Liver and Biliary Pathology — MCQs

Liver and Biliary Pathology Indian Medical PG Practice Questions and MCQs

Question 341: Vinyl chloride exposure is associated with which of the following malignancies?

A. Angiosarcoma of the liver (Correct Answer)
B. Angiofibroma of the nose
C. Hepatocellular carcinoma
D. Transitional cell carcinoma of the bladder

Explanation: **Explanation:** **Angiosarcoma of the liver** is a rare, highly aggressive mesenchymal tumor arising from the endothelial lining of the hepatic sinusoids. The strongest established occupational risk factor for this malignancy is chronic exposure to **Vinyl Chloride Monomer (VCM)**, a gas used in the production of Polyvinyl Chloride (PVC) plastics [3]. Other classic associations include exposure to **Thorotrast** (a legacy radiocontrast agent) and **Arsenic** [2], [3]. **Analysis of Incorrect Options:** * **Angiofibroma of the nose:** This is a benign, highly vascular tumor typically seen in adolescent males (Juvenile Nasopharyngeal Angiofibroma). It is not linked to chemical carcinogens like vinyl chloride. * **Hepatocellular carcinoma (HCC):** While HCC is the most common primary liver cancer, its primary risk factors include Chronic Hepatitis B/C, Cirrhosis, Aflatoxin, and Alcohol. While some chemicals can cause HCC, vinyl chloride is specifically the "textbook" trigger for the endothelial-derived Angiosarcoma [3]. * **Transitional cell carcinoma (TCC) of the bladder:** This is strongly associated with **Aniline dyes**, smoking, Schistosoma haematobium, and Cyclophosphamide, but not vinyl chloride [3]. **NEET-PG High-Yield Pearls:** * **Marker:** Angiosarcomas are of endothelial origin, making them positive for **CD31** (most specific) and **vWF/Factor VIII** [1]. * **Latency:** The period between vinyl chloride exposure and tumor development is often very long (20+ years). * **Radiology:** Unlike hemangiomas, angiosarcomas do not follow a typical filling pattern and are often multicentric with rapid progression. * **Arsenic Triad:** Arsenic exposure is unique as it is linked to three distinct cancers: Angiosarcoma (liver), Squamous Cell Carcinoma (skin/lung), and Bladder cancer [3]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Diseases of Infancy and Childhood, pp. 527-528. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. (Basic Pathology) introduces the student to key general principles of pathology, both as a medical science and as a clinical activity with a vital role in patient care. Part 2 (Disease Mechanisms) provides fundamental knowledge about the cellular and molecular processes involved in diseases, providing the rationale for their treatment. Part 3 (Systematic Pathology) deals in detail with specific diseases, with emphasis on the clinically important aspects., pp. 216-217. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Neoplasia, p. 286.

Question 342: A 58-year-old male with history of multiple sexual partners presented with anorexia and jaundice. The biopsy shows ground-glass opacity in the cells. What is the most probable diagnosis?

A. Hepatitis B (Correct Answer)
B. Hepatitis D
C. Hepatitis A
D. Hepatitis C

Explanation: ***Hepatitis B***- The biopsy finding of **ground-glass opacity** in hepatocytes is pathognomonic for chronic **Hepatitis B Virus (HBV)** infection, caused by the accumulation of **Hepatitis B surface antigen (HBsAg)** in the endoplasmic reticulum [1].- The patient's presentation of jaundice and anorexia, combined with the risk factor of **multiple sexual partners**, is highly suggestive of HBV transmission [3].*Hepatitis A*- Hepatitis A is transmitted via the **fecal-oral route** and rarely leads to chronic liver disease, making it unlikely given the patient's risk profile and chronic signs [2].- Histologically, it causes predominantly **acute panlobular hepatitis** without the distinguishing ground-glass inclusions.*Hepatitis C*- Histologic evaluation of Hepatitis C often reveals **lymphoid aggregates** within the portal tracts and prominent **steatosis** (fatty change), rather than ground-glass inclusions [1].- While transmitted parenterally and potentially sexually, the absence of the characteristic HCV histological features makes this diagnosis less likely.*Hepatitis D*- Hepatitis D is a **defective virus** requiring co-infection or superinfection with **Hepatitis B** for replication.- Although often co-existing with HBV, the specific **ground-glass appearance** results from the accumulation of **HBsAg**, the protein produced primarily by the Hepatitis B virus [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 843-844. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 844-845. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, p. 838.

