Hepatobiliary Surgery — MCQs

Hepatobiliary Surgery Indian Medical PG Practice Questions and MCQs

Question 521: A 60-year-old male presented with jaundice, pale stools, dark urine, and a mass in the epigastric region. Which of the following diagnoses is least likely to be the cause of these symptoms?

A. Biliary Cancer
B. Periampullary Cancer
C. Pancreatic Cancer
D. Chronic Cholecystitis (Correct Answer)

Explanation: ***Chronic Cholecystitis*** - While chronic cholecystitis can cause epigastric pain, it rarely presents with **jaundice**, **pale stools**, and **dark urine** because it typically does not obstruct the common bile duct. - The presence of a palpable **epigastric mass** is also not a common feature of chronic cholecystitis. *Biliary Cancer* - **Biliary cancer**, particularly choledochal cancer, can cause **obstructive jaundice**, leading to **pale stools** (lack of bilirubin) and **dark urine** (conjugated bilirubin in urine). - A mass in the **epigastric region** could represent an enlarged gallbladder due to distal obstruction (Courvoisier's sign) or the tumor itself. *Periampullary Cancer* - **Periampullary cancers**, which arise near the ampulla of Vater, characteristically cause **obstructive jaundice**, presenting with **pale stools** and **dark urine**. - A mass in the **epigastric region** might be the tumor or a dilated gallbladder due to bile duct obstruction. *Pancreatic cancer* - **Pancreatic head cancer** frequently obstructs the common bile duct, resulting in **jaundice**, **pale stools**, and **dark urine**. - An **epigastric mass** can be the palpable tumor itself or an enlarged, distended gallbladder.

Question 522: What is the most important presenting feature of periampullary carcinoma?

A. Jaundice (Correct Answer)
B. Abdominal Pain
C. Unintentional Weight Loss
D. Palpable Abdominal Mass

Explanation: ***Jaundice*** - **Painless obstructive jaundice** is the hallmark symptom, occurring early due to the tumor's proximity to the common bile duct. - The obstruction of bile flow leads to the accumulation of **bilirubin**, causing yellow discoloration of the skin and eyes. *Abdominal Pain* - While **abdominal pain** can occur, it is often a later symptom and is less specific than jaundice for early diagnosis. - Pain typically arises from tumor growth, invasion of surrounding structures, or pancreatic involvement. *Unintentional Weight Loss* - **Unintentional weight loss** is a common constitutional symptom of many advanced malignancies, including periampullary carcinoma. - However, it usually manifests at a later stage and is not the initial, specific presenting feature that prompts investigation. *Palpable Abdominal Mass* - A **palpable abdominal mass** is rare in early periampullary carcinoma, as these tumors are typically small and deeply seated. - Its presence usually indicates advanced disease with significant tumor burden or metastasis.

Question 523: Which of the following structures does NOT pass through Calot's triangle?

A. Right hepatic artery
B. Lymph node of Lund
C. Portal vein (Correct Answer)
D. Cystic artery

Explanation: ***Portal vein*** - The **portal vein** is a major vessel that carries venous blood from the gastrointestinal tract and spleen to the liver; it is located within the **porta hepatis** and does not pass through Calot's triangle. - Its position is medial and posterior to the structures within Calot's triangle, making it an unlikely structure to be inadvertently ligated during cholecystectomy. *Cystic artery* - The **cystic artery** is a consistent structure found within Calot's triangle, typically arising from the **right hepatic artery**. - Its presence in the triangle makes it a primary target for ligation during **cholecystectomy**. *Right hepatic artery* - The **right hepatic artery** typically runs **superior to Calot's triangle** and gives off the cystic artery which enters the triangle. - While the right hepatic artery itself does not routinely pass through the triangle, anatomical variations may bring it into close proximity, and it can be at risk of injury during dissection if the critical view of safety is not established. *Lymph node of Lund* - The **lymph node of Lund**, also known as the cystic lymph node, is a key landmark located within Calot's triangle. - Its presence is important for identifying the boundaries of the triangle and assessing for inflammation or malignancy related to the gallbladder.

Question 524: In the Bismuth-Corlette classification, which type involves the hepatic duct confluence WITHOUT extension into secondary intrahepatic ducts?

A. Type II (Correct Answer)
B. Type IIIb
C. Type I
D. Type IV
E. Type IIIa
F. Type III

Explanation: ***Type II*** - This classification specifically describes **cholangiocarcinomas** located at the **hepatic duct confluence** without extension into secondary intrahepatic ducts. - **Type II tumors** involve the hepatic duct confluence but **do not extend** into the right or left secondary intrahepatic ducts. - This is the defining feature that distinguishes Type II from Type III variants. *Type I* - **Type I tumors** are located at least **2 cm distal to the hepatic duct bifurcation**. - This type involves the **common hepatic duct** and **spares the confluence** completely. - Does not meet the criteria of involving the confluence. *Type IIIa* - **Type IIIa tumors** involve the **hepatic duct confluence** with extension into the **right secondary intrahepatic ducts**. - This represents extension **beyond** the confluence, unlike Type II. - The extension into secondary ducts is the key differentiating feature. *Type IIIb* - **Type IIIb tumors** involve the **hepatic duct confluence** with extension into the **left secondary intrahepatic ducts**. - This represents extension **beyond** the confluence, unlike Type II. - The extension pattern differs from Type IIIa by involving the left rather than right system.

