Hepatobiliary Surgery Practice Questions

Q: During a laparoscopic cholecystectomy, a lateral injury to the Common Bile Duct is identified. What is the most appropriate next step in management?

Convert to open procedure with T -tube drainage. ***Convert to open procedure with T-tube drainage*** - Recognizing a common bile duct (CBD) injury intraoperatively requires immediate conversion to an **open procedure** to ensure adequate visualization and repair. - A **T-tube** is placed to provide biliary decompression and allow for healing across the primary repair or reconstruction, minimizing the risk of a post-operative **bile leak** or **stricture**. *Continue the laparoscopic procedure and place a drain* - Continuing laparoscopically after recognizing a major **CBD injury** is dangerous as it prevents adequate surgical exploration and repair of the ductal structure. - Placing a **drain** alone does not repair the duct; it only manages extravasated bile, leading to high morbidity and potentially life-threatening **biliary peritonitis**. *Ligate the duct proximal to the injury* - Simple ligation of the CBD will result in immediate **extrahepatic biliary obstruction**, causing obstructive **jaundice** and subsequent liver injury. - This approach is never acceptable; the integrity of the biliary tract must be maintained via **biliary reconstruction** (e.g., end-to-end anastomosis or hepaticojejunostomy). *Close the abdomen and refer for ERCP* - Closing the abdomen without addressing a known intraoperative iatrogenic injury is considered malpractice, as it leads to **peritonitis** and sepsis. - **ERCP** is reserved for postoperative management or diagnosis of leak/stricture; it cannot repair an acute, complete, or severe lateral injury identified during the original surgery.

Q: A 60-year-old patient presents with pruritus and obstructive jaundice. Physical examination reveals a palpable, non-tender gallbladder. What is the most likely diagnosis?

Carcinoma of the head of the pancreas. ***Carcinoma of the head of the pancreas*** - This clinical presentation represents **Courvoisier's sign**, which is a palpable, non-tender gallbladder in the presence of painless obstructive jaundice, highly suggestive of a malignant obstruction of the common bile duct. - The most common malignancy causing this is a tumor in the **head of the pancreas**, which obstructs the distal common bile duct, leading to progressive jaundice. *Choledocholithiasis* - Typically presents with **biliary colic** (pain), as the obstruction is caused by a gallstone, which is generally painful due to acute inflammation and distension. - The gallbladder in choledocholithiasis is usually contracted or fibrotic due to chronic cholecystitis, making it **non-palpable**. *Cholangiocarcinoma* - While this can cause obstructive jaundice, it is less likely to present with a palpable, non-tender gallbladder than pancreatic head tumors unless it occurs in the distal common bile duct. - This diagnosis is statistically much **less common** than pancreatic cancer as a cause of Courvoisier's sign. *Gallbladder carcinoma* - While this may cause jaundice if it invades the biliary tree, it more commonly presents with a **fixed, hard, irregular mass** in the gallbladder fossa rather than a smooth, palpable, non-tender gallbladder. - Patients with gallbladder cancer often have a long history of **cholelithiasis** and chronic gallbladder disease, which typically leads to a scarred, non-palpable organ.

Q: Which of the following statements regarding Hepatocellular Carcinoma (HCC) is true?

Hemoperitoneum occurs in 7% of cases.. **Explanation:** Hepatocellular Carcinoma (HCC) is the most common primary malignancy of the liver, often arising in the background of chronic liver disease. **Why Option C is Correct:** Spontaneous rupture of HCC leading to **hemoperitoneum** is a well-recognized surgical emergency. It occurs in approximately **5–15% of cases** (average 7%). It typically presents with sudden onset abdominal pain and shock. This complication is more common in large, peripheral, or exophytic tumors and carries a high mortality rate. **Why Other Options are Incorrect:** * **Option A:** An arterial bruit (or friction rub) over the liver is a classic sign of HCC due to its hypervascular nature, but it is relatively rare, occurring in only **10–25%** of cases, not 80%. * **Option B:** While HCC is strongly associated with cirrhosis, the clinical presentation varies. In many endemic areas (like parts of Asia and Africa), patients often present with symptoms of the tumor itself (pain, mass) rather than overt signs of liver failure. Statistically, roughly **one-third** (not two-thirds) of patients present primarily with signs of underlying liver disease. * **Option D:** Percutaneous biopsy is **not mandatory** and is often avoided if the lesion meets the **LI-RADS** imaging criteria (hyperenhancement in the arterial phase with "washout" in the venous phase) on CT/MRI. Biopsy carries a risk of **seeding** along the needle track (approx. 1–3%). **Clinical Pearls for NEET-PG:** * **Tumor Marker:** Alpha-fetoprotein (AFP) >400 ng/mL is highly suggestive. * **Fibrolamellar Variant:** Occurs in young adults, not associated with cirrhosis, has a better prognosis, and shows a "central stellate scar" on imaging. * **Screening:** USG + AFP every 6 months for high-risk (cirrhotic) patients.

