngeal mucosa** through a weak point in the posterior pharyngeal wall, driven by increased intraluminal pressure (**pulsion**). - This contrasts with **traction diverticula**, which are caused by external pulling forces on the esophageal wall. *It is between superior and middle constrictor* - **Zenker diverticulum** occurs in **Killian's triangle**, a weak area between the **cricopharyngeus muscle** (part of the inferior constrictor) and the **thyropharyngeus muscle** (also part of the inferior constrictor). - The superior and middle constrictor muscles are located more superiorly in the pharynx, and diverticula in this region are rare. *It projects posteriorly* - Although it originates from the **posterior pharyngeal wall**, the **Zenker diverticulum** typically projects **left laterally** or **inferiorly** into the neck as it enlarges. - Its initial herniation is posterior, but subsequent growth and gravitational forces lead to its characteristic downward and often left-sided displacement. *It is commonly seen in older adults* - While it most commonly affects **older adults**, this statement describes an **epidemiological characteristic** rather than a fundamental pathophysiological feature of the diverticulum's formation. - The question asks for the **most accurate statement** regarding its nature, and its classification as a pulsion diverticulum directly addresses its pathological mechanism.

Q: Pulled up cecum is seen in which condition?

Ileocecal tuberculosis (TB). ***Ileocecal tuberculosis (TB)*** - **Ileocecal tuberculosis** commonly causes **fibrosis** and stricture formation in the ileocecal region, which can lead to the **retraction or pulling up of the cecum**. - This "pulled-up cecum" is a characteristic radiographic finding, often associated with a **patulous ileocecal valve** and inflammatory changes. *Cecal carcinoma* - While cecal carcinoma can cause a mass and involve the cecum, it does not typically lead to a "pulled-up" appearance. - Carcinoma usually presents as a **filling defect** or an **obstructing lesion** rather than retraction. *Intussusception* - **Intussusception** involves the telescoping of one part of the intestine into another, usually presenting as a **target sign** on imaging. - This condition does not cause a *pulled-up cecum*; instead, it involves the distal segment invaginating into the proximal segment. *Colon carcinoma* - **Colon carcinoma** can manifest as an **apple-core lesion** or an obstructing mass, but like cecal carcinoma, it generally does not cause the cecum to be pulled upwards. - The pathology is primarily one of **luminal narrowing** or mass obstruction.

Q: Which of the following is the best combination of clinical features of intestinal obstruction?

Abdominal distension and vomiting. ***Abdominal distension and vomiting*** - This combination represents **two of the cardinal clinical features** of intestinal obstruction from the classic tetrad (pain, vomiting, distension, constipation). - **Abdominal distension** occurs due to accumulation of gas and fluid proximal to the obstruction. - **Vomiting** occurs as the body attempts to expel contents that cannot pass through the blocked intestine. - The **combination** makes this the most specific and complete answer among the given options. *Vomiting* - While vomiting is indeed a prominent clinical feature of intestinal obstruction, it can occur in numerous other conditions (gastroenteritis, metabolic disorders, CNS pathology). - **Isolated vomiting lacks specificity** for diagnosing intestinal obstruction. *Fluid level in X-ray > 4* - This refers to **multiple air-fluid levels** seen on erect abdominal X-ray, which is a **radiologic/diagnostic finding**, not a clinical feature. - Clinical features are symptoms and signs (what the patient experiences or what is observed on examination), whereas X-ray findings are **investigative/imaging findings**. *Abdominal distension* - While abdominal distension is a key clinical feature of intestinal obstruction, it can also occur in other conditions (ascites, pregnancy, obesity, bowel perforation). - **Isolated distension lacks specificity** compared to the combination with vomiting.

Q: Prepyloric or channel ulcer in the stomach is termed as:

Type 3. ***Type 3*** - **Type 3 ulcers** are located in the **prepyloric region** or within the **pyloric channel** of the stomach. - They are often associated with **duodenal ulcers** and are characterized by **normal to high acid secretion**. *Type 1* - **Type 1 ulcers** are typically found in the **lesser curvature of the stomach body**, not the prepyloric region. - These ulcers are usually associated with **low or normal acid secretion** and are often linked to *H. pylori* infection. *Type 2* - **Type 2 ulcers** involve both a **gastric ulcer** (usually in the body) and an **active or healed duodenal ulcer**. - They are associated with **normal to high acid secretion**, but the location is not exclusively prepyloric. *Type 4* - **Type 4 ulcers** are located high on the **lesser curvature near the gastroesophageal junction**. - They are associated with **low acid secretion** and are sometimes termed **juxta-esophageal ulcers**.

Question 1

A 55 year old woman presented with history of recurrent episodes of right upper abdominal pain for the last one year. She presented to emergency with history of jaundice and fever for 2 days. On examination, the patient appeared toxic and had a blood pressure of 100/60 mmHg. She was started on intravenous antibiotics. Ultrasound of the abdomen showed presence of stones in the common bile duct. What would be the best treatment option for her -

Accepted Answer

Endoscopic Retrograde Cholangiopancreatography (ERCP) and bile duct stone extraction

Answer

Open bile duct surgery for stone removal

Answer

Lithotripsy for bile duct stones

Answer

Laparoscopic cholecystectomy (gallbladder removal)

Question 2

All of the following statements about Gastrointestinal carcinoid tumors are true, Except:

Accepted Answer

Rectum is spared

Answer

Small intestine and appendix account for almost 60% of all gastrointestinal carcinoid

Answer

Appendicial carcinoids are more common in females than males

Answer

5 year survival for carcinoid tumors is >60%

Question 3

All of the following are surgical options in the management of esophageal carcinoma except -

Accepted Answer

Sistrunk operation

Answer

Ivor Lewis Approach

Answer

McKeown's Approach

Answer

Transhiatal removal

Question 4

Where does spontaneous esophageal rupture (Boerhaave syndrome) most commonly occur?

Accepted Answer

Above the diaphragmatic aperture

Answer

Below the diaphragmatic aperture

Answer

Pharyngoesophageal junction

Answer

At the crossing of the arch of aorta

Question 5

What is the commonest site of peptic ulcer?

Accepted Answer

First part of the duodenum

Answer

Second part of the duodenum

Answer

Distal third of the stomach

Answer

Pylorus of the stomach

Question 6

Under what guidelines is treatment started for a patient presenting with appendicular mass on a CT scan?

Accepted Answer

Ochsner Sherren Regimen

Answer

Conservative management and discharge

Answer

Kocher's Regimen

Answer

Immediate Laparotomy

Question 7

Which of the following statements is MOST accurate regarding Zenker diverticulum?

Accepted Answer

It is a pulsion diverticulum

Answer

It is between superior and middle constrictor

Answer

It projects posteriorly

Answer

It is commonly seen in older adults

Question 8

Pulled up cecum is seen in which condition?

Accepted Answer

Ileocecal tuberculosis (TB)

Answer

Cecal carcinoma

Answer

Intussusception

Answer

Colon carcinoma

Question 9

Which of the following is the best combination of clinical features of intestinal obstruction?

Accepted Answer

Abdominal distension and vomiting

Answer

Vomiting

Answer

Fluid level in X-ray > 4

Answer

Abdominal distension

Question 10

Prepyloric or channel ulcer in the stomach is termed as:

Accepted Answer

Type 3

Answer

Type 1

Answer

Type 4

Answer

Type 2

Gastrointestinal Surgery — MCQs

Gastrointestinal Surgery — MCQs

On this page

Practice by Chapter

Want unlimited practice?