Liver and Biliary Pathology Practice Questions

Q: Alcoholic hyaline seen in alcoholic liver disease is composed of which of the following?

Eosinophilic intracytoplasmic inclusions. **Explanation:** The correct answer is **B. Eosinophilic intracytoplasmic inclusions.** Alcoholic hyaline, commonly known as **Mallory-Denk bodies**, are characteristic intracellular inclusions found in the hepatocytes of patients with alcoholic liver disease (especially alcoholic hepatitis). **Why it is correct:** Mallory bodies are composed of tangled clumps of **intermediate filaments (specifically Keratin 8 and 18)** that have been damaged and ubiquitinated. On H&E staining, these appear as irregular, rope-like, **eosinophilic (pink)** masses within the cytoplasm of "ballooned" hepatocytes. They are typically surrounded by neutrophils (satellitosis). **Analysis of Incorrect Options:** * **A. Lipofuscin:** This is an "aging pigment" or "wear-and-tear" pigment. It appears as golden-brown granular material resulting from the lipid peroxidation of subcellular membranes. * **C. Basophilic intracytoplasmic inclusions:** These are bluish-purple on H&E. Examples include Negri bodies (though usually eosinophilic, some viral inclusions vary) or certain bacterial aggregates. Mallory bodies are strictly acidophilic/eosinophilic. * **D. Hemazoin:** This is a dark brown pigment formed by malaria parasites (*Plasmodium*) from the digestion of host hemoglobin. **High-Yield NEET-PG Pearls:** * **Composition:** Mallory bodies = Pre-keratin intermediate filaments + Ubiquitin + Heat shock proteins. * **Not Pathognomonic:** While classic for alcoholic hepatitis, they are also seen in **Wilson’s disease**, **Primary Biliary Cholangitis (PBC)**, **Nonalcoholic Steatohepatitis (NASH)**, and **Indian Childhood Cirrhosis**. * **Stain:** They can be highlighted using **immunohistochemistry for Ubiquitin**.

Q: Cholestasis with portal inflammation is typically seen with which drug?

Chlorpromazine. **Explanation:** Drug-induced liver injury (DILI) is a high-yield topic for NEET-PG, categorized primarily into hepatocellular, cholestatic, or mixed patterns [1]. **Correct Answer: B. Chlorpromazine** Chlorpromazine is the classic example of **"Cholestatic Hepatitis."** The underlying mechanism is an idiosyncratic reaction (Type B) that results in bile stasis within the canaliculi, accompanied by a prominent **portal inflammatory infiltrate** (often containing eosinophils) and occasional focal hepatocyte necrosis [1]. This distinguishes it from "pure" cholestasis. **Analysis of Incorrect Options:** * **A. Halothane:** Typically causes **massive hepatic necrosis** (fulminant hepatitis). Histologically, it resembles viral hepatitis with centrilobular necrosis. * **C. Oral Contraceptive Pills (OCPs):** These cause **"Bland Cholestasis"** (pure cholestasis). Unlike chlorpromazine, there is bile plugging *without* significant portal inflammation or necrosis. OCPs are also associated with hepatic adenomas and Budd-Chiari syndrome. * **D. Methyldopa:** Primarily causes **chronic active hepatitis** or a hepatocellular pattern of injury, similar to autoimmune hepatitis. **High-Yield Clinical Pearls for NEET-PG:** * **Pure/Bland Cholestasis:** OCPs, Anabolic steroids. * **Cholestatic Hepatitis:** Chlorpromazine, Erythromycin estolate, Amoxicillin-clavulanate. * **Microvesicular Steatosis:** Reye’s syndrome, Valproate, Tetracycline, Acute Fatty Liver of Pregnancy. * **Macrovesicular Steatosis:** Alcohol, Methotrexate, Amiodarone. * **Granulomatous Hepatitis:** Phenylbutazone, Allopurinol. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 846-847.

Question 1

Which of the following statements is incorrect regarding Liver Kidney Microsomal (LKM) antibodies?

Accepted Answer

Anti-LKM2 antibodies are associated with chronic hepatitis D.

Answer

Anti-LKM1 antibodies are associated with autoimmune hepatitis.

Answer

Anti-LKM2 antibodies are associated with drug-induced hepatitis.

Answer

Anti-LKM1 antibodies can be found in chronic hepatitis C.

Question 2

Which of the following liver tumors has a better prognosis?

Accepted Answer

Fibrolamellar variant of HCC

Answer

Hepatocellular carcinoma (HCC)

Answer

Cholangiocarcinoma

Answer

Angiosarcoma

Question 3

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 gall bladder

Question 4

Alcoholic hyaline seen in alcoholic liver disease is composed of which of the following?

Accepted Answer

Eosinophilic intracytoplasmic inclusions

Answer

Lipofuscin

Answer

Basophilic intracytoplasmic inclusions

Answer

Hemazoin

Question 5

Cholestasis with portal inflammation is typically seen with which drug?

Accepted Answer

Chlorpromazine

Answer

Halothane

Answer

Oral contraceptive pills

Answer

Methyldopa

Question 6

A 35-year-old male living in a southern region of Africa presents with increasing abdominal pain and jaundice. He has worked as a farmer for many years, and sometimes his grain has become moldy. Physical examination reveals a large mass involving the right side of his liver, and a biopsy specimen from this mass confirms the diagnosis of liver cancer (hepatocellular carcinoma). The pathogenesis of this tumor involves which of the following substances?

Accepted Answer

Aflatoxin B1

Answer

Direct-acting alkylating agents

Answer

Azo dyes

Answer

Vinyl chloride

Question 7

Which of the following is a risk factor for angiosarcoma of the liver?

Accepted Answer

Vinyl chloride

Answer

Oral contraceptive pills (OCP)

Answer

Phenacetin

Answer

All of the above

Question 8

Histologically, cholangiocarcinoma most closely resembles which of the following types?

Accepted Answer

Scirrhous type

Answer

Squamous cell type

Answer

Colloid cell type

Answer

Columnar cell type

Question 9

What is the commonest cause of Budd-Chiari syndrome?

Accepted Answer

Paroxysmal nocturnal hemoglobinuria

Answer

Valve in the inferior vena cava

Answer

Hepatocellular carcinoma

Answer

Renal cell carcinoma

Question 10

A patient with cirrhosis and liver failure is a candidate for stem cell transplantation. What is the preferred method?

Accepted Answer

Autologous transplantation of hepatic progenitor cells (HPCs) from the same person for regeneration.

Answer

Allogeneic stem cell transplantation from a donor liver.

Answer

Autologous transplantation of patient's own skin-derived stem cells into the liver.

Answer

Autologous transplantation of hepatocytes from the same person for regeneration.

Liver and Biliary Pathology — MCQs

Liver and Biliary Pathology — MCQs

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