Q: A forty-year-old female visits the hospital with a complaint of pain in her right hypochondriac region radiating towards the right shoulder tip. The pain begins after eating food and increases steadily over 10-30 minutes, then gradually decreases. What condition might she have?

Cholelithiasis. **Explanation:** The clinical presentation is a classic case of **Biliary Colic**, most commonly caused by **Cholelithiasis** (gallstones). 1. **Why Cholelithiasis is correct:** The pain in biliary colic occurs when the gallbladder contracts against an obstructed cystic duct (usually by a stone). This contraction is triggered by **Cholecystokinin (CCK)**, which is released after a meal (especially fatty food). The pain typically radiates to the **right shoulder tip or scapula** (Boas' sign) due to phrenic nerve irritation (C3-C5). The characteristic "crescendo-decrescendo" pattern—increasing over 15–30 minutes and then subsiding—is pathognomonic for biliary colic rather than inflammatory conditions. 2. **Why other options are incorrect:** * **Peptic Ulcer:** Pain is usually epigastric. While it can be related to food, gastric ulcer pain occurs immediately after eating, whereas duodenal ulcer pain is classically relieved by food and occurs 2–3 hours later. * **Acute Pancreatitis:** Presents with constant, severe epigastric pain that radiates to the **back** and is often associated with persistent vomiting and systemic signs (fever, tachycardia), rather than episodic colic. **NEET-PG High-Yield Pearls:** * **The 5 F’s:** Risk factors for cholelithiasis are **F**emale, **F**at, **F**ertile, **F**orty, and **F**air. * **Boas’ Sign:** Hyperaesthesia (increased sensitivity) below the right scapula. * **Murphy’s Sign:** Inspiratory arrest on deep palpation of the right hypochondrium (indicative of Cholecystitis, not just lithiasis). * **Investigation of Choice:** Ultrasonography (USG) of the abdomen is the gold standard for diagnosing gallstones.

Q: What is the most common association seen in gallbladder carcinoma?

Duodenal infiltration. **Explanation:** Gallbladder carcinoma (GBC) is the most common biliary tract malignancy. Due to the gallbladder's anatomical position and the lack of a serosal layer on its hepatic surface, the tumor tends to spread early via direct invasion and lymphatic routes. **Why Duodenal Infiltration is Correct:** The gallbladder sits in close proximity to the first and second parts of the duodenum. Direct local invasion is a hallmark of GBC. Among the adjacent viscera, the **duodenum** is the most frequently involved organ via direct extension or through the hepatoduodenal ligament. This often leads to gastric outlet obstruction, a common late-stage presentation. While the liver is the most common site of direct invasion overall, among the options provided (and specifically regarding visceral infiltration), duodenal involvement is a classic association. **Analysis of Incorrect Options:** * **Peritoneal deposits:** While GBC can cause peritoneal carcinomatosis, this usually occurs in advanced stages and is less common than direct local organ invasion. * **Cystic node (Lund’s Node):** The cystic node is the primary lymphatic station for the gallbladder. While it is frequently involved in metastasis, the question asks for the most common "association" or clinical finding in the context of spread; direct infiltration of the duodenum is a more characteristic anatomical complication of the primary tumor mass. **NEET-PG High-Yield Pearls:** * **Most common risk factor:** Cholelithiasis (Gallstones), especially stones >3 cm. * **Porcelain Gallbladder:** Associated with a high risk of GBC (approx. 7-15%). * **Most common histology:** Adenocarcinoma. * **Nodal Spread:** The first station is the **Cystic node of Lund**, followed by pericholedochal and hilar nodes. * **Investigation of Choice:** Contrast-Enhanced CT (CECT) is the gold standard for staging.

Q: What is the common organism causing liver abscess in biliary sepsis?

Enterococci. **Explanation:** Pyogenic liver abscesses typically occur via three main routes: the biliary tract (most common), the portal vein, or hematogenous spread. **Why Enterococci is correct:** In the context of **biliary sepsis** (ascending cholangitis due to stones, strictures, or malignancy), the infection is usually polymicrobial, involving enteric flora. **Enterococci** (specifically *Enterococcus faecalis*) are the most common Gram-positive organisms isolated in biliary-related liver abscesses. They are normal commensals of the GI tract that migrate retrograde into the biliary tree when there is stasis or obstruction. **Analysis of Incorrect Options:** * **Bacteroides:** While anaerobes like *Bacteroides fragilis* are often part of the polymicrobial mix in pyogenic abscesses, they are rarely the primary or most common isolate compared to aerobic enteric organisms in biliary sepsis. * **Staphylococcus:** *Staphylococcus aureus* is the leading cause of liver abscesses resulting from **hematogenous spread** (e.g., endocarditis or skin infections), not biliary sepsis. * **Klebsiella:** *Klebsiella pneumoniae* is currently the **most common cause of pyogenic liver abscess overall** (especially in diabetics and in Southeast Asia), but it typically presents as a monomicrobial infection of cryptogenic origin rather than being specifically linked to biliary sepsis. **High-Yield Clinical Pearls for NEET-PG:** * **Most common route:** Biliary tract (ascending cholangitis). * **Most common organism overall:** *Klebsiella pneumoniae* (replaced *E. coli* in recent years). * **Most common organism in biliary sepsis:** *Enterococci* and *E. coli*. * **Classic Presentation:** Charcot’s Triad (Fever, Jaundice, RUQ pain). * **Investigation of choice:** Contrast-Enhanced CT (CECT) scan. * **Treatment:** Percutaneous drainage + Antibiotics (Metronidazole + 3rd Gen Cephalosporin/Aminoglycoside).

