Pancreatic Surgery Practice Questions

Q: What is the treatment of choice for annular pancreas?

Duodeno-jejunostomy. **Explanation:** **Annular Pancreas** is a congenital anomaly where a ring of pancreatic tissue encircles the second part of the duodenum. This occurs due to the failure of the ventral pancreatic bud to rotate properly during development. **1. Why Duodeno-jejunostomy is the Correct Answer:** The primary clinical manifestation of an annular pancreas is duodenal obstruction. The surgical treatment of choice is a **bypass procedure**, specifically a **Duodeno-jejunostomy** (or Duodeno-duodenostomy in neonates). This restores bowel continuity without touching the pancreas itself. **2. Why the Incorrect Options are Wrong:** * **Whipple’s operation (A):** This is a radical resection (Pancreaticoduodenectomy) used for malignancies. It is far too morbid and unnecessary for a benign obstructive condition. * **Gastro-jejunostomy (C):** While it bypasses the obstruction, it is associated with a high risk of stomal ulceration due to the continued presence of gastric acid without adequate buffering in the efferent limb. * **Jejuno-cystostomy (D):** This is not a standard surgical procedure for duodenal obstruction; it refers to a connection between the jejunum and a cyst (e.g., a pseudocyst), which is irrelevant here. * **Note on Resection:** Direct resection of the pancreatic ring is **contraindicated** because it often leads to pancreatic fistulas and may not relieve the obstruction, as the underlying duodenum is often stenotic. **High-Yield Clinical Pearls for NEET-PG:** * **Embryology:** Caused by the failure of the **ventral pancreatic bud** to rotate posteriorly. * **Presentation:** In neonates, it presents with "double bubble" sign on X-ray (similar to duodenal atresia). In adults, it may present with peptic ulcers or pancreatitis. * **Associated Condition:** Frequently associated with **Down Syndrome**. * **Gold Standard Diagnosis:** Contrast-enhanced CT (CECT) or MRCP.

Q: Pancreaticoduodenectomy is not indicated in which of the following conditions?

Ampullary carcinoma with secondaries in the peritoneum. **Explanation:** The core principle in surgical oncology is that a major resection like **Pancreaticoduodenectomy (Whipple’s procedure)** is indicated only when the disease is localized and potentially curable. **1. Why Option D is correct:** Ampullary carcinoma with **peritoneal secondaries** (metastasis) signifies Stage IV systemic disease. In the presence of distant metastasis, a Whipple’s procedure is **contraindicated** because it is a morbid operation that will not offer a survival benefit or cure. In such cases, palliative care (e.g., biliary stenting or bypass) is preferred over radical resection. **2. Why the other options are incorrect:** * **Option A (Multiple cysts/calcifications in the head):** In chronic pancreatitis, if the disease is localized primarily to the head of the pancreas (inflammatory mass), a Whipple’s or a Beger’s procedure is a standard surgical treatment to relieve pain and obstruction. * **Option B (Duodenal cancer):** Whipple’s procedure is the definitive curative surgery for cancers of the duodenum, as they share a common blood supply with the pancreatic head. * **Option C (Failed drainage procedure):** If a previous drainage procedure (like a Frey’s or Puestow) fails to relieve pain in chronic pancreatitis, a formal resection (Whipple’s) is often the next step to remove the "pacemaker" of pain in the pancreatic head. **Clinical Pearls for NEET-PG:** * **Absolute Contraindications for Whipple’s:** Distant metastasis (liver, peritoneum, lungs), involvement of the Superior Mesenteric Artery (SMA) >180°, or Celiac axis involvement. * **Borderline Resectable:** Involvement of the Superior Mesenteric Vein (SMV) or Portal Vein (PV) is no longer an absolute contraindication; these can often be reconstructed. * **Most common complication:** Delayed gastric emptying. * **Most serious complication:** Pancreatic fistula (leak).

Q: Ranson scoring for acute pancreatitis includes which of the following criteria?