Question 343: A liver biopsy shows ballooning degeneration of hepatocytes, Mallory-Denk bodies, and neutrophilic infiltration. The patient has a history of chronic alcohol abuse. What is the most likely diagnosis?

A. Viral hepatitis B
B. Alcoholic hepatitis (Correct Answer)
C. Primary biliary cholangitis
D. Non-alcoholic steatohepatitis (NASH)

Explanation: ***Alcoholic hepatitis*** - The histological findings of **ballooning degeneration** of hepatocytes, **Mallory-Denk bodies** (cytoplasmic hyaline inclusions), and **neutrophilic infiltration** constitute the classic triad diagnostic of alcoholic hepatitis [1]. - This represents an acute inflammatory and destructive liver injury usually superimposed on chronic alcohol abuse and steatosis [2]. - The clinical history of **chronic alcohol abuse** strongly supports this diagnosis [3]. *Viral hepatitis B* - While viral hepatitis B can show hepatocyte injury and inflammation, it typically presents with **lymphocytic infiltration** rather than neutrophilic infiltration [1]. - **Mallory-Denk bodies** are characteristically associated with alcoholic liver disease and are not a typical feature of viral hepatitis [1]. - Ground glass hepatocytes (due to HBsAg accumulation) would be more suggestive of chronic HBV infection [1]. *Primary biliary cholangitis* - PBC is characterized by **chronic non-suppurative destructive cholangitis** affecting small and medium-sized intrahepatic bile ducts [1]. - Histological hallmarks include **granulomatous inflammation** around damaged bile ducts and eventual ductopenia [1]. - The described pattern of hepatocyte ballooning, Mallory-Denk bodies, and neutrophilic infiltration is not consistent with PBC [1]. *Non-alcoholic steatohepatitis (NASH)* - NASH can show histological features very similar to alcoholic hepatitis, including ballooning degeneration, Mallory-Denk bodies, and neutrophilic infiltration [2]. - However, the clear **history of chronic alcohol abuse** makes alcoholic hepatitis the more likely diagnosis [3]. - In the absence of alcohol history, NASH would be a strong consideration with these findings [2]. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 388-390. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 848-850. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 850-851.

Question 344: Comment on the diagnosis of the gallbladder specimen provided: (Recent NEET Pattern 2016-17)

A. Cholesterolosis (Correct Answer)
B. Cholesterol polyposis
C. Cholecystitis glandularis proliferans
D. Diverticulosis of gallbladder

Explanation: ***Cholesterolosis*** - This condition is characterized by the accumulation of **cholesterol esters** within the macrophages in the lamina propria of the gallbladder wall. - Grossly, it appears as **yellow specks or streaks** on the mucosal surface, often described as a "strawberry gallbladder" due to the resemblance to strawberry seeds. *Cholesterol polyposis* - While cholesterolosis involves diffuse mucosal changes, **cholesterol polyps** are discrete, sessile or pedunculated lesions composed of cholesterol-laden macrophages. - These are typically single or few, rather than the widespread "strawberry" appearance seen in cholesterolosis. *Cholecystitis glandularis proliferans* - This is a rare, benign proliferative lesion of the gallbladder characterized by **hyperplasia of the mucosal glands** and muscularis, often forming intramural diverticula (Rokitansky-Aschoff sinuses) [1]. - It does not primarily involve cholesterol deposition and has a different macroscopic appearance. *Diverticulosis of gallbladder* - Diverticulosis of the gallbladder refers to the presence of **multiple outpouchings or diverticula** from the gallbladder wall. - These are typically **Rokitansky-Aschoff sinuses** [1], which are invaginations of the mucosa through the muscular layer, and are not primarily characterized by cholesterol deposition. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 404-405.

Question 345: A patient with symptomatic cholecystitis underwent a cholecystectomy. The following specimen was obtained. What is the diagnosis?