Question 525: What is the primary condition treated by the Kasai operation?

A. Biliary atresia (Correct Answer)
B. Choledochal cyst
C. Hepatocellular carcinoma
D. Primary biliary cirrhosis

Explanation: ***Biliary atresia*** - The **Kasai operation**, or **hepatoportoenterostomy**, is the primary surgical treatment for **biliary atresia**, a condition where the bile ducts are blocked or absent. - The procedure aims to establish bile flow from the liver to the small intestine to prevent liver damage. *Choledochal cyst* - A **choledochal cyst** is a congenital dilation of the bile ducts and is typically treated by surgical excision of the cyst and a **Roux-en-Y hepaticojejunostomy**. - While it involves the biliary system, it is a distinct condition from biliary atresia and requires a different surgical approach. *Hepatocellular carcinoma* - **Hepatocellular carcinoma** is a primary liver cancer, and its treatment options range from **surgical resection** and **transplantation** to **chemotherapy** and **radiation**, which are distinctly different from the Kasai operation. - The Kasai operation is not used for malignant conditions of the liver or bile ducts. *Primary biliary cirrhosis* - **Primary biliary cirrhosis** is a chronic autoimmune disease affecting the small bile ducts within the liver, causing progressive cholestasis. - Its management is primarily medical, focusing on symptom control and preventing disease progression with drugs like **ursodeoxycholic acid**, and surgery is not a primary treatment.

Question 526: What is the standard intercostal space used for hepatic biopsy?

A. 5th
B. 9th (Correct Answer)
C. 7th
D. 11th

Explanation: ***Correct Option: 9th*** - The **9th intercostal space** in the mid-axillary line is the standard and most commonly used entry point for percutaneous liver biopsy. - This location provides safe access to the **right lobe of the liver** while avoiding injury to the **pleura** and **lungs** superiorly and minimizing risk to the **kidney** and other abdominal organs inferiorly. - At this level, the liver is sufficiently large and the approach avoids the pleural reflection, which typically descends to the 8th-9th intercostal space. - Standard surgical textbooks (Sabiston, Schwartz) recommend the **8th-10th intercostal space**, with the 9th being most frequently used. *Incorrect Option: 5th* - The **5th intercostal space** is far too high for liver biopsy and would result in puncturing the **lung** or **pleura**, causing **pneumothorax** or hemothorax. - This space is well above the liver margin and is not suitable for hepatic access. *Incorrect Option: 7th* - While the **7th intercostal space** may occasionally be mentioned, it is generally considered **too high** for routine percutaneous liver biopsy. - This level carries increased risk of **pleural injury** as the pleural reflection may extend to this level, especially during deep inspiration. - It is not the standard or preferred approach in current surgical practice. *Incorrect Option: 11th* - The **11th intercostal space** is too low and significantly increases the risk of injuring the **right kidney** or entering the peritoneal cavity with potential injury to bowel or other abdominal structures. - This space is below the optimal liver access zone and is not recommended for routine liver biopsy.

Question 527: Pringle's manoeuvre may be required for treatment of

A. Injury to tail of pancreas
B. Bleeding esophageal varices
C. Liver laceration (Correct Answer)
D. Mesenteric ischemia

Explanation: ***Liver laceration*** - **Pringle's manoeuvre** involves clamping the **hepatoduodenal ligament** to control blood flow to the liver, effectively managing bleeding from **liver lacerations**. - This maneuver helps to differentiate between hepatic and non-hepatic bleeding sources during abdominal surgery. *Injury to tail of pancreas* - An injury to the **tail of the pancreas** is usually managed by surgical resection or repair of the damaged pancreatic tissue, and Pringle's manoeuvre does not directly address this. - The pancreas is supplied by branches of the **celiac axis** and **superior mesenteric artery**, which are not occluded by Pringle's manoeuvre. *Mesenteric ischemia* - **Mesenteric ischemia** is a condition involving reduced blood flow to the intestines via the **mesenteric arteries**; Pringle's manoeuvre would not be an appropriate treatment. - Treatment for mesenteric ischemia typically involves revascularization of the affected mesenteric vessels. *Bleeding esophageal varices* - **Bleeding esophageal varices** are managed by therapies like **endoscopic band ligation**, sclerotherapy, or octreotide infusion. - Pringle's manoeuvre is not indicated for treating bleeding from esophageal varices, as these are related to portal hypertension and not direct hepatic artery/portal vein bleeds.

Question 528: Which of the following is not true about hydatid cysts of the liver?

