Pancreatic Surgery Practice Questions

Q: What is the treatment for a pseudopancreatic cyst?

All of the above. A **Pseudopancreatic cyst** is a collection of pancreatic fluid surrounded by a wall of fibrous or granulation tissue (lacking an epithelial lining), typically occurring 4–6 weeks after an episode of acute pancreatitis. ### **Explanation of the Correct Answer** The management of a pseudocyst is highly individualized based on the cyst's size, location, duration, and the presence of complications. While many resolve spontaneously, symptomatic or enlarging cysts require intervention: 1. **Internal Drainage (Surgical/Endoscopic):** This is the **gold standard** for mature cysts (wall >6 weeks old). Options include Cystogastrostomy, Cystoduodenostomy, or Roux-en-Y Cystojejunostomy. 2. **Percutaneous Drainage:** Indicated for **infected pseudocysts** or in patients who are too hemodynamically unstable for surgery. However, it carries a risk of pancreaticocutaneous fistula. 3. **Pancreatectomy:** Reserved for cysts located in the **tail of the pancreas** or those associated with chronic pancreatitis where the pancreatic parenchyma is extensively diseased. Since all three modalities are recognized treatment options depending on the clinical scenario, **Option D (All of the above)** is correct. ### **Clinical Pearls for NEET-PG** * **Wait and Watch:** Most pseudocysts <6 cm and <6 weeks old resolve spontaneously. * **The "6-week rule":** Traditionally, surgeons wait 6 weeks for the cyst wall to "mature" (become firm enough to hold sutures) before attempting internal drainage. * **Most common site:** The **lesser sac** (behind the stomach). * **Most common complication:** Infection; however, **hemorrhage** (due to erosion into the splenic artery causing a pseudoaneurysm) is the most lethal. * **Investigation of choice:** Contrast-Enhanced CT (CECT) scan.

Q: Which of the following is the most rare complication of acute pancreatitis?

Retinopathy. **Explanation:** The correct answer is **Retinopathy (Purtscher’s Retinopathy)**. While acute pancreatitis presents with a wide array of systemic complications, retinopathy is considered an extremely rare manifestation. **1. Why Retinopathy is the correct answer:** Purtscher’s Retinopathy in acute pancreatitis is caused by the activation of the complement cascade and the formation of microemboli (leukocyte aggregates, fibrin, or fat) that occlude the retinal arterioles. Clinically, it presents as sudden visual loss with characteristic "cotton wool spots" and hemorrhages on fundoscopy. Its incidence is estimated at **<1%**, making it significantly rarer than the other listed complications. **2. Why other options are incorrect:** * **Hypotension:** Very common. It occurs due to "third-spacing" of fluids, systemic inflammatory response syndrome (SIRS), and kinin release leading to vasodilation. * **Jaundice:** Common (approx. 20-30%). It usually occurs due to compression of the intrapancreatic portion of the common bile duct by an edematous pancreatic head or due to an underlying gallstone (biliary pancreatitis). * **Hypertriglyceridemia:** Both a cause and a common metabolic consequence of acute pancreatitis. It is frequently seen in alcohol-induced cases or patients with underlying Type I, IV, or V hyperlipoproteinemia. **High-Yield Clinical Pearls for NEET-PG:** * **Purtscher’s Retinopathy** is also associated with severe head trauma and chest compression. * **Most common cause of death** in early pancreatitis ( 2 weeks), it is **Sepsis/Infected necrosis**. * **Grey Turner’s sign** (flank ecchymosis) and **Cullen’s sign** (periumbilical ecchymosis) indicate retroperitoneal hemorrhage and signify severe necrotizing pancreatitis.

Q: What is the maximum risk of carcinoma of the pancreas seen in which of these conditions?