Age > 55 years, WBC > 16000/mm³. **Explanation:** Ranson’s Criteria is a classic scoring system used to predict the severity and mortality of **acute pancreatitis**. It is unique because it assesses parameters at two distinct time points: **at admission** and **at 48 hours**. **Why Option D is Correct:** The criteria evaluated **at admission** (for non-gallstone pancreatitis) include: 1. **Age > 55 years** 2. **WBC count > 16,000/mm³** 3. Blood Glucose > 200 mg/dL 4. AST > 250 IU/L 5. LDH > 350 IU/L Option D correctly identifies two of these primary admission parameters. **Analysis of Incorrect Options:** * **Option A:** While it includes Age and WBC, the **BUN** is a parameter measured at **48 hours** (specifically an increase of >5 mg/dL), and the **LDH** threshold is incorrect (it should be >350 IU/L, not 700). * **Option B:** This is incomplete as it only lists one criterion. * **Option C:** The LDH value of >700 IU/L is incorrect for the standard Ranson score. **NEET-PG High-Yield Pearls:** * **Mnemonic for Admission (GALAW):** **G**lucose (>200), **A**ge (>55), **L**DH (>350), **A**ST (>250), **W**BC (>16k). * **Mnemonic for 48 Hours (CHOBBS):** **C**alcium ( 10%), **O**xygen (PaO₂ 5 mg/dL), **B**ase deficit (>4 mEq/L), **S**equestration of fluid (>6L). * **Clinical Significance:** A score of 6 indicates severe pancreatitis (mortality ~40%). * **Limitation:** Ranson’s score cannot be completed until 48 hours after admission, which is its main clinical drawback compared to the **APACHE II** score.

Q: A 30-year-old patient is investigated for acute pancreatitis. Which scoring system is used for the early prediction of mortality?

BISAP. **Explanation:** The **BISAP (Bedside Index for Severity in Acute Pancreatitis)** score is the preferred tool for the **early prediction** of mortality in acute pancreatitis. Its primary advantage is its simplicity and the ability to calculate it within the **first 24 hours** of admission using clinical and laboratory data. **Why BISAP is correct:** The BISAP score consists of 5 parameters (BUN >25 mg/dL, Impaired mental status, SIRS, Age >60, and Pleural effusion). A score of ≥3 is associated with a significantly increased risk of mortality. Unlike older systems, it does not require a 48-hour waiting period, making it ideal for early triage. **Analysis of Incorrect Options:** * **Balthazar scoring system:** This is a **radiological** scoring system based on CT findings (CT Severity Index). It assesses local complications (necrosis/inflammation) rather than early clinical mortality risk. * **Ranson’s Criteria:** While classic, it requires **48 hours** to complete the assessment (5 parameters at admission, 6 at 48 hours). Therefore, it cannot be used for "early" (immediate) prediction. * **APACHE II:** Though highly accurate and usable at any time, it is extremely **cumbersome** (12 physiological variables), making it less practical for routine bedside use compared to BISAP. **High-Yield Clinical Pearls for NEET-PG:** * **Most common cause of death** in early phase ( 2 weeks): Sepsis/Infected necrosis. * **Gold Standard** for diagnosing pancreatic necrosis: Contrast-Enhanced CT (CECT), ideally performed after 72–96 hours of symptom onset. * **Single best laboratory marker** for severity: C-Reactive Protein (CRP) >150 mg/L at 48 hours.

Q: All of the following are used in the treatment of acute pancreatitis EXCEPT?

