Acute Pancreatitis — MCQs
Cullen's sign is associated with which of the following?
Which finding best predicts poor outcome in acute pancreatitis at admission?
Which of the following is NOT a common complication of acute pancreatitis?
A 55 years old male with a known history of gallstones presents with chief complaints of severe abdominal pain and elevated levels of serum lipase with periumbilical ecchymosis. All of the following are prognostic criteria to predict the severity of acute pancreatitis except:
In acute pancreatitis, surgery is indicated in which one of the following conditions?
After pancreaticoduodenectomy (PD surgery), when should the first postoperative follow-up visit be scheduled to assess the patient's recovery?
Pancreatic pseudocysts developing complications are best managed by?
Which of the following is not an indication for surgical intervention in acute pancreatitis?
What is the median survival time for patients with carcinoma of the pancreas after surgery and adjuvant therapy?
A 65-year-old patient presents with obstructive jaundice and 15 kg weight loss. An ultrasound shows a 4 cm mass in the head of the pancreas with dilated bile ducts. Further work up includes a helical CT scan. The study shows several lesions consistent with metastasis in the right and left lobes of the liver and encasement of gastroduodenal artery. The most appropriate treatment would be:
Acute Pancreatitis Indian Medical PG Practice Questions and MCQs
Question 1: Cullen's sign is associated with which of the following?
- A. Bluish discolouration in the umbilicus (Correct Answer)
- B. Subcutaneous fat necrosis
- C. Bluish discolouration of the flanks
- D. Migratory thrombophlebitis
Explanation: ***Bluish discolouration in the umbilicus*** - **Cullen's sign** is characterized by **periumbilical ecchymosis** or bluish discoloration around the umbilicus. - It is a sign of **retroperitoneal hemorrhage**, often associated with **acute pancreatitis** [1], but also can be caused by ruptured ectopic pregnancy [2] or aortic rupture. *Subcutaneous fat necrosis* - This condition involves the death of fat cells under the skin, often presenting as firm, red nodules or plaques. - While it can occur in various contexts, it is not specifically known as Cullen's sign and does not inherently involve umbilical discoloration. *Bluish discolouration of the flanks* - This description refers to **Grey Turner's sign**, which is ecchymosis or discoloration of the flanks. - **Grey Turner's sign** is also indicative of retroperitoneal hemorrhage, often seen in severe acute pancreatitis, but it is distinct from Cullen's sign which is periumbilical. *Migratory thrombophlebitis* - This condition involves recurrent inflammation and thrombosis of superficial veins in different locations over time. - It is also known as **Trousseau's sign of malignancy** and is associated with visceral cancers, particularly pancreatic adenocarcinoma, but it is unrelated to Cullen's sign.
Question 2: Which finding best predicts poor outcome in acute pancreatitis at admission?
- A. Ranson score >3 (Correct Answer)
- B. Serum lipase >1000
- C. Blood glucose >200
- D. Pleural effusion
Explanation: ***Ranson score >3*** - A **Ranson score** greater than 3 on admission is a strong predictor of **severe acute pancreatitis** and increased **mortality** [1]. - The Ranson criteria assess multiple parameters, including age, WBC count, LDH, AST, and glucose, providing a comprehensive risk assessment [1]. *Serum lipase >1000* - An elevated **serum lipase level** is highly diagnostic of acute pancreatitis but does not directly correlate with disease severity or prognosis. - While reflecting pancreatic inflammation, lipase levels often do not predict the development of **organ failure** or **necrotizing pancreatitis** [1]. *Blood glucose >200* - **Hyperglycemia** at admission is one of the Ranson criteria, but as a single parameter, it is not as strong a predictor of poor outcome as the complete score. - Isolated high glucose can be due to stress or pre-existing **diabetes**, contributing to some severity but not sufficient for widespread poor prognosis without other factors. *Pleural effusion* - **Pleural effusion** can be a complication of severe pancreatitis, indicating surrounding inflammation. - However, its presence at admission, without other markers of severity, is less predictive of overall poor outcome than a validated scoring system like the Ranson score which assesses multiple systemic factors.
