Hepatobiliary Surgery Practice Questions

Q: Only simple cholecystectomy is adequate in which stage of gallbladder cancer?

Stage IA. **Explanation:** The management of gallbladder cancer (GBC) is primarily determined by the depth of wall invasion (T-stage). **Why Stage IA is correct:** Stage IA corresponds to **T1a** disease, where the tumor is limited to the **lamina propria**. In these cases, the lymph node involvement is extremely low ( 95%) and is considered curative. **Why other options are incorrect:** * **Stage IB (T1b):** The tumor invades the **muscularis layer**. There is a significantly higher risk of lymph node metastasis (up to 15%). Current guidelines recommend a **Radical (Extended) Cholecystectomy**, which includes cholecystectomy, 2-3 cm wedge resection of the liver bed (Segments IVb and V), and regional lymphadenectomy. * **Stage III:** This involves invasion of the serosa (T3) or regional lymph node metastasis (N1). This requires radical surgery and often adjuvant therapy. * **Stage IV:** This represents advanced disease with involvement of the main portal vein/hepatic artery (T4) or distant metastasis (M1). These cases are generally unresectable and require palliative care. **NEET-PG High-Yield Pearls:** 1. **Incidental GBC:** Most Stage IA cases are diagnosed incidentally after a routine cholecystectomy for gallstones. 2. **T1a vs. T1b:** This is the most critical threshold. T1a = Simple Cholecystectomy; T1b and above = Radical Cholecystectomy. 3. **Standard Radical Cholecystectomy:** Includes Cholecystectomy + Liver wedge resection + Lymphadenectomy (Porta hepatis, gastrohepatic ligament, and retropancreatic nodes). 4. **Port-site recurrence:** If GBC is suspected, laparoscopic surgery should be avoided or performed with extreme care (using retrieval bags) to prevent port-site metastasis.

Q: Which of the following is true about choledochal cysts?

Rupture may lead to biliary peritonitis.. **Explanation:** Choledochal cysts are congenital cystic dilatations of the biliary tree. The correct answer is **D**, as spontaneous or traumatic rupture of the cyst (though rare) allows bile to leak into the peritoneal cavity, resulting in **biliary peritonitis**, which presents as an acute abdomen. **Analysis of Options:** * **Option A (Incorrect):** **Type I** (fusiform dilatation of the CBD) is the most common type, accounting for 75–85% of cases. Type II (diverticulum) is the rarest. * **Option B (Incorrect):** While cyst excision with Roux-en-Y hepaticojejunostomy is the treatment for Types I and IV, it is **not the universal treatment** for all types. For example, Type III (choledochocele) is typically managed via endoscopic sphincterotomy. * **Option C (Incorrect):** This describes the **Babbitt Hypothesis** (Anomalous Pancreaticobiliary Duct Junction - APBDJ), which is a common *etiological theory* for the formation of cysts, but it is not a defining feature of the cyst itself. Not all patients with choledochal cysts have a demonstrable APBDJ. **NEET-PG High-Yield Pearls:** * **Todani Classification:** * **Type I:** Most common (Fusiform). * **Type II:** Diverticulum. * **Type III:** Choledochocele (intraduodenal). * **Type IV:** Multiple (IVA: Intra + Extrahepatic; IVB: Extrahepatic only). * **Type V:** Caroli’s Disease (Intrahepatic only). * **Classic Triad:** Jaundice, RUQ pain, and a palpable mass (seen in only 20% of patients, mostly children). * **Malignancy Risk:** The most feared complication is **Cholangiocarcinoma** (highest risk in Type I and IV). This is why complete excision of the cyst wall is mandatory. * **Investigation of Choice:** MRCP (Gold Standard). Ultrasound is the initial screening tool.

Q: A patient is diagnosed with gallbladder adenocarcinoma involving the lamina propria and muscular layer. What is the preferred treatment?

Radical cholecystectomy. **Explanation:** The patient is presenting with **T1b Gallbladder Carcinoma (GBC)**. According to the TNM staging, involvement of the lamina propria is classified as T1a, while involvement of the **muscular layer** is classified as **T1b**. **1. Why Radical Cholecystectomy is correct:** While T1a tumors can be managed with a simple cholecystectomy, **T1b tumors** have a significantly higher risk of lymph node metastasis (up to 15%) and local recurrence. Therefore, the standard of care is a **Radical (Extended) Cholecystectomy**. This procedure includes: * Removal of the gallbladder. * Wedge resection of the liver (segments IVb and V) or a 2-3 cm clear liver margin. * Regional lymphadenectomy (including cystic, pericholedochal, and hilar nodes). **2. Why other options are incorrect:** * **Simple Cholecystectomy:** This is only sufficient for **T1a** (limited to the lamina propria) or incidental findings where the margin is clear and the stage is very early. For T1b, it results in higher recurrence rates. * **Chemotherapy & Radiotherapy:** These are generally used as adjuvant treatments for advanced stages or as palliative care for unresectable disease. They are not primary treatments for localized, resectable GBC. **High-Yield Clinical Pearls for NEET-PG:** * **Most common site** of GBC: Fundus. * **Most common histological type:** Adenocarcinoma. * **Nevin’s Staging vs. AJCC:** AJCC (TNM) is currently preferred for surgical planning. * **Incidental GBC:** If GBC is found after a routine laparoscopic cholecystectomy, the management depends on the T-stage. T1b and above require re-exploration and radical resection. * **Porcelain Gallbladder:** Historically linked to high GBC risk, though recent studies suggest the risk is lower than previously thought (approx. 6%).