Question 1

During a laparoscopic cholecystectomy, a lateral injury to the Common Bile Duct is identified. What is the most appropriate next step in management?

Accepted Answer

Convert to open procedure with T -tube drainage

Answer

Continue the laparoscopic procedure and place a drain

Answer

Ligate the duct proximal to the injury

Answer

Close the abdomen and refer for ERCP

Question 2

A 60-year-old patient presents with pruritus and obstructive jaundice. Physical examination
reveals a palpable, non-tender gallbladder. What is the most likely diagnosis?

Accepted Answer

Carcinoma of the head of the pancreas

Answer

Choledocholithiasis

Answer

Cholangiocarcinoma

Answer

Gallbladder carcinoma

Question 3

A 28-year-old unrestrained male driver is brought to the trauma bay following a high-speed road traffic collision. Primary survey: GCS 14, HR 118 bpm, BP 94/60 mmHg with partial response to 1 litre of crystalloid. FAST examination is positive in the right upper quadrant. After partial haemodynamic stabilisation, a CT abdomen with contrast is performed and is shown (Image 2). His BP on return from CT is 88/54 mmHg despite ongoing resuscitation. What is the most appropriate next step?

Accepted Answer

C. Immediate damage control laparotomy with perihepatic packing

Answer

A. Repeat FAST examination and reassess haemodynamic response to a second litre of crystalloid

Answer

B. Urgent hepatic angioembolisation via interventional radiology

Answer

D. Formal hepatic resection of the injured lobe with intraoperative Pringle manoeuvre

Question 4

Which of the following statements regarding Hepatocellular Carcinoma (HCC) is true?

Accepted Answer

Hemoperitoneum occurs in 7% of cases.

Answer

Aerial bruit is present in 80% of cases.

Answer

Two-third of patients present with signs of liver disease.

Answer

Percutaneous biopsy is mandatory for diagnosis.

Question 5

A forty-year-old female visits the hospital with a complaint of pain in her right hypochondriac region radiating towards the right shoulder tip. The pain begins after eating food and increases steadily over 10-30 minutes, then gradually decreases. What condition might she have?

Accepted Answer

Cholelithiasis

Answer

Peptic ulcer

Answer

Acute pancreatitis

Answer

None of the above

Question 6

What is the most common association seen in gallbladder carcinoma?

Accepted Answer

Duodenal infiltration

Answer

Peritoneal deposits

Answer

Cystic node

Question 7

All of the following are predisposing factors for gallstone formation, except:

Accepted Answer

Estrogens inhibit hepatic lipoprotein receptors, decrease uptake of dietary cholesterol, and increase biliary cholesterol secretion.

Answer

Weight loss leads to mobilization of tissue cholesterol, increasing biliary cholesterol secretion while enterohepatic circulation of bile acids is decreased.

Answer

Gallbladder hypomotility leading to stasis and formation of sludge.

Answer

Clofibrate therapy increases biliary secretion of cholesterol.

Question 8

What is the common organism causing liver abscess in biliary sepsis?

Accepted Answer

Enterococci

Answer

Bacteroides

Answer

Staphylococcus

Answer

Klebsiella

Question 9

A 45-year-old woman presents with intermittent colicky right upper quadrant pain, lasting about 30 minutes after meals. She also experiences bloating and nausea during these episodes. For the past 2 days, her stools have become very light in color, and her skin has become yellow. What is the anatomical basis for the clinical condition described?

Accepted Answer

Obstruction of the cystic duct by a gallstone.

Answer

Obstruction of the common bile duct by a gallstone.

Answer

Inflammation of the gallbladder.

Answer

Inflammation of Glisson's capsule.

Question 10

Which of the following can be done in obstructive jaundice?

Accepted Answer

Vitamin C injections

Answer

Vitamin K injections

Answer

Dehydration therapy

Answer

External drainage

Hepatobiliary Surgery — MCQs

Hepatobiliary Surgery — MCQs

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