A. Gallbladder polyps (Correct Answer)
B. Gallbladder cancer
C. Cholesterolosis
D. Adenomyomatosis

Explanation: ***Gallbladder polyps*** - The image likely shows multiple, small, sessile or pedunculated lesions projecting from the gallbladder mucosa, which are characteristic features of **gallbladder polyps**. - These polyps are often discovered incidentally during cholecystectomy for symptomatic cholecystitis [1][2], as they can sometimes cause symptoms or are found alongside other gallbladder pathologies. *Gallbladder cancer* - **Gallbladder cancer** typically presents as a single, large, irregular mass that infiltrates the gallbladder wall, often with evidence of invasion into surrounding tissues [3]. - While it can be associated with cholecystitis, the image described (multiple, small lesions) is not typical for advanced gallbladder carcinoma [3]. *Cholesterolosis* - **Cholesterolosis**, also known as "strawberry gallbladder," is characterized by the accumulation of cholesterol esters in the macrophages within the lamina propria, giving the mucosa a yellow, speckled appearance. - It does not typically present as distinct, projecting polyps but rather as diffuse mucosal changes. *Strawberry bladder* - **Strawberry bladder** is a colloquial term for **cholesterolosis** of the gallbladder, referring to its speckled, yellow-red appearance due to cholesterol deposits. - This condition involves diffuse mucosal changes rather than discrete polypoid lesions. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 883-886. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 883-884. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, p. 886.

Question 346: All are true about this liver specimen except:

A. Centrilobular hemorrhagic necrosis
B. Fatty change
C. Centrilobular fibrosis
D. Siderofibrotic nodules (Correct Answer)

Explanation: ***Siderofibrotic nodules*** - **Siderofibrotic nodules** (also known as **Gamna-Gandy bodies**) are typically found in the **spleen** due to chronic venous congestion, not the liver. - Their presence in a liver specimen would be an unusual finding, making this the incorrect statement about a typical liver specimen with the described changes. *Centrilobular hemorrhagic necrosis* - This is a common finding in conditions causing **hypoxia** or **venous congestion** in the liver, such as **right-sided heart failure** or **Budd-Chiari syndrome** [1]. - The centrilobular zone (Zone 3) is most susceptible to ischemic injury due to its distance from the hepatic artery [2]. *Fatty change* - **Fatty change** (steatosis) is a very common finding in the liver, associated with conditions like **alcohol abuse**, **obesity**, **diabetes**, and **metabolic syndrome** [3]. - It involves the accumulation of **triglycerides** within hepatocytes. *Centrilobular fibrosis* - **Centrilobular fibrosis** can occur as a consequence of chronic injury, particularly in conditions like **alcoholic liver disease** or **chronic passive congestion** [1]. - It represents the deposition of **collagen** around the central veins. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 869-870. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, p. 828. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 388-389.

Question 347: The following liver specimen shows:

A. Post necrotic cirrhosis
B. Dubin-Johnson syndrome
C. Miliary TB
D. Nutmeg liver (Correct Answer)

Explanation: ***Nutmeg liver*** - **Nutmeg liver** is a gross pathological appearance of the liver due to **chronic passive congestion**, often seen in **right-sided heart failure** [1]. - The variegated appearance resembles a nutmeg due to alternating areas of **congested centrilobular veins** (darker) and **unaffected periportal areas** (lighter) [1][2]. *Post necrotic cirrhosis* - **Post necrotic cirrhosis** is characterized by broad fibrous bands and large regenerative nodules, often following massive hepatic necrosis. - The gross appearance would typically show a **shrunken, nodular liver** with extensive fibrosis, not the specific variegated pattern of nutmeg liver. *Dubin-Johnson syndrome* - **Dubin-Johnson syndrome** is a hereditary disorder causing conjugated hyperbilirubinemia due to impaired bilirubin excretion. - The liver is typically **macroscopically black** due to the accumulation of a dark pigment (epinephrine metabolites) within hepatocytes, which is distinct from the nutmeg appearance. *Miliary TB* - **Miliary tuberculosis** of the liver presents with numerous small, scattered **granulomas** (tubercles) throughout the liver parenchyma [3]. - Grossly, this would appear as **multiple tiny, pale nodules** resembling millet seeds, not the characteristic congested pattern of nutmeg liver. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Hemodynamic Disorders, Thromboembolic Disease, and Shock, p. 126. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 870-872. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 401-402.