Peutz-Jeghers syndrome. ### Explanation The risk of pancreatic adenocarcinoma is significantly elevated in several hereditary syndromes. To answer this question correctly, one must compare the **Relative Risk (RR)** or **Cumulative Lifetime Risk** associated with each condition. **1. Why Peutz-Jeghers Syndrome (PJS) is Correct:** PJS, caused by a germline mutation in the **STK11 (LKB1)** gene, carries the highest cumulative lifetime risk for pancreatic cancer among the options provided. Patients with PJS have a **132-fold increased relative risk**, with a cumulative lifetime risk of developing pancreatic cancer estimated at **36% to 52%**. This makes it the strongest syndromic risk factor listed. **2. Analysis of Incorrect Options:** * **Hereditary Pancreatitis (HP):** Caused primarily by **PRSS1** mutations. While it carries a massive lifetime risk (approx. 40%), the relative risk (approx. 50-80 fold) is statistically lower than that of PJS in most surgical literature. * **Hereditary Atypical Multiple Mole Melanoma (FAMMM):** Caused by **CDKN2A** mutations. The lifetime risk of pancreatic cancer is roughly **10-17%**, which is significant but lower than PJS. * **Familial Adenomatous Polyposis (FAP):** Caused by **APC** mutations. While FAP increases the risk of periampullary and duodenal cancers, the specific risk for pancreatic adenocarcinoma is relatively low (less than 5%). **Clinical Pearls for NEET-PG:** * **Highest Relative Risk:** Peutz-Jeghers Syndrome (>100x). * **Most Common Genetic Mutation in Sporadic Pancreatic Cancer:** **K-ras** (90% of cases), followed by CDKN2A, TP53, and SMAD4. * **Screening:** High-risk individuals (like those with PJS) should undergo screening starting at age 30-35 with Endoscopic Ultrasound (EUS) or MRCP. * **Trousseau Sign:** Migratory thrombophlebitis associated with pancreatic visceral malignancy.

Q: All are features of a pseudopancreatic cyst except?

Treatment of choice is percutaneous aspiration. **Explanation:** A **Pseudopancreatic cyst** is a localized collection of fluid, rich in amylase and other pancreatic enzymes, typically occurring as a complication of acute or chronic pancreatitis or pancreatic trauma. **Why Option D is the Correct Answer (The "Except"):** Percutaneous aspiration is **not** the treatment of choice. It is associated with a high failure rate and a high risk of recurrence and secondary infection. The definitive management depends on the symptoms and maturity of the cyst wall. For symptomatic or enlarging pseudocysts, the gold standard is **internal drainage** (e.g., Cystogastrostomy, Cystoduodenostomy, or Roux-en-Y Cystojejunostomy), usually performed after 6 weeks to allow the cyst wall to mature. **Analysis of Other Options:** * **Option A:** True. Pseudocysts most commonly follow an episode of acute pancreatitis (occurring in about 10% of cases) or blunt abdominal trauma. * **Option B:** True. Unlike true cysts, pseudocysts lack an epithelial lining. They are lined by **granulation tissue and fibrosis**, which is why they are termed "pseudo." * **Option C:** True. Approximately 50% of pseudocysts regress spontaneously, especially those <6 cm in size and those that have been present for less than 6 weeks. **Clinical Pearls for NEET-PG:** * **Timing:** Wait **6 weeks** for the wall to mature before surgical intervention. * **Location:** Most common site is the **lesser sac**. * **Investigation of Choice:** **CECT** is the gold standard for diagnosis and monitoring. * **Most common complication:** Infection (forming a pancreatic abscess). * **Most serious complication:** Hemorrhage due to erosion into a vessel (commonly the **splenic artery**), leading to a hemosuccus pancreaticus.

Q: Splenectomy is often indicated in the management of which of the following conditions?

Hereditary spherocytosis. **Explanation:** **Hereditary Spherocytosis (HS)** is the correct answer because it is the most common indication for elective splenectomy in children and young adults. In HS, a defect in red blood cell (RBC) membrane proteins (like spectrin or ankyrin) leads to the formation of spherical, rigid cells. These spherocytes are trapped and destroyed by the splenic macrophages in the cords of Billroth. While splenectomy does not cure the underlying genetic defect, it significantly increases RBC lifespan, resolves hemolytic anemia, and reduces the risk of pigment gallstones. **Analysis of Incorrect Options:** * **Hereditary Neurofibromatosis:** This is a neurocutaneous syndrome (NF1/NF2) characterized by tumors of the nerve sheath (neurofibromas), café-au-lait spots, and Lisch nodules. It has no primary hematologic component requiring splenectomy. * **Aplastic Anemia:** This is a bone marrow failure syndrome. Treatment focuses on bone marrow transplantation or immunosuppressive therapy (ATG/Cyclosporine). Splenectomy is not indicated as the pathology is central (production failure), not peripheral destruction in the spleen. * **Pheochromocytoma:** This is a catecholamine-secreting tumor of the adrenal medulla. The management is medical stabilization (alpha/beta-blockade) followed by adrenalectomy, not splenectomy. **Clinical Pearls for NEET-PG:** * **Timing:** In HS, splenectomy is ideally delayed until after age 5–6 to reduce the risk of **OPSI (Overwhelming Post-Splenectomy Infection)**. * **Concomitant Procedure:** Always screen for gallstones via ultrasound before surgery; if present, a cholecystectomy is performed simultaneously. * **Prophylaxis:** Patients must receive vaccinations against *S. pneumoniae*, *H. influenzae*, and *N. meningitidis* at least 2 weeks prior to elective surgery. * **Post-Op Finding:** Look for **Howell-Jolly bodies** on the peripheral smear post-splenectomy.

