Gastrointestinal Surgery Practice Questions

Q: Which of the following procedures has the highest risk of causing the recurrence of duodenal ulcers?

Highly selective vagotomy. ***Highly selective vagotomy***- ***Highly selective vagotomy*** (or parietal cell vagotomy) denervates only the acid-producing parietal cell mass, reducing basal and maximal acid output less intensely than other procedures. This procedure preserves the innervation of the **gastric antrum** and **pylorus**, maintaining physiological motility but resulting in the highest reported **ulcer recurrence rate** (historically 10-20%).*Gastrectomy*- A subtotal **gastrectomy** involves physically removing the portion of the stomach (body and/or antrum) responsible for acid or gastrin production, leading to a drastic reduction in acid load and a very low recurrence rate. This procedure is generally associated with the highest rates of **post-gastrectomy syndromes** (e.g., afferent loop syndrome, dumping syndrome) compared to vagotomy alone.*Truncal vagotomy*- **Truncal vagotomy** divides the main vagus trunks, causing near-maximal reduction of cephalic-phase acid secretion but requires mandatory **drainage procedures** (**pyloroplasty** or gastrojejunostomy) due to resulting gastric atony. The profound reduction in acid output achieved by this method gives it a significantly lower recurrence rate than highly selective vagotomy.*Gastro-jejunostomy*- **Gastro-jejunostomy** (often referring to the creation of a stoma between the stomach and jejunum) is typically performed as the **drainage procedure** necessary after truncal vagotomy, allowing food egress when the pylorus is dysfunctional. While effective in preventing stasis, a gastro-jejunostomy carries a specific risk of **marginal ulceration** (anastomotic ulceration) but the overall rate of recurrence for the combined operation is low.

Q: A 25-year-old male presents with pain starting from the umbilicus moving to the right iliac fossa, associated with fever, nausea, and tenderness in the right iliac fossa. His WBC count is 14,000/cmm. What is the Alvarado score?

7. The **Alvarado Score** (MANTRELS) is a clinical scoring system used to diagnose **Acute Appendicitis**. It is a high-yield topic for NEET-PG/INI-CET as it helps determine the need for observation, imaging, or surgery. ### **Calculation for this Patient:** The score is calculated based on the **MANTRELS** mnemonic: 1. **M**igration of pain to RIF: **1 point** (Present) 2. **A**norexia: 1 point (Not mentioned) 3. **N**ausea/Vomiting: **1 point** (Present) 4. **T**enderness in RIF: **2 points** (Present) 5. **R**ebound tenderness: 1 point (Not mentioned) 6. **E**levated temperature (>37.3°C): **1 point** (Present/Fever) 7. **L**eukocytosis (>10,000/cmm): **2 points** (Present: 14,000) 8. **S**hift to the left (Neutrophilia): 1 point (Not mentioned) **Total Score: 1 + 1 + 2 + 1 + 2 = 7** --- ### **Why the other options are incorrect:** * **Options A (6) and C (5):** These scores underestimate the weightage of **RIF Tenderness** and **Leukocytosis**, which are the only two parameters that carry **2 points** each. * **Option B (4):** A score of 4 or less makes appendicitis unlikely, whereas this patient presents with classic "textbook" symptoms and significant leukocytosis. --- ### **Clinical Pearls for INI-CET:** * **Interpretation:** * **5–6:** Possible (Equivocal); observation/CT scan recommended. * **7–8:** Probable; surgery usually indicated. * **9–10:** Very probable; immediate appendectomy. * **Modified Alvarado Score:** Excludes "Shift to the left" (Total score out of 9). * **Most common symptom:** Anorexia (often the first sign). * **Most common sign:** Tenderness at **McBurney’s point**. * **Pediatric Alternative:** The **Pediatric Appendicitis Score (PAS)** is often preferred for children.

Q: Which of the following is wrongly matched with its classification?

