Hepatobiliary Surgery Practice Questions

Q: A patient underwent laparoscopic cholecystectomy. Histopathology revealed T2 stage. What is the next line of treatment?

Extended cholecystectomy. **Explanation:** The management of incidental gallbladder cancer (GBC) discovered after laparoscopic cholecystectomy is determined by the pathological T-stage. **Why Extended Cholecystectomy is Correct:** For **T2 tumors** (invasion into the perimuscular connective tissue), simple cholecystectomy is inadequate due to a high risk of lymph node metastasis (30-40%) and residual disease in the liver bed. **Extended (Radical) Cholecystectomy** is the standard of care. It involves: 1. **Liver Resection:** Wedge resection of the gallbladder fossa (Segments IVb and V) to ensure negative margins. 2. **Lymphadenectomy:** Systematic dissection of cystic, pericholedochal, and portal vein lymph nodes (N1 station). **Why Other Options are Incorrect:** * **Observation:** Only appropriate for **T1a** tumors (limited to the mucosa), where simple cholecystectomy is curative. * **Port site excision:** Previously thought to prevent recurrence, current evidence and guidelines (NCCN) show it does not improve survival or decrease peritoneal recurrence; hence, it is no longer routinely recommended. * **Chemotherapy:** While adjuvant chemotherapy (e.g., Capecitabine) may be used post-operatively, it is not a substitute for definitive surgical clearance in resectable T2 disease. **Clinical Pearls for NEET-PG:** * **T1a:** Simple Cholecystectomy is sufficient. * **T1b, T2, T3:** Require Extended Cholecystectomy. * **Most common site of metastasis:** Liver (Direct spread) and Lymph nodes. * **Most common histological type:** Adenocarcinoma. * If T2 is found, the first step before re-exploration is often a **staging CT/PET-CT** to rule out distant metastasis.

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

Endoscopic papillotomy. **Explanation:** The management of common bile duct (CBD) stones has shifted from open surgery to minimally invasive techniques. **Endoscopic Papillotomy** (also known as Endoscopic Sphincterotomy), performed via **ERCP (Endoscopic Retrograde Cholangiopancreatography)**, is currently the procedure of choice for elective CBD stone removal. **Why Endoscopic Papillotomy is Correct:** It is preferred because it is less invasive than surgery, carries a lower morbidity rate, and allows for immediate stone extraction using baskets or balloons. In the elective setting, it can be performed as a standalone procedure or as part of a two-stage management plan (ERCP followed by laparoscopic cholecystectomy). **Analysis of Incorrect Options:** * **Open Choledocholithotomy (A):** Historically the gold standard, it is now reserved for cases where endoscopic or laparoscopic methods fail, or when the anatomy is severely distorted (e.g., previous Billroth II reconstruction). * **Laparoscopic Choledocholithotomy (C):** While effective and often performed simultaneously with cholecystectomy, it requires advanced laparoscopic skills and specialized equipment. It is generally not the first-line "elective" choice compared to the widespread availability of ERCP. * **Percutaneous Choledocholithotomy (D):** This is an invasive radiological procedure reserved for patients who have failed ERCP and are unfit for surgery, or those with intrahepatic stones. **Clinical Pearls for NEET-PG:** * **Gold Standard for Diagnosis:** MRCP (Non-invasive). * **Gold Standard for Treatment:** ERCP with Sphincterotomy/Papillotomy. * **Most Common Complication of ERCP:** Post-ERCP Pancreatitis (approx. 5-10%). * **Indication for T-Tube:** After an open choledocholithotomy, a T-tube is placed to ensure biliary drainage and allow for post-operative cholangiography.

Q: All of the following are true about Asiatic cholangitis except?

