Liver and Biliary Pathology — MCQs

Liver and Biliary Pathology Indian Medical PG Practice Questions and MCQs

Question 371: A 45-year-old woman with obesity, hypertension, diabetes, and elevated liver enzymes underwent a liver biopsy that showed macrovesicular steatosis and ballooning degeneration. What is the diagnosis?

A. Alcoholic liver disease
B. Non-alcoholic fatty liver disease (Correct Answer)
C. Viral hepatitis
D. Hemochromatosis

Explanation: ***Non-alcoholic fatty liver disease*** - The presence of **macrovesicular steatosis** and **ballooning degeneration** in the liver biopsy strongly indicates non-alcoholic fatty liver disease (NAFLD), commonly seen in patients with **obesity**, **hypertension**, and **diabetes** [1][2]. - NAFLD is associated with metabolic syndrome and is characterized by **fat accumulation** in hepatocytes without significant alcohol consumption [1]. *Hemochromatosis* - Hemochromatosis is characterized by **iron overload** leading to different histological changes, typically including **fibrosis** and **iron deposition**, which are not evident here [3]. - Patients usually present with **skin pigmentation** and other systemic symptoms related to iron overload, absent in this case. *Viral hepatitis* - Viral hepatitis typically presents with **portal inflammation** and **interstitial lymphocytic infiltrate**, differing from the findings of macrovesicular steatosis. - Commonly associated with **elevated transaminases** but would show distinct histological features in biopsy, which are not correlating here. *Alcoholic liver disease* - Alcoholic liver disease presents with **microvesicular** steatosis, and the biopsy would typically show **fibrosis** and **inflammation** associated with heavy alcohol use, which is not reported in this case [1][3]. - Patient history of significant alcohol intake would also be expected, but is not mentioned [3]. **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. 389-390. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 388-389.

Question 372: Which cell type is responsible for fibrosis in liver cirrhosis?

A. Kupffer cells
B. Hepatocytes
C. Stellate cells (Correct Answer)
D. Bile duct epithelium

Explanation: ***Stellate cells*** - **Hepatic stellate cells**, when activated by liver injury, differentiate into myofibroblast-like cells [1]. - These activated cells are the primary producers of **extracellular matrix components**, including collagen, leading to fibrosis and ultimately cirrhosis [2]. *Kupffer cells* - **Kupffer cells** are resident liver macrophages that play a role in inflammation and host defense [1]. - While they can contribute to the inflammatory milieu that *activates* stellate cells, they are not directly responsible for producing the fibrotic scar tissue. *Hepatocytes* - **Hepatocytes** are the main functional cells of the liver, involved in metabolism, detoxification, and protein synthesis [1]. - While their injury or death can trigger the fibrotic process, hepatocytes themselves do not produce the excessive collagen that characterizes fibrosis. *Bile duct epithelium* - The **bile duct epithelium** lines the bile ducts and is involved in bile modification and transport [1]. - In certain cholestatic liver diseases, damage to bile ducts can contribute to fibrosis, but the epithelial cells themselves are not the primary producers of fibrotic matrix. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 381-382. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 830-832.

Question 373: Which condition is characterized by hepatocytes containing globular inclusions that stain positively with periodic acid-Schiff (PAS)?

A. Wilson disease
B. Alpha-1 antitrypsin deficiency (Correct Answer)
C. Hemochromatosis
D. Non-alcoholic fatty liver disease

Explanation: ***Alpha-1 antitrypsin deficiency*** - This condition is characterized by **hepatocytes containing globular inclusions** of misfolded alpha-1 antitrypsin protein [1]. - These inclusions stain **positively with periodic acid-Schiff (PAS)** and are **diastase-resistant**, distinguishing them from glycogen [1]. *Wilson disease* - Involves impaired **copper metabolism**, leading to copper accumulation in the liver, brain, and other organs [2]. - Liver pathology shows **fatty change, inflammation, fibrosis**, and sometimes Mallory bodies, but not PAS-positive globular inclusions [2]. *Hemochromatosis* - Characterized by excessive **iron deposition** in various organs, including the liver [4]. - Liver biopsies in hemochromatosis show **iron overload** (stains positive with Prussian blue), not PAS-positive globular inclusions [4]. *Non-alcoholic fatty liver disease* - Involves **fat accumulation (steatosis)** in hepatocytes, often associated with metabolic syndrome [3]. - Liver biopsy typically shows **macrovesicular steatosis**, inflammation, and fibrosis, but not the specific PAS-positive globular inclusions seen in alpha-1 antitrypsin deficiency [3]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 856-858. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 394-395. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 852-854. [4] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 854-855.

Question 374: A 70-year-old man presents with worsening jaundice and a liver mass. A biopsy shows cells with eosinophilic cytoplasm and prominent nucleoli. What is the most likely diagnosis?