Question 3: Which of the following is NOT a common complication of acute pancreatitis?
- A. Subcutaneous fat necrosis
- B. Hyperlipidemia
- C. Hypercalcemia (Correct Answer)
- D. Increased amylase level
Explanation: ***Hypercalcemia*** - Acute pancreatitis is primarily associated with **increased amylase levels** and **hyperlipidemia**, while hypercalcemia is generally a separate condition. - It is not a classical complication or result of acute pancreatitis, but rather might be a cause in cases like **hyperparathyroidism** [1]. *Subcutaneous fat necrosis* - This occurs as a result of **lipolysis** during acute pancreatitis due to the release of **lipases** into circulation [1]. - It is characterized by the presence of **fat necrosis** on the abdomen or buttocks. *Increased amylase level* - A hallmark of acute pancreatitis is **elevated levels of amylase** and sometimes lipase, indicating pancreatic inflammation [1]. - The rise typically occurs within the first 24 hours of the onset of pancreatitis. *Hyperlipidemia* - This is often found in acute pancreatitis due to excess **lipolysis**, leading to elevated triglycerides in the blood [1]. - It can be both a cause and a consequence of pancreatic inflammation, contributing to the disease process [1].
Question 4: A 55 years old male with a known history of gallstones presents with chief complaints of severe abdominal pain and elevated levels of serum lipase with periumbilical ecchymosis. All of the following are prognostic criteria to predict the severity of acute pancreatitis except:
- A. Serum GGT (Correct Answer)
- B. Serum LDH
- C. Base deficit
- D. Age
Explanation: ***Serum GGT*** - **Serum GGT (gamma-glutamyl transpeptidase)** is primarily used to evaluate liver and bile duct function and cholestasis, not as a direct prognostic indicator for acute pancreatitis severity. - While gallstones are mentioned, GGT elevation in this context would suggest the cause of pancreatitis rather than its severity. *Age* - **Age older than 55 years** is a significant prognostic factor in various scoring systems like Ranson's criteria and the APACHE II score, indicating a higher risk of severe disease and complications [1]. - Older patients generally have less physiologic reserve and are more prone to organ failure during severe pancreatitis [1]. *Serum LDH* - **Elevated serum LDH (lactate dehydrogenase)**, specifically above 350 IU/L, is one of Ranson's criteria for assessing the severity of acute pancreatitis within the first 48 hours. - It suggests significant tissue damage and necrosis, which correlates with worse outcomes. *Base deficit* - A **base deficit greater than 4 mEq/L** is an indicator of metabolic acidosis and is included in prognostic scoring systems for acute pancreatitis, such as the modified Glasgow criteria. - It reflects poor tissue perfusion, hypovolemia, and potentially severe systemic inflammation.
Question 5: In acute pancreatitis, surgery is indicated in which one of the following conditions?
- A. Infected pancreatic necrosis (Correct Answer)
- B. Acute pseudocyst
- C. Acute fluid collection
- D. Sterile pancreatic necrosis
Explanation: ***Infected pancreatic necrosis*** - **Infected pancreatic necrosis** is a severe complication of acute pancreatitis requiring surgical or percutaneous debridement (necrosectomy) to remove infected tissue and prevent sepsis. - The presence of infection in necrotic tissue significantly increases morbidity and mortality, making intervention crucial. *Acute pseudocyst* - An acute pseudocyst is usually managed conservatively and only requires intervention if it is **symptomatic**, rapidly expanding, or becomes infected. - Surgical drainage is typically reserved for large, symptomatic, or complicated pseudocysts that persist beyond 6 weeks. *Acute fluid collection* - **Acute fluid collections** are generally self-limiting and resolve without intervention. - They are typically asymptomatic and represent an early stage of fluid accumulation, often preceding pseudocyst formation. *Sterile pancreatic necrosis* - **Sterile pancreatic necrosis** is usually managed with supportive care, as surgical intervention in the absence of infection does not improve outcomes and may increase complications. - The key distinction is the absence of infection—surgery is indicated only when necrosis becomes infected.