Q: Which of the following is NOT used for the routine medical treatment of acute pancreatitis?

Gabexate mesilate. **Explanation:** The management of acute pancreatitis (AP) focuses on aggressive fluid resuscitation, analgesia, and nutritional support. **Gabexate mesilate** is a synthetic low-molecular-weight protease inhibitor designed to inhibit trypsin and other inflammatory mediators. While theoretically sound, multiple clinical trials and meta-analyses have shown that it does not significantly improve clinical outcomes, reduce mortality, or prevent complications in routine cases of AP. Therefore, it is not recommended for routine medical treatment. **Analysis of Options:** * **Ringer’s Lactate (RL):** This is the **fluid of choice** for initial resuscitation. RL has been shown to reduce systemic inflammation (measured by CRP levels) and the incidence of Systemic Inflammatory Response Syndrome (SIRS) compared to Normal Saline. * **Normal Saline (NS):** While RL is preferred, NS is a standard isotonic crystalloid used for volume expansion in AP, especially if RL is unavailable or contraindicated (e.g., hypercalcemia). * **Intravenous Opiates:** Pain management is a cornerstone of therapy. IV opioids (e.g., Fentanyl, Hydromorphone) are the standard of care. Contrary to older teaching, Morphine is now considered safe as there is no clinical evidence that it causes significant Sphincter of Oddi dysfunction in AP. **High-Yield Clinical Pearls for NEET-PG:** * **Most common cause of AP:** Gallstones (Global/India), followed by Alcohol. * **Fluid Resuscitation:** The most critical step in the first 12–24 hours. * **Antibiotics:** Routine prophylactic antibiotics are **not** recommended; they are only indicated for infected pancreatic necrosis. * **Feeding:** Early enteral nutrition (within 24 hours) is preferred over parenteral nutrition to maintain the gut barrier and prevent bacterial translocation.

Question 1

A 23-year-old male college student has a history of liver cirrhosis due to an abnormality in copper metabolism. He should be treated with which of the following?

Accepted Answer

Penicillamine as soon as the diagnosis is established

Answer

Penicillamine after variceal bleeding has occurred

Answer

A portocaval shunt

Answer

Sclerosis of the esophageal varices as a prophylactic measure

Question 2

What is the treatment for a pseudopancreatic cyst?

Accepted Answer

All of the above

Answer

Percutaneous drainage

Answer

Pancreatectomy

Answer

Internal drainage (surgical)

Question 3

Which of the following is the most rare complication of acute pancreatitis?

Accepted Answer

Retinopathy

Answer

Hypotension

Answer

Jaundice

Answer

Hypertriglyceridemia

Question 4

Which of the following is NOT a cause of acute pancreatitis?

Accepted Answer

Starvation

Answer

Gallstones

Answer

Alcohol

Answer

Hypercalcemia

Question 5

What is the maximum risk of carcinoma of the pancreas seen in which of these conditions?

Accepted Answer

Peutz-Jeghers syndrome

Answer

Hereditary atypical multiple mole melanoma syndrome

Answer

Hereditary pancreatitis

Answer

Familial adenomatous polyposis

Question 6

Pancreaticoduodenectomy is the treatment of choice for which of the following conditions?

Accepted Answer

Pancreatic carcinoma

Answer

Duodenal carcinoma

Answer

Gallbladder carcinoma

Answer

Gastric carcinoma

Question 7

All are features of a pseudopancreatic cyst except?

Accepted Answer

Treatment of choice is percutaneous aspiration

Answer

Follows acute pancreatitis

Answer

Lined by false epithelium

Answer

May regress spontaneously

Question 8

Splenectomy is often indicated in the management of which of the following conditions?

Accepted Answer

Hereditary spherocytosis

Answer

Hereditary neurofibromatosis

Answer

Aplastic anemia

Answer

Pheochromocytoma

Question 9

Which of the following is NOT used for the routine medical treatment of acute pancreatitis?

Accepted Answer

Gabexate mesilate

Answer

Ringer's Lactate

Answer

Normal Saline

Answer

Intravenous opiates

Question 10

Which of the following statements about pancreatic carcinoma is not true?

Accepted Answer

Median survival in locally advanced (stage III) disease is 3-6 months

Answer

Mutation in the P53 gene is associated in 75% of cases

Answer

Hereditary pancreatitis significantly increases the risk

Answer

Five-year survival after curative pancreaticoduodenectomy is 15-20%

Pancreatic Surgery — MCQs

Pancreatic Surgery — MCQs

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