A. Hepatocellular carcinoma (Correct Answer)
B. Cholangiocarcinoma
C. Metastatic colon cancer
D. Hemangioma

Explanation: ***Hepatocellular carcinoma*** - The patient's presentation with **worsening jaundice** (indicating liver dysfunction or biliary obstruction from a mass) and a **liver mass** is highly suggestive of a primary liver malignancy. [1] - **Eosinophilic cytoplasm** and **prominent nucleoli** on biopsy are classic histological features of hepatocellular carcinoma (HCC), reflecting cellular atypia and active growth. [1] *Cholangiocarcinoma* - While it also presents with jaundice and a liver mass, cholangiocarcinoma typically arises from bile duct epithelial cells and would show **glandular differentiation** with desmoplastic stroma on biopsy, not primarily eosinophilic cytoplasm. - The cell morphology described (eosinophilic cytoplasm, prominent nucleoli) is less characteristic of cholangiocarcinoma compared to HCC. [1] *Metastatic colon cancer* - Metastatic colon cancer to the liver often appears as a liver mass and can cause jaundice. However, the biopsy would reveal **adenocarcinoma cells**, which are usually columnar with mucin production, resembling colonic epithelium, rather than predominantly eosinophilic hepatocytes. - The **histological features** described do not align with those of metastatic adenocarcinoma. *Hemangioma* - A hemangioma is a common **benign vascular tumor** of the liver, usually discovered incidentally and rarely causing jaundice unless very large and compressing bile ducts. - A biopsy of a hemangioma would show **blood-filled spaces lined by endothelial cells**, which is distinctly different from the described cellular morphology of eosinophilic cytoplasm and prominent nucleoli. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 878-879.

Question 375: Which liver disease/s is/are associated with ductopenia?

A. Hepatic sarcoidosis
B. Paraneoplastic syndrome related to Hodgkin's lymphoma
C. Chronic graft rejection
D. All of the options (Correct Answer)

Explanation: ***All the above*** - Ductopenia can be seen in various liver diseases, and all the conditions listed are known to be associated with it. - Each condition involves mechanisms that can lead to the loss or destruction of bile ducts, resulting in ductopenia [1]. *Paraneoplastic syndrome related to Hodgkin's lymphoma* - Although it may cause liver dysfunction, it is not a well-established cause of **ductopenia** specifically. - **Hodgkin's lymphoma** primarily leads to compressive effects or portal hypertension rather than direct duct damage. *Chronic graft rejection* - Characterized by various histopathological changes in the liver but not specifically **ductopenia**. - More commonly leads to **bile duct injury**, but the classic presentation is different from ductopenia. *Hepatic sarcoidosis* - While it can impact the liver, its main association is granulomatous infiltration rather than ductopenia. - The predominant effect of sarcoidosis is typically **granuloma formation**, which differs from ductopenia. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 864-865.

Question 376: Specific antibody associated with primary biliary cirrhosis is:

A. Anti-myosin antibodies
B. Anti-nuclear antibodies
C. Anti-endomysial antibodies
D. Anti-mitochondrial antibodies (Correct Answer)

Explanation: ***Anti-mitochondrial*** - **Anti-mitochondrial antibodies (AMAs)** are the serologic hallmark of **primary biliary cholangitis (PBC)**, previously known as primary biliary cirrhosis. - They are present in about 90-95% of patients with PBC and target enzymes in the inner mitochondrial membrane, particularly the **pyruvate dehydrogenase complex**. *Anti-myosin antibodies* - **Anti-myosin antibodies** are not typically associated with primary biliary cholangitis. - Myosin is a protein found in muscle cells, and antibodies against it are more relevant to certain **myopathies** or cardiac conditions, not liver disease. *Anti-nuclear antibodies* - **Anti-nuclear antibodies (ANAs)** are characteristic of **autoimmune diseases** such as systemic lupus erythematosus, scleroderma, and drug-induced lupus. - While ANAs can be found in a subset of PBC patients, they are not specific for the disease and are not the primary diagnostic antibody. *Anti-endomysial antibodies* - **Anti-endomysial antibodies (EMAs)** are highly specific for **celiac disease**. - They target the endomysium, a type of connective tissue surrounding muscle fibers, and are indicative of gluten-sensitive enteropathy, not primary biliary cholangitis.

Question 377: The zonal necrosis most commonly affected in chronic passive hepatic congestion is?

A. Central (Correct Answer)
B. Peripheral
C. Mid zonal
D. Panlobular

Explanation: ***Central*** - In chronic passive hepatic congestion, **central zones** of the liver acini are most commonly affected due to **ischemia** from the compromised blood flow [1]. - This leads to **zonal necrosis**, characterized by hepatocyte degeneration and ultimately fibrosis in these areas [1]. *Peripheral* - Zonal necrosis is less likely to occur in the **peripheral zones** (zone 1), which are better perfused during congestion [2]. - Moreover, necrosis in peripheral zones is more associated with conditions like **toxic substances** or **viral hepatitis**. *None* - The term "none" is not applicable in this context as it implies no specific area is affected, which contradicts the nature of zonal necrosis in congestion. - In chronic passive hepatic congestion, some form of necrosis is always present, commonly in the **central zones** [1]. *Mid zonal* - Mid zonal necrosis (zone 2) does not typically represent the predominant area affected in chronic passive congestion. - The central zones are primarily susceptible, while mid zones may have responses to **different pathological processes**, such as hepatic ischemia or metabolic disturbances [2]. **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, p. 828.