Question 6: After pancreaticoduodenectomy (PD surgery), when should the first postoperative follow-up visit be scheduled to assess the patient's recovery?
- A. 3 weeks
- B. 4 weeks
- C. 1 week
- D. 2 weeks (Correct Answer)
Explanation: ***2 weeks*** - A 2-week recall after **pancreaticoduodenectomy (PD surgery)** allows sufficient time for early postoperative complications to manifest while still being within a window for timely intervention. - This timeframe enables assessment of **wound healing**, resolution of ileus, nutritional status, and early recognition of issues like **pancreatic fistula** or **delayed gastric emptying**. *1 week* - A 1-week recall might be too early to identify some significant complications that typically present slightly later, such as **pancreatic fistula**. - At this stage, patients are often still in the acute recovery phase, making comprehensive outpatient assessment less informative. *3 weeks* - Delaying recall until 3 weeks might be too late for optimal management of certain **postoperative complications**, potentially leading to more severe outcomes. - Early symptoms of complications could be missed, increasing the risk of re-admission or prolonged recovery. *4 weeks* - By 4 weeks, many **early complications** that require timely intervention may have become more advanced or difficult to manage. - This recall period is often used for a more routine follow-up rather than immediate assessment of acute recovery.
Question 7: Pancreatic pseudocysts developing complications are best managed by?
- A. Conservative treatment
- B. Surgery (Correct Answer)
- C. Radiologically guided interventions
- D. External drainage
Explanation: ***Surgery*** - When pancreatic pseudocysts develop **complications** (infection, hemorrhage, rupture, gastric outlet/biliary obstruction), definitive management is required. - Surgical internal drainage procedures (**cyst-gastrostomy**, **cyst-jejunostomy**, or **cyst-duodenostomy**) provide durable treatment by creating a permanent communication between the mature pseudocyst and the GI tract. - Surgery is particularly indicated when the pseudocyst has a **mature wall (>6 weeks)**, is **large (>6 cm)**, or when endoscopic approaches are not feasible or have failed. - While endoscopic drainage (EUS-guided) is increasingly used as first-line therapy, surgery remains the gold standard for complicated pseudocysts requiring definitive management, especially with complex anatomy or failed minimally invasive approaches. *Conservative treatment* - Conservative management with observation, pain control, and nutritional support is appropriate only for **asymptomatic, small (<6 cm)**, and **uncomplicated pseudocysts** with high likelihood of spontaneous resolution. - Once complications develop, conservative treatment is **inadequate** and poses risks of further deterioration. *Radiologically guided interventions* - Percutaneous drainage may be used for **infected pseudocysts** or as a temporizing measure, but carries high risk of **external fistula formation** (25-50%) and **recurrence**. - Does not provide internal drainage and is generally less effective than surgical or endoscopic internal drainage for complicated pseudocysts. - Not considered definitive management when complications are present. *External drainage* - External percutaneous catheter drainage is primarily a **temporizing measure** for critically ill patients or infected pseudocysts not amenable to other approaches. - High risk of **pancreaticocutaneous fistula** formation and does not address the underlying pancreatic duct communication. - Requires subsequent definitive management in most cases; not appropriate as primary treatment for complicated pseudocysts.
Question 8: Which of the following is not an indication for surgical intervention in acute pancreatitis?
- A. Diagnostic dilemma
- B. Pancreatic abscess
- C. Infected pancreatic necrosis
- D. Acute fluid collection (Correct Answer)
Explanation: ***Acute fluid collection*** - **Acute fluid collections** are common in acute pancreatitis and are often **sterile** and resolve spontaneously without intervention. - Early surgical intervention for uncomplicated acute fluid collections is generally **contraindicated** due to high morbidity and mortality. *Diagnostic dilemma* - When the diagnosis of acute pancreatitis is uncertain and other surgical emergencies, such as **perforated viscus** or **ischemic bowel**, cannot be ruled out, surgery may be necessary. - An **exploratory laparotomy** can help confirm the diagnosis and address any concurrent surgical pathology. *Pancreatic abscess* - A **pancreatic abscess** is a localized collection of pus in or near the pancreas, indicating **infected necrotic tissue**. - Surgical drainage and debridement are typically required to control the infection and prevent systemic sepsis. *Infected pancreatic necrosis* - **Infected pancreatic necrosis** is a severe complication of acute pancreatitis with high mortality, often requiring surgical debridement (necrosectomy). - While sterile necrosis may be managed conservatively, **infected necrosis** necessitates intervention to remove the source of infection.