Does not cause jaundice. **Asiatic Cholangitis**, also known as **Oriental Cholangiohepatitis (OCH)** or Recurrent Pyogenic Cholangitis, is a clinical syndrome characterized by the formation of multiple calcium bilirubinate stones within the intrahepatic and extrahepatic bile ducts. ### **Explanation of Options:** * **Option D (Correct Answer):** This statement is false. Asiatic cholangitis presents with the classic **Charcot’s Triad** (fright-sided abdominal pain, fever with chills, and **jaundice**). Because the disease involves extensive stone formation and strictures in the biliary tree, obstructive jaundice is a hallmark clinical feature. * **Option A:** True. Chronic infestation with parasites such as ***Clonorchis sinensis*** (liver fluke) and *Ascaris lumbricoides* leads to biliary stasis and secondary bacterial infection (*E. coli*, *Klebsiella*), which are key triggers for stone formation. * **Option B:** True. Chronic inflammation, recurrent infections, and biliary stasis associated with this condition significantly increase the risk of developing **cholangiocarcinoma**. * **Option C:** True. It is commonly referred to as Oriental Cholangiohepatitis due to its high prevalence in Southeast Asia. ### **High-Yield Clinical Pearls for NEET-PG:** * **Pathology:** Characterized by **"earthy" brown pigment stones** (calcium bilirubinate) formed due to the action of bacterial beta-glucuronidase. * **Imaging:** The **"Arrowhead Sign"** on imaging refers to the rapid tapering of peripheral intrahepatic ducts. * **Management:** The primary goal is ductal clearance and drainage. Surgical options include **Hepatoportoenterostomy** or, in localized cases (usually the left lobe), **Hepatic lobectomy**. * **Key Difference:** Unlike Western gallstone disease, OCH primarily involves the **intrahepatic ducts**, and the gallbladder is often unaffected.

Question 1

Which of the following statements about gall stones is TRUE?

Accepted Answer

More common in females between 30-40 years of age.

Answer

Lithogenic bile is required for stone formation.

Answer

May be associated with carcinoma of the gallbladder.

Answer

Associated with diabetes mellitus.

Question 2

A patient underwent laparoscopic cholecystectomy. Histopathology revealed T2 stage. What is the next line of treatment?

Accepted Answer

Extended cholecystectomy

Answer

Observation

Answer

Port site excision

Answer

Chemotherapy

Question 3

Intraoperative cholangiography is indicated in which of the following conditions?

Accepted Answer

High lipase level

Answer

Cholangitis

Answer

Periampullary carcinoma

Answer

Large gallstones

Question 4

What is the best investigation for bilhemia?

Accepted Answer

ERCP

Answer

MRCP

Answer

CT

Answer

EUS

Question 5

Which statement is true regarding hemobilia?

Accepted Answer

Characterized by the triad of jaundice, abdominal pain, and melena.

Answer

The most common cause is rupture of a portal vein into the biliary system.

Answer

Magnetic Resonance (MR) angiography is the investigation of choice (IOC).

Answer

None of the above statements are true.

Question 6

The Minnesota tube, used for the control of variceal bleeding in portal hypertension, has how many lumens?

Accepted Answer

Four lumens

Answer

One lumen

Answer

Two lumens

Answer

Three lumens

Question 7

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 with equal frequency

Question 8

What is Type II Mirizzi's syndrome characterized by?

Accepted Answer

Erosion of one-third of the circumference of the common duct.

Answer

Obstruction of the common duct by external compression only, without erosion.

Answer

Erosion of up to two-thirds of the circumference of the common duct.

Answer

Total or near-total circumferential erosion of the common duct.

Question 9

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

Accepted Answer

Endoscopic papillotomy

Answer

Open choledocholithotomy

Answer

Laparoscopic choledocholithotomy

Answer

Percutaneous choledocholithotomy

Question 10

All of the following are true about Asiatic cholangitis except?

Accepted Answer

Does not cause jaundice

Answer

Clonorchis sinensis is a causative factor

Answer

Increased risk of cholangiocarcinoma

Answer

Also known as oriental cholangitis

Hepatobiliary Surgery — MCQs

Hepatobiliary Surgery — MCQs

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