Question 378: Gamma gandy bodies are typically seen in which of the following conditions?

A. Thalassemia with iron overload due to transfusions
B. Cirrhosis with portal hypertension (Correct Answer)
C. Sickle cell anemia
D. Chronic myeloid leukemia

Explanation: ***Cirrhosis with portal hypertension*** - **Gamma-Gandy bodies** are **pathognomonic** for **chronic congestive splenomegaly**, most classically caused by **portal hypertension** secondary to **cirrhosis**. - These bodies represent **hemosiderin-laden macrophages** with **fibrosis** and **calcium deposits** that form after repeated episodes of splenic hemorrhage due to chronic venous congestion. - They appear as **brown nodules** on gross examination and are composed of focal areas of hemorrhage, hemosiderin deposition, fibrosis, and eventual dystrophic calcification. - Portal hypertension leads to sustained splenic congestion, making this the **classic association** with Gamma-Gandy bodies. *Sickle cell anemia* - Sickle cell anemia causes **splenic infarction** and eventual **autosplenectomy** (functional asplenia) due to repeated vaso-occlusive crises. - The pathology is **ischemic infarction** rather than congestive splenomegaly, so Gamma-Gandy bodies are **not** characteristically seen. - By adulthood, most patients with sickle cell disease have a small, fibrotic, non-functioning spleen. *Chronic myeloid leukemia* - **CML** causes **massive splenomegaly** due to **extramedullary hematopoiesis** and infiltration by neoplastic myeloid cells. - The spleen enlarges due to cellular proliferation, not chronic passive congestion. - Gamma-Gandy bodies are **not a feature** of CML-related splenomegaly. *Thalassemia with iron overload due to transfusions* - **Thalassemia** causes splenomegaly due to **extramedullary hematopoiesis** and hemolysis. - While there is **iron overload**, it presents as **diffuse hemosiderosis** rather than the focal fibrotic nodules with hemosiderin and calcium that characterize Gamma-Gandy bodies. - The pathophysiology is different from chronic congestive splenomegaly.

Question 379: In which conditions is bridging necrosis characteristically observed?

A. Acute hepatitis only
B. Chronic hepatitis only
C. Both acute and chronic hepatitis (Correct Answer)
D. Neither acute nor chronic hepatitis

Explanation: ***Both of the above*** - Bridging necrosis can occur in both **acute and chronic hepatitis**, indicating significant liver parenchyma damage [1]. - It is characterized by the **bridging of necrotic hepatocytes** across portal areas, seen in severe hepatic injury. *None of the above* - This option is incorrect as bridging necrosis is associated with both **acute** and **chronic hepatitis**. - It dismisses the presence of necrosis, which is a clear feature in the context of liver diseases. *Chronic hepatitis* - Although chronic hepatitis may show necrosis, **bridging necrosis** is not exclusively characteristic of it. - It typically exhibits a more diffuse or patchy necrosis pattern rather than the bridging type. *Acute hepatitis* - While acute hepatitis can show necrosis, the term **bridging necrosis** itself is more related to severe acute or chronic conditions, not usually isolated to acute hepatitis [1]. - Acute hepatitis primarily presents with **spotty necrosis** rather than a bridging phenomenon.

Question 380: What syndrome is characterized by bile duct paucity?

A. Von Meyenburg Complexes
B. Polycystic Liver Disease
C. Caroli Disease
D. Alagille Syndrome (Correct Answer)

Explanation: ***Alagille Syndrome*** - This is a **genetic disorder** characterized by reduced numbers of **intrahepatic bile ducts (bile duct paucity)**, leading to **cholestasis**. - It involves multiple organ systems, including the heart (e.g., **pulmonary artery stenosis**), skeleton (vertebral abnormalities), eyes (posterior embryotoxon), and kidneys. *Von Meyenburg Complexes* - These are **small, benign malformations** of the intrahepatic bile ducts, often found incidentally. - They represent **dilated bile ducts** but do not involve a reduction in the number of bile ducts or cholestasis. *Polycystic Liver Disease* - Characterized by the development of **multiple cysts** within the liver, which are fluid-filled sacs [1]. - While it involves abnormal bile duct development, it is not primarily defined by a **paucity of bile ducts** [1]. *Caroli Disease* - This is a rare congenital disorder characterized by **segmental saccular dilation of the intrahepatic bile ducts**. - It involves **dilated bile ducts**, not a reduction in their number, and can lead to recurrent cholangitis and stone formation. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Kidney, pp. 952-953.

Practice by Chapter

Jaundice and Cholestasis

Practice Questions

Viral Hepatitis

Practice Questions

Alcoholic and Non-alcoholic Fatty Liver Disease

Practice Questions

Drug and Toxin Induced Liver Injury

Practice Questions

Cirrhosis and Its Complications

Practice Questions

Metabolic Liver Diseases

Practice Questions

Liver Tumors

Practice Questions

Gallbladder and Biliary Tract Diseases

Practice Questions

Congenital Liver Diseases

Practice Questions

Liver Transplantation Pathology

Practice Questions

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