Liver and Biliary Pathology Practice Questions

Q: A 40-year-old diabetic female presented with fatigue, abdominal distension, pruritus, anorexia, myalgia, and skin rashes. On examination, icterus, hepatosplenomegaly, and ascites were noted. Laboratory findings included elevated SGOT/SGPT levels, IgG levels and ANA titers, hypoalbuminemia, prolonged PT, and normocytic normochromic Coombs-positive hemolytic anemia. A liver biopsy was performed. Which of the following antibodies is NOT typically seen in this condition?

Anti-LKM 2 Ab. The clinical presentation—a middle-aged female with fatigue, pruritus, hepatosplenomegaly, elevated transaminases, hypergammaglobulinemia (IgG), and positive ANA—is classic for **Autoimmune Hepatitis (AIH)**. The presence of Coombs-positive hemolytic anemia further supports an autoimmune etiology. [1] **Why Anti-LKM 2 Ab is the Correct Answer:** * **Anti-LKM 2 (Liver-Kidney Microsomal type 2) antibodies** are specifically associated with **drug-induced hepatitis** (classically caused by Ticrynafen, a diuretic). They are **not** a marker for idiopathic Autoimmune Hepatitis. **Analysis of Other Options:** * **Anti-LKM 1 Ab (Option A):** These are the hallmark antibodies for **Type 2 AIH**, which typically affects children and young adults but can be seen in adults. They target Cytochrome P450 2D6. [1] * **Anti-SMA (Option C):** Anti-Smooth Muscle Antibodies are the characteristic marker for **Type 1 AIH** (the most common form worldwide), often found alongside ANA. [1] * **pANCA (Option D):** Perinuclear Anti-Neutrophil Cytoplasmic Antibodies are frequently positive in Type 1 AIH (atypical pANCA pattern), even in the absence of Primary Sclerosing Cholangitis. **Clinical Pearls for NEET-PG:** * **AIH Type 1:** Most common; ANA and/or Anti-SMA positive; associated with HLA-DR3/DR4. [1] * **AIH Type 2:** Anti-LKM 1 and/or Anti-Liver Cytosol (ALC-1) positive; usually seen in children. [1] * **AIH Type 3:** Anti-SLA/LP (Soluble Liver Antigen) positive. [1] * **Histology:** Look for **"Interface Hepatitis"** (piecemeal necrosis) and a prominent **plasma cell** infiltrate in the portal tracts. [1] * **LKM-3 Ab:** Associated with Hepatitis D (Delta) virus infection. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 845-846.

Q: Intake of which of the following causes vascular lesions in the liver?

Steroids. **Explanation:** The correct answer is **Steroids (C)**. Specifically, anabolic steroids and oral contraceptives are well-known causes of **Peliosis hepatis**. This is a vascular lesion characterized by the presence of blood-filled cystic spaces in the liver, which are not lined by endothelium. These cysts can rupture, leading to potentially fatal intra-abdominal hemorrhage. **Analysis of Options:** * **A. Halothanes:** Primarily cause **massive hepatic necrosis** (fulminant hepatitis). This is an immune-mediated idiosyncratic reaction leading to acute liver failure rather than a vascular lesion. * **B. Isoniazid (INH):** Causes drug-induced hepatitis ranging from asymptomatic elevation of liver enzymes to **bridging necrosis** or chronic hepatitis. It does not typically cause vascular pathology. * **D. Chlorpromazine (CPZ):** A classic cause of **intrahepatic cholestasis**. It leads to "bland cholestasis" where bile plugs are seen in canaliculi without significant inflammation or vascular damage. **High-Yield Clinical Pearls for NEET-PG:** * **Peliosis Hepatis:** Associated with **Anabolic Steroids**, Oral Contraceptive Pills (OCPs), and infections like *Bartonella henselae* (Bacillary peliosis). * **Budd-Chiari Syndrome:** Often linked to OCP use [1], leading to hepatic vein thrombosis (a different type of vascular lesion) [1]. * **Vinyl Chloride & Thorotrast:** High-yield triggers for **Angiosarcoma**, a malignant vascular tumor of the liver. * **Aflatoxin B1:** Strongly associated with **Hepatocellular Carcinoma (HCC)** via TP53 mutations. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 869-870.

Question 1

Budd Chiari syndrome is:

Accepted Answer

Hepatic vein thrombosis

Answer

Portal vein thrombosis

Answer

Hepatic artery thrombosis

Answer

Cystic artery thrombosis

Question 2

Hepatic infarcts are seen in which of the following conditions?

Accepted Answer

All of the above

Answer

Eclampsia

Answer

Chronic venous congestion

Answer

Budd-Chiari syndrome

Question 3

A 40-year-old obese lady presents with diabetes mellitus, hypertriglyceridemia, right upper quadrant pain, and recurrent jaundice. What liver pathology is observed?

Accepted Answer

Nonalcoholic steatohepatitis (NASH)

Answer

Microvesicular hepatosis

Answer

Peliosis hepatis

Answer

Autoimmune hepatitis

Question 4

A 40-year-old diabetic female presented with fatigue, abdominal distension, pruritus, anorexia, myalgia, and skin rashes. On examination, icterus, hepatosplenomegaly, and ascites were noted. Laboratory findings included elevated SGOT/SGPT levels, IgG levels and ANA titers, hypoalbuminemia, prolonged PT, and normocytic normochromic Coombs-positive hemolytic anemia. A liver biopsy was performed. Which of the following antibodies is NOT typically seen in this condition?

Accepted Answer

Anti-LKM 2 Ab

Answer

Anti-LKM 1 Ab

Answer

Anti-SMA

Answer

pANCA

Question 5

Liver biopsy in a patient with cirrhosis demonstrates markedly increased iron stores. The patient has no known history of hemolytic anemia or other potential causes of a secondary increase in hepatic iron stores. This patient's primary disorder is most strongly associated with which of the following HLA alleles?

Accepted Answer

HLA-A3

Answer

HLA-B27

Answer

HLA-DR2

Answer

HLA-DR3

Question 6

Honeycomb appearance of the liver is typically seen in which condition?

Accepted Answer

Actinomycosis

Answer

Micronodular cirrhosis

Answer

Dubin Johnson's syndrome

Answer

Hydatidosis

Question 7

Primary sclerosing cholangitis is likely to be associated with which of the following malignancies?

Accepted Answer

Cholangiocarcinoma

Answer

Adenocarcinoma of pancreas

Answer

Hepatocellular carcinoma

Answer

Adenocarcinoma of gallbladder

Question 8

Intake of which of the following causes vascular lesions in the liver?

Accepted Answer

Steroids

Answer

Halothanes

Answer

Isoniazid (INH)

Answer

Chlorpromazine (CPZ)

Question 9

Cholangiocarcinoma has been associated with infection by which of the following organisms?

Accepted Answer

Clonorchis sinensis

Answer

Paragonimus westermani

Answer

Loa Loa

Answer

Schistosoma haematobium

Question 10

A patient with cirrhosis of the liver has the following coagulation parameters: Platelet count 2,00,000, Prothrombin time 25s/12s, Activated partial thromboplastin time 60s/35s, Thrombin time 15s/15s. In this patient:

Accepted Answer

D-dimer will be normal

Answer

Fibrinogen will be <100 mg

Answer

ATIII will be high

Answer

Protein C will be elevated

Liver and Biliary Pathology — MCQs

Liver and Biliary Pathology — MCQs

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