LA classification - Achalasia. ***LA classification - Achalasia*** - The **Los Angeles (LA) classification** system is used to grade the severity of **reflux esophagitis** (Esme of the gastric mucosa, typically following **Gastroesophageal Reflux Disease (GERD)**). - **Achalasia** is typically classified using the **Chicago Classification** (based on high-resolution manometry findings) [1] or the older **Siewert classification** for surgical staging. ***Boston classification - Colon preparation for colonoscopy*** - The **Boston Bowel Preparation Scale (BBPS)** is a validated, widely used scoring system to assess the quality of **colon preparation** during colonoscopy, ranging from 0 (unprepared) to 3 (excellent) for each segment. - A high BBPS score (typically $\ge$ 7) indicates adequate preparation necessary for accurate polyp detection. ***Mannheim classification - Chronic pancreatitis*** - The **Mannheim Classification System** is used for grading the severity of **acute pancreatitis**, not chronic pancreatitis. - It assesses clinical parameters (e.g., organ failure, complications) to predict the prognosis and guide management of acute pancreatitis. ***Miami classification - Parathyroid adenoma and hyperplasia differentiation*** - The **Miami Criteria** is a histological classification system used to distinguish between **parathyroid adenoma** and **parathyroid hyperplasia** based on architectural and cellular features observed on surgical pathology. - It helps pathologists determine the underlying cause of primary hyperparathyroidism.

Q: Which nerve marked as $X$ is shown in the image given below? (Recent NEET Pattern 2016-17)

Criminal nerve of Grassi. ***Correct: Criminal nerve of Grassi*** - The image shows the **vagal innervation to the stomach**. The nerve marked 'X' is a **posterior gastric nerve** branch that innervates the **fundus** and is often referred to as the criminal nerve of Grassi due to its implication in **recurrent ulceration if not transected during vagotomy**. - This nerve is part of the **posterior vagal trunk** and specifically innervates the posterior aspect of the fundus and body of the stomach. Its omission during a vagotomy can lead to continued acid secretion. *Incorrect: Nerve of Laterjet* - The nerve of Laterjet refers to the **anterior and posterior gastric nerves** that run along the **lesser curvature** of the stomach. - These nerves primarily innervate the **body and antrum** of the stomach and control acid secretion from the parietal cells. *Incorrect: Crow's feet* - "Crow's feet" refers to the **pyloric branches** of the anterior and posterior nerves of Laterjet, which ramify around the **pylorus**. - These are distinguished from the nerve of Grassi which supplies the fundus. *Incorrect: Celiac trunk* - The celiac trunk is an **artery**, not a nerve. It is a major visceral branch of the aorta that supplies blood to the foregut structures, including the stomach, liver, and spleen. - It does not represent neural innervation as depicted in the image.

Q: All of the following conditions are visible in the image except: (Recent NEET Pattern 2016-17)

Left sided femoral hernia. ***Left sided femoral hernia*** - This is the **correct answer** because a left-sided femoral hernia is **NOT visible in the image**. - The image shows bilateral inguinal hernias, with bulges located **above the inguinal ligament**, characteristic of inguinal hernias. - A **femoral hernia** would present as a bulge **below the inguinal ligament**, inferior and lateral to the pubic tubercle, which is **not depicted on the left side**. *Right sided femoral hernia* - This option is also not visible in the image, but since only one answer can be marked correct, the question focuses on the left side. - The prominent right-sided bulge is located **above the inguinal ligament**, characteristic of an **inguinal hernia**, not a femoral hernia. - A femoral hernia would appear in the upper thigh region, which is not shown on the right. *Right sided inguinal hernia* - This condition **IS visible in the image** as a large, prominent bulge in the right groin region. - The bulge is located in the anatomic area of the **inguinal canal**, superior to the inguinal ligament, consistent with a **right-sided inguinal hernia**. *Left sided inguinal hernia* - This condition **IS visible in the image** as a smaller but distinct bulge in the left groin region. - The bulge is in the characteristic location for an **inguinal hernia** above the inguinal ligament on the left side.