A. Conservative treatment is effective in elderly with small cyst
B. Surgical management is done
C. CT shows pathognomonic ring-like calcification
D. Mostly in left lobe (Correct Answer)

Explanation: ***Mostly in left lobe*** - **Hydatid cysts** (Echinococcosis) caused by the parasite **Echinococcus granulosus** are most commonly found in the **right lobe of the liver** (75%), followed by the left lobe (15-20%), and then other sites. - The liver is the **primary site** of involvement in around 75% of cases because it is the **first capillary bed** encountered by the swallowed eggs. *Surgical management is done* - **Surgical removal** is often the definitive treatment for **hydatid cysts**, particularly for large, symptomatic, or complicated cysts. - Procedures can range from **cystectomy** (removal of the cyst wall) to **radical resections** depending on the cyst's location and size. *Conservative treatment is effective in elderly with small cyst* - **Conservative management** or "watch and wait" is a viable option for **asymptomatic, small cysts**, especially in **elderly patients** or those with significant comorbidities where surgery might pose a high risk. - **Antiparasitic medications** like **albendazole** are also used, sometimes alone for smaller cysts, or in conjunction with other treatments. *CT shows pathognomonic ring-like calcification* - **Computed tomography (CT)** scans can show characteristic features such as a **"daughter cyst" formation** within the mother cyst or **ring-like calcification** of the cyst wall, which are highly suggestive of a **hydatid cyst**. - While not universally present, the presence of **calcification** is a strong indicator, though the diagnostic gold standard often involves serology and imaging.

Question 529: Which of the following is not a common symptom associated with common bile duct (CBD) stones?

A. Fever
B. Jaundice
C. Pain
D. Septic shock (Correct Answer)

Explanation: ***Septic shock*** - While **sepsis** can occur as a complication of **cholangitis** due to CBD stones, **septic shock** itself is a severe, life-threatening systemic response and not a *common symptom* directly associated with the presence of uncomplicated CBD stones. - It represents a late, severe complication of infection rather than an initial or typical presentation. *Pain* - **Biliary colic** due to obstruction of the **cystic duct** or **common bile duct** (CBD) by stones is a very common symptom, manifesting as acute, intense pain in the upper abdomen. - This pain is often felt in the **right upper quadrant** or epigastrium and can radiate to the back or shoulder. *Fever* - **Fever** is a common symptom, particularly when **CBD stones** lead to **cholangitis**, an infection of the bile duct. - The obstruction caused by the stone allows bacterial proliferation, leading to inflammation and systemic symptoms like fever. *Jaundice* - **Jaundice** due to **hyperbilirubinemia** is a frequent symptom when a CBD stone obstructs the flow of bile from the liver into the intestine. - This obstruction prevents the excretion of **conjugated bilirubin**, leading to its build-up in the blood and deposition in tissues, causing yellowing of the skin and eyes.

Question 530: What is the treatment for asymptomatic gallstones greater than 3 cm?

A. Dissolution therapy
B. ERCP
C. Laparoscopic cholecystectomy (Correct Answer)
D. Observation/watchful waiting

Explanation: ***Laparoscopic cholecystectomy*** - For **asymptomatic gallstones ≥3 cm**, prophylactic cholecystectomy is **recommended** due to significantly increased risk of gallbladder carcinoma - **Large stone size (≥3 cm)** is an established risk factor for malignant transformation of the gallbladder epithelium - Current guidelines recommend **prophylactic surgery** for high-risk features including stones >3 cm, porcelain gallbladder, and gallbladder polyps >10 mm - **Laparoscopic approach** is preferred as it offers minimal morbidity with excellent outcomes *Observation/watchful waiting* - This approach is appropriate for **small to medium-sized asymptomatic gallstones** (<3 cm) where risk of complications is low - However, for stones **≥3 cm**, the increased malignancy risk makes observation inappropriate - Patient should not be left with untreated large gallstones given the oncological risk *Dissolution therapy* - Ursodeoxycholic acid therapy is only effective for **small cholesterol stones** (<1.5 cm) in select non-surgical candidates - **Completely ineffective** for large stones (>1.5 cm) and has high recurrence rates - Not a viable option for 3 cm stones *ERCP* - **Endoscopic retrograde cholangiopancreatography** is used for **common bile duct stones** or biliary obstruction - **Not indicated** for gallstones confined to the gallbladder - Does not address gallbladder pathology or malignancy risk

Practice by Chapter

Liver Anatomy and Physiology

Practice Questions

Benign Liver Lesions

Practice Questions

Liver Abscess

Practice Questions

Hepatocellular Carcinoma

Practice Questions

Metastatic Liver Disease

Practice Questions

Cirrhosis and Portal Hypertension

Practice Questions

Liver Trauma

Practice Questions

Cholelithiasis and Cholecystitis

Practice Questions

Choledocholithiasis

Practice Questions

Biliary Tract Tumors

Practice Questions

ERCP and Its Complications

Practice Questions

Liver Transplantation Basics

Practice Questions

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