Q: A patient presents with a small leak 5 days after common bile duct surgery. What is the most appropriate next step in management?

Ultrasound scan of the abdomen. **Explanation:** The management of a suspected bile leak post-Common Bile Duct (CBD) surgery follows a systematic approach: **Detect → Localize → Treat.** **Why Ultrasound (USG) is the correct first step:** In the early postoperative period (Day 5), the primary goal is to determine if there is an **intraperitoneal collection (biloma)**. USG is the most appropriate initial investigation because it is non-invasive, bedside-accessible, and highly sensitive for detecting free fluid or localized collections in the subhepatic space or Morison’s pouch. If a collection is found, USG can also guide percutaneous drainage, which is often the first therapeutic step to stabilize the patient. **Analysis of Incorrect Options:** * **B. ERCP:** While ERCP is the "Gold Standard" for **localizing** the site of the leak and providing definitive treatment (via stenting or sphincterotomy), it is invasive. It is performed *after* a collection is confirmed or if the patient fails to improve with drainage. * **C. CT Scan:** CT is excellent for mapping complex collections or if USG is inconclusive (e.g., due to bowel gas), but it is not the first-line screening tool for a simple suspected leak. * **D. MRCP:** MRCP is a non-invasive diagnostic tool to visualize the biliary tree, but it has no therapeutic potential and is less useful than USG in the immediate detection of fluid collections. **Clinical Pearls for NEET-PG:** * **Initial Investigation:** Ultrasound (to look for collection). * **Investigation of Choice (IOC) for Localization/Treatment:** ERCP. * **Most common site of leak post-cholecystectomy:** Cystic duct stump. * **Management Principle:** Most small leaks are managed conservatively with drainage (percutaneous or existing T-tube) and ERCP stenting to lower the pressure gradient. Re-exploration is reserved for generalized peritonitis or major ductal injuries.

Question 1

According to the Bismuth classification, what anatomical structures are involved in Type IV cholangiocarcinoma?

Accepted Answer

Bifurcation and bilateral secondary intrahepatic ducts

Answer

Common hepatic duct

Answer

Bifurcation only

Answer

Bifurcation and unilateral secondary intrahepatic ducts

Question 2

Biliary stricture developing after laparoscopic cholecystectomy usually occurs at which part of the common bile duct?

Accepted Answer

Upper

Answer

Middle

Answer

Lower

Answer

All sites with equal frequency

Question 3

Only simple cholecystectomy is adequate in which stage of gallbladder cancer?

Accepted Answer

Stage IA

Answer

Stage IB

Answer

Stage III

Answer

Stage IV

Question 4

Which of the following is true about choledochal cysts?

Accepted Answer

Rupture may lead to biliary peritonitis.

Answer

Type II is the most common type.

Answer

Cyst excision is the treatment of choice.

Answer

There is an anomalous connection between the biliary and pancreatic ducts.

Question 5

What is the procedure of choice for elective removal of common bile duct stones for most patients?

Accepted Answer

Open choledocholithotomy

Answer

Laparoscopic choledocholithotomy

Answer

Endoscopic choledocholithotomy

Answer

Percutaneous choledocholithotomy

Question 6

A patient is diagnosed with gallbladder adenocarcinoma involving the lamina propria and muscular layer. What is the preferred treatment?

Accepted Answer

Radical cholecystectomy

Answer

Simple cholecystectomy

Answer

Chemotherapy

Answer

Radiotherapy

Question 7

Which of the following are contraindications for portal systemic shunting?

Accepted Answer

All of the above

Answer

Serum albumin less than 3 mg%

Answer

Massive ascites

Answer

Significant jaundice

Question 8

A 50-year-old male presents with recurrent attacks of cholelithiasis. Ultrasound examination shows a dilated common bile duct measuring 1 cm. What is the next line of management?

Accepted Answer

Endoscopic retrograde cholangiopancreatography (ERCP)

Answer

Percutaneous transhepatic cholangiography (PTC)

Answer

Cholecystostomy

Answer

Intravenous cholangiogram

Question 9

Which of the following statements regarding bile duct injuries following cholecystectomy is false?

Accepted Answer

Routine use of 'open' technique of laparoscopic port insertion has resulted in a decline in the incidence of post-laparoscopic cholecystectomy bile duct injuries.

Answer

The incidence following open cholecystectomy is in the range of 0.2% to 0.3%.

Answer

The incidence rate following laparoscopic cholecystectomy is three times higher than the rates following open cholecystectomy.

Answer

Untreated cases may develop secondary biliary cirrhosis.

Question 10

A patient presents with a small leak 5 days after common bile duct surgery. What is the most appropriate next step in management?

Accepted Answer

Ultrasound scan of the abdomen

Answer

Endoscopic retrograde cholangiopancreatography (ERCP)

Answer

Computed tomography (CT) scan of the abdomen

Answer

Magnetic resonance cholangiopancreatography (MRCP)

Hepatobiliary Surgery — MCQs

Hepatobiliary Surgery — MCQs

On this page

Practice by Chapter

Want unlimited practice?