Q: A multiparous female presents with the condition shown in the image. This condition can be managed by: (Recent NEET Pattern 2016-17)

McEvedy repair. ***McEvedy repair*** - The image shows a **femoral hernia**, characterized by a bulge below the **inguinal ligament** and lateral to the **pubic tubercle**, commonly seen in multiparous females. The **McEvedy repair** (high approach) is specifically designed for femoral hernias, particularly when **strangulated**, as it allows better assessment of **bowel viability**. - This approach involves an incision extending above the inguinal ligament, providing superior access to the **femoral canal** and allowing for reduction and repair from above, which is ideal for the anatomical location shown. *Bassini repair* - This is a traditional **inguinal hernia repair** method where the **transversus abdominis muscle**, **transversalis fascia**, and **conjoint tendon** are sutured to the inguinal ligament. - It is primarily used for **inguinal hernias**, not femoral hernias, and would not provide adequate access or repair for the condition shown below the inguinal ligament. *Hunters repair* - This term does not correspond to a recognized standard surgical repair technique for hernias and may be a **misnomer** or outdated eponym. - Standard hernia repair names typically refer to specific anatomical repairs like **Shouldice**, **Lichtenstein**, or **McEvedy**, making this option incorrect. *Shouldice repair* - The Shouldice repair is a **tension-based tissue repair** of an **inguinal hernia** that involves **four layers of fascia** being approximated with continuous sutures (not to be confused with the tension-free Lichtenstein mesh repair). - It is specifically designed for **inguinal hernias** and is not suitable for the repair of a **femoral hernia**, which requires a different anatomical approach below the inguinal ligament.

Q: Which hernia repair procedure is shown in the image? (Recent NEET Pattern 2016-17)

Lichtenstein repair. ***Lichtenstein repair*** - The image clearly displays a **mesh patch** being used to reinforce the posterior wall of the inguinal canal, which is the hallmark of a **tension-free Lichtenstein repair**. - This technique is widely considered the **gold standard** for **inguinal hernia repair** due to its low recurrence rates and reduced postoperative pain. *Bassini herniorrhaphy* - **Bassini's repair** is a **tissue-based repair** that involves suturing the conjoined tendon and transversalis fascia to the inguinal ligament. - This method does **not use mesh** and is associated with higher tension and recurrence rates compared to mesh-based repairs. *Shouldice repair* - The **Shouldice repair** is another **tissue-based repair** from Canada, renowned for its strong, multilayered closure of the posterior wall of the inguinal canal. - It involves **four layers of suture repair** of the transversalis fascia and conjoined tendon, without the use of synthetic mesh as seen in the image. *Lord's procedure* - **Lord's procedure** is a historical method for **inguinal hernia repair** that primarily involved placing a small, tightly rolled mesh plug into the internal ring. - It is **not commonly used today** and does not involve the broad, flat mesh placement depicted in the image to reinforce the entire posterior wall.

Q: A 25-year-old male presents with inguinal swelling. He had surgery for acute abdomen 2 years ago but could not tell the reason behind it. Trauma to which structure during the surgery conducted 2 years ago would have resulted in this inguinal swelling?

Ilioinguinal nerve. ***Ilioinguinal nerve*** - Damage to the ilioinguinal nerve during abdominal surgery, especially an appendectomy, can lead to muscle weakness in the anterior abdominal wall. - This weakness predisposes the patient to the formation of an **inguinal hernia**, which manifests as an inguinal swelling. *Spermatic cord* - Trauma to the spermatic cord could lead to **testicular atrophy**, pain, or issues with fertility due to vascular or ductal damage. - It is not directly associated with the development of an inguinal hernia as a primary consequence of isolated trauma during non-hernia repairs. *Genital branch of genitofemoral nerve* - Injury to the genital branch of the genitofemoral nerve primarily affects the **cremasteric reflex** and sensation in the scrotum/inner thigh. - While it can cause sensory disturbances, it does not directly lead to weakness of the abdominal wall sufficient to cause an inguinal hernia. *Pampiniform plexus* - The pampiniform venous plexus is involved in regulating testicular temperature. Injury primarily causes a **hydrocele** or **varicocele** due to impaired venous drainage. - It would not cause an inguinal hernia, which involves protrusion of abdominal contents through a weakened abdominal wall.

Q: Contents of the inguinal hernia sac are displayed intraoperatively and appendix is seen at 7 o'clock. What is the diagnosis?