Question 9: What is the median survival time for patients with carcinoma of the pancreas after surgery and adjuvant therapy?
- A. Approximately 12 months
- B. Approximately 32 months
- C. Approximately 22 months (Correct Answer)
- D. Approximately 44 months
Explanation: ***Approximately 22 months*** - The median survival for patients with **resectable pancreatic adenocarcinoma** treated with surgery (typically pancreaticoduodenectomy) and adjuvant chemotherapy is approximately **22-28 months** based on contemporary studies. - The 22-month figure represents a well-established median from multiple clinical trials including **ESPAC-1 and CONKO-001**, making it the most representative answer among the options provided. - This outcome reflects significant improvement from the pre-adjuvant therapy era but still underscores the aggressive biology of pancreatic cancer. *Approximately 12 months* - This figure represents **historical median survival** prior to the routine use of effective adjuvant chemotherapy, or survival in patients with **unresectable locally advanced disease** treated with palliative chemotherapy alone. - It is **not representative** of outcomes in patients who undergo complete surgical resection followed by modern adjuvant therapy. *Approximately 32 months* - While highly selected patients with **favorable tumor biology** (small tumors, negative margins, low CA 19-9) and optimal response to modern regimens like **FOLFIRINOX** may approach this survival, it exceeds the **median survival** for the general population of resected patients. - This represents the upper quartile rather than the median outcome. *Approximately 44 months* - This exceptionally long survival is **not achieved** as a median in pancreatic ductal adenocarcinoma, even with optimal surgical resection and adjuvant therapy. - Such prolonged survival is occasionally seen in **highly selected patients** or with less aggressive pancreatic neoplasms (e.g., neuroendocrine tumors, intraductal papillary mucinous neoplasms with invasive component), which have substantially better prognoses than typical ductal adenocarcinoma.
Question 10: A 65-year-old patient presents with obstructive jaundice and 15 kg weight loss. An ultrasound shows a 4 cm mass in the head of the pancreas with dilated bile ducts. Further work up includes a helical CT scan. The study shows several lesions consistent with metastasis in the right and left lobes of the liver and encasement of gastroduodenal artery. The most appropriate treatment would be:
- A. Total pancreatectomy
- B. Biliary and gastric bypass
- C. Pancreaticoduodenectomy (Whipple procedure)
- D. Endoscopic stenting of bile duct (Correct Answer)
Explanation: **_Endoscopic stenting of bile duct_** - The presence of **distant liver metastases** and **vascular encasement** makes the disease inoperable and renders curative surgery impossible. - **Endoscopic stenting** offers effective palliation for **obstructive jaundice**, improving quality of life by relieving symptoms such as itching and nausea, and preventing cholangitis. *Total pancreatectomy* - This is an **extensive surgical procedure** suitable for resectable pancreatic head tumors without metastatic disease. - It is **highly morbid** and not indicated in the presence of **liver metastases** and **vascular encasement**, as it would not be curative and carries significant risks. *Biliary and gastric bypass* - This procedure aims to relieve both **biliary obstruction** and potential gastric outlet obstruction, which can occur from pancreatic head tumors. - While it addresses symptoms, it is still a **surgical intervention** with associated risks and is generally reserved for patients with a longer life expectancy or when endoscopic stenting is unsuccessful or unfeasible. It is not the most appropriate initial palliative step given the metastatic disease. *Pancreaticoduodenectomy (Whipple procedure)* - The **Whipple procedure** is the standard curative surgical treatment for **resectable pancreatic head cancers**. - However, the patient's presentation with **liver metastases** and **gastroduodenal artery encasement** indicates unresectable disease, making this procedure inappropriate and potentially harmful.
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