Question 348: The liver specimen is diagnostic of:

A. Nutmeg liver (Correct Answer)
B. Post necrotic cirrhosis
C. Chronic venous congestion of liver
D. Dubin-Johnson syndrome

Explanation: ***Nutmeg liver*** - This term describes the gross appearance of a liver affected by **chronic passive congestion**, often due to right-sided heart failure [1][3]. - The mottled appearance resembles a cut nutmeg, with dark, congested central veins and paler, fatty peripheral zones [1][2][3]. *Post necrotic cirrhosis* - This is a type of **cirrhosis** resulting from massive or submassive hepatic necrosis, often due to viral hepatitis or drug toxicity. - Histologically, it shows broad bands of fibrosis with regenerating nodules, not the characteristic congestion pattern of nutmeg liver. *Chronic venous congestion of liver* - While "nutmeg liver" is the gross appearance of chronic venous congestion, this option is less specific [2]. - The term "nutmeg liver" specifically refers to the **macroscopic appearance** caused by this congestion [1][3]. *Dubin-Johnson syndrome* - This is a rare, benign, inherited disorder causing **direct hyperbilirubinemia** due to a defect in bilirubin excretion. - The liver appears **black** grossly due to the accumulation of a dark pigment in hepatocytes, which is distinct from the nutmeg appearance. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Hemodynamic Disorders, Thromboembolic Disease, and Shock, p. 126. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 401-402. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 870-872.

Question 349: All are true about the marking X in histopathological specimen from a patient of fatty liver except:

A. Eosinophilic aggregates of prekeratin
B. Intranuclear inclusions (Correct Answer)
C. Best visualized with masson trichrome
D. Also seen in Indian childhood cirrhosis

Explanation: ***Best visualized with masson trichrome*** - The marking 'X' refers to **Mallory bodies** (also known as Mallory's hyaline or alcoholic hyaline) [1]. - Mallory bodies are **eosinophilic cytoplasmic inclusions** and are best visualized with **hematoxylin and eosin (H&E) stain**, not Masson trichrome. Masson trichrome is used to highlight **collagen** (fibrosis) [2]. *Eosinophilic aggregates of prekeratin* - Mallory bodies are indeed **eosinophilic aggregates** composed primarily of **intermediate filaments**, including **prekeratin** (cytokeratin 8 and 18) [3]. - This description accurately characterizes the composition and staining properties of Mallory bodies. *Intranuclear inclusions* - Mallory bodies are **cytoplasmic inclusions**, not intranuclear [1][3]. - Intranuclear inclusions are typically associated with viral infections (e.g., CMV, herpes) or certain genetic disorders. *Also seen in Indian childhood cirrhosis* - Mallory bodies are a characteristic feature of **alcoholic liver disease** but can also be found in other conditions, including **non-alcoholic steatohepatitis (NASH)**, **Wilson's disease**, **cholestasis**, and **Indian childhood cirrhosis** [1]. - Their presence in Indian childhood cirrhosis is a known histopathological finding. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 388-389. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 848-850. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, p. 852.

Question 350: The marking X in a histopathological specimen from a patient of fatty liver shows:

A. Mallory hyaline body (Correct Answer)
B. Councilman body
C. Russell body
D. Normal Kupffer cell

Explanation: ***Mallory hyaline body*** - **Mallory hyaline bodies** (also known as Mallory-Denk bodies) are characteristic eosinophilic cytoplasmic inclusions found in hepatocytes, often seen in **alcoholic fatty liver disease** and other forms of liver injury [1]. - They are composed of tangled intermediate filaments, primarily **keratin 8 and 18**, and indicate hepatocyte damage [1]. *Councilman body* - **Councilman bodies** are apoptotic hepatocytes, appearing as intensely eosinophilic, shrunken cells with condensed nuclei. - They are typically seen in conditions with widespread hepatocyte apoptosis, such as **viral hepatitis** or **yellow fever**, not specifically fatty liver. *Russell body* - **Russell bodies** are eosinophilic, spherical inclusions found within the cytoplasm of **plasma cells**. - They represent an accumulation of **immunoglobulins** within the endoplasmic reticulum and are associated with chronic inflammation or plasma cell dyscrasias, not liver pathology. *Normal Kupffer cell* - **Kupffer cells** are resident macrophages of the liver, located in the sinusoids. - While they are normal components of liver histology, they do not appear as specific "bodies" or inclusions indicative of fatty liver disease; rather, they are involved in phagocytosis and immune responses. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 852-854. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 388-389.

Practice by Chapter

Jaundice and Cholestasis

Practice Questions

Viral Hepatitis

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Alcoholic and Non-alcoholic Fatty Liver Disease

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Drug and Toxin Induced Liver Injury

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Cirrhosis and Its Complications

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Metabolic Liver Diseases

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Liver Tumors

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Gallbladder and Biliary Tract Diseases

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Congenital Liver Diseases

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Liver Transplantation Pathology

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