Amyand hernia. ***Amyand hernia*** - An **Amyand hernia** is a rare type of inguinal hernia that contains the **vermiform appendix** within the hernia sac. - The discovery of the appendix, as shown in the image, within an inguinal hernia sac definitively identifies this as an Amyand hernia. *Richter hernia* - A **Richter's hernia** occurs when only a portion of the circumference of the bowel wall becomes incarcerated in the hernia sac. - It does not specifically involve the appendix and is characterized by the potential for **strangulation without obstruction**. *Pantaloons hernia* - A **pantaloons hernia** (or saddlebag hernia) is a combined direct and indirect inguinal hernia, with the inferior epigastric vessels located between the two sacs. - It describes the anatomical configuration of the hernia sacs rather than the contents within them. *Maydl's hernia* - **Maydl's hernia** (or W-hernia) occurs when two loops of bowel are contained within the hernia sac, with a connecting loop lying within the abdominal cavity. - This type of hernia is particularly dangerous due to the high risk of **strangulation of the intervening loop** of bowel.

Question 1

Which of the following procedures has the highest risk of causing the recurrence of duodenal ulcers?

Accepted Answer

Highly selective vagotomy

Answer

Gastro-jejunostomy

Answer

Gastrectomy

Answer

Truncal vagotomy

Question 2

A 60-year-old male with a history of peptic ulcer disease presents with sudden-onset severe epigastric pain radiating to the back, vomiting, and shock. Examination reveals a rigid, board-like abdomen. Upright chest X-ray shows air under both hemidiaphragms. What is the most appropriate initial surgical management?

Accepted Answer

Graham's patch (omental patch repair) with peritoneal lavage

Answer

Conservative management with nasogastric decompression and antibiotics

Answer

Partial gastrectomy with gastrojejunostomy

Answer

Truncal vagotomy with pyloroplasty

Question 3

A 25-year-old male presents with pain starting from the umbilicus moving to the right iliac fossa, associated with fever, nausea, and tenderness in the right iliac fossa. His WBC count is 14,000/cmm. What is the Alvarado score?

Accepted Answer

7

Answer

6

Answer

4

Answer

5

Question 4

Which of the following is wrongly matched with its classification?

Accepted Answer

LA classification - Achalasia

Answer

Boston classification - Colon preparation for colonoscopy

Answer

Mannheim classification - Chronic pancreatitis

Answer

Miami classification - Parathyroid adenoma and hyperplasia differentiation

Question 5

Which nerve marked as $X$ is shown in the image given below? (Recent NEET Pattern 2016-17)

Accepted Answer

Criminal nerve of Grassi

Answer

Nerve of Laterjet

Answer

Crow's feet

Answer

Celiac trunk

Question 6

All of the following conditions are visible in the image except: (Recent NEET Pattern 2016-17)

Accepted Answer

Left sided femoral hernia

Answer

Right sided femoral hernia

Answer

Right sided inguinal hernia

Answer

Left sided inguinal hernia

Question 7

A multiparous female presents with the condition shown in the image. This condition can be managed by: (Recent NEET Pattern 2016-17)

Accepted Answer

McEvedy repair

Answer

Bassini repair

Answer

Hunters repair

Answer

Shouldice repair

Question 8

Which hernia repair procedure is shown in the image? (Recent NEET Pattern 2016-17)

Accepted Answer

Lichtenstein repair

Answer

Bassini herniorrhaphy

Answer

Shouldice repair

Answer

Lord's procedure

Question 9

A 25-year-old male presents with inguinal swelling. He had surgery for acute abdomen 2 years ago but could not tell the reason behind it. Trauma to which structure during the surgery conducted 2 years ago would have resulted in this inguinal swelling?

Accepted Answer

Ilioinguinal nerve

Answer

Spermatic cord

Answer

Genital branch of genitofemoral nerve

Answer

Pampiniform plexus

Question 10

Contents of the inguinal hernia sac are displayed intraoperatively and appendix is seen at 7 o'clock. What is the diagnosis?

Accepted Answer

Amyand hernia

Answer

Richter hernia

Answer

Pantaloons hernia

Answer

Maydl's hernia

Gastrointestinal Surgery — MCQs

Gastrointestinal Surgery — MCQs

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