Antibiotics. The management of acute pancreatitis (AP) has shifted toward conservative, supportive care. The correct answer is **Antibiotics** because current guidelines (IAP/APA) recommend against their routine prophylactic use in AP, regardless of severity or the presence of sterile necrosis. ### **Explanation of Options:** * **Antibiotics (Correct Answer):** Acute pancreatitis is primarily a chemical inflammation, not a bacterial infection. Prophylactic antibiotics do not reduce the risk of infected necrosis or mortality. They are indicated **only** if there is evidence of infection (e.g., infected necrosis, cholangitis, or extra-pancreatic infections like UTI/pneumonia). * **IV Fluids:** Aggressive fluid resuscitation (preferably Ringer’s Lactate) is the cornerstone of early management to maintain pancreatic perfusion and prevent "walled-off" necrosis and organ failure. * **Analgesics:** Pain management is vital. While NSAIDs are avoided due to renal risks, opioids (like Buprenorphine or Fentanyl) are commonly used. *Note: The old teaching that Morphine causes Sphincter of Oddi spasm is clinically insignificant.* * **Nasojejunal (NJ) Feeds:** Early enteral nutrition (within 24–72 hours) is preferred over parenteral nutrition. NJ feeds help maintain the gut mucosal barrier, preventing bacterial translocation and subsequent infection of necrotic tissue. ### **High-Yield Clinical Pearls for NEET-PG:** * **Drug of Choice for Pain:** Traditionally Pethidine (due to less Sphincter of Oddi spasm), but modern practice favors multimodal analgesia. * **Nutrition:** "Enteral is better than Parenteral." If the patient tolerates it, oral feeding is started; if not, NJ tube feeding is the gold standard for severe cases. * **Antibiotic Choice:** If infection is proven, **Carbapenems** (e.g., Imipenem) are preferred due to high pancreatic tissue penetration. * **Most common cause:** Gallstones (1st), Alcohol (2nd).

Question 1

What is the treatment of choice for annular pancreas?

Accepted Answer

Duodeno-jejunostomy

Answer

Whipple's operation

Answer

Gastro-jejunostomy

Answer

Jejuno-cystostomy

Question 2

What is the most common symptom of chronic pancreatitis?

Accepted Answer

Abdominal pain

Answer

Cachexia

Answer

Weight loss

Answer

Steatorrhoea

Question 3

Which of the following can cause pancreatitis?

Accepted Answer

Alcohol

Answer

Ascending cholangitis

Answer

Elevated parathyroid hormone (PTH)

Answer

Common bile duct stones

Question 4

Pancreaticoduodenectomy is not indicated in which of the following conditions?

Accepted Answer

Ampullary carcinoma with secondaries in the peritoneum

Answer

Multiple cysts and calcifications in the head of the pancreas

Answer

Duodenal cancer

Answer

Failed drainage procedure for chronic pancreatitis

Question 5

Ranson scoring for acute pancreatitis includes which of the following criteria?

Accepted Answer

Age > 55 years, WBC > 16000/mm³

Answer

Age > 55 years, WBC > 16000/mm³, BUN > 10 mg/dL, LDH > 700 IU/L

Answer

Age > 55 years

Answer

Age > 55 years, LDH > 700 IU/L

Question 6

A 30-year-old patient is investigated for acute pancreatitis. Which scoring system is used for the early prediction of mortality?

Accepted Answer

BISAP

Answer

Balthazar scoring system

Answer

Ranson's

Answer

APACHE II

Question 7

All of the following are used in the treatment of acute pancreatitis EXCEPT?

Accepted Answer

Antibiotics

Answer

Analgesics

Answer

IV fluids

Answer

Nasojejunal feeds

Question 8

Which of the following conditions is not an indication for pancreaticoduodenectomy?

Accepted Answer

Narrow pancreatic duct

Answer

Multiple cysts and calcifications in the head of the pancreas

Answer

Failed drainage procedure for chronic pancreatitis

Answer

Possibility of malignancy in the head of the pancreas

Question 9

A 15-year-old female presents with right upper quadrant abdominal pain. Workup reveals a choledochal cyst. Which of the following statements is true?

Accepted Answer

Patients with a choledochal cyst have an increased risk of cholangiocarcinoma.

Answer

Choledochal cysts are more common in men.

Answer

Laparoscopic cholecystectomy is the recommended treatment.

Answer

All patients with a choledochal cyst have abdominal pain, a right upper quadrant mass, and jaundice.

Question 10

A 5 cm pancreatic pseudocyst with a duration of 3 weeks should be managed by which method?

Accepted Answer

Ultrasound and follow-up

Answer

Cystogastrostomy

Answer

Needle aspiration

Answer

External drainage

Pancreatic Surgery — MCQs

Pancreatic Surgery — MCQs

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