Liver and Biliary Pathology — MCQs

Liver and Biliary Pathology Indian Medical PG Practice Questions and MCQs

Question 211: What is the most common tumor found in the liver?

A. Cavernous hemangioma
B. Hepatocellular carcinoma
C. Adenoma
D. Metastasis (Correct Answer)

Explanation: **Explanation:** The liver is the most common site for blood-borne visceral metastases because of its dual blood supply (portal vein and hepatic artery) and its role as a massive filtration system [2]. **1. Why Metastasis is Correct:** Statistically, **metastatic tumors** are the most common neoplasms found in the liver, outnumbering primary liver cancers [1]. The most frequent primary sources are the **colon, pancreas, breast, and lung** [3]. On imaging or gross pathology, they typically present as multiple, well-circumscribed nodules [2]. **2. Analysis of Incorrect Options:** * **Cavernous Hemangioma (Option A):** This is the most common **benign** primary tumor of the liver [1]. While frequent, it is less common than metastatic disease. * **Hepatocellular Carcinoma (Option B):** This is the most common **primary malignant** tumor of the liver [1]. It usually arises in the setting of chronic liver disease or cirrhosis (HBV/HCV). * **Adenoma (Option C):** This is a rare benign tumor, most commonly associated with **oral contraceptive pill (OCP)** use or anabolic steroids [1]. It carries a risk of rupture and intraperitoneal hemorrhage. **3. NEET-PG High-Yield Pearls:** * **Most common liver tumor:** Metastasis [1]. * **Most common benign liver tumor:** Cavernous hemangioma [1]. * **Most common primary malignant liver tumor:** Hepatocellular Carcinoma (HCC) [1]. * **Most common primary liver tumor in children:** Hepatoblastoma. * **Tumor Marker for HCC:** Alpha-fetoprotein (AFP). * **Imaging Sign:** Metastases often show a "target" or "bull’s eye" appearance on ultrasound. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 398-399. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Neoplasia, p. 282. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Lung, pp. 724-725.

Question 212: A 23-year-old woman presents after a motor vehicle accident. An abdominal CT scan revealed a questionable mass in the right lobe of the liver. A subsequent fine-needle biopsy confirmed the presence of a liver adenoma. Which of the following is associated with the development of this lesion?

A. Hepatitis B
B. Hepatitis C
C. Oral contraceptives (Correct Answer)
D. Polycythemia vera

Explanation: **Explanation:** **Hepatic Adenoma** is a benign epithelial liver tumor that occurs most commonly in young women of childbearing age. **1. Why Oral Contraceptives (OCPs) are correct:** There is a strong, well-established causal relationship between the long-term use of **oral contraceptives** and the development of hepatic adenomas [1]. The risk increases with the duration of use and the potency of the estrogen component [1]. These tumors are often highly vascular and carry a significant risk of **spontaneous rupture and life-threatening intraperitoneal hemorrhage**, especially during pregnancy or menstruation. Regression may occur upon discontinuation of OCPs [1]. **2. Why other options are incorrect:** * **Hepatitis B & C (Options A & B):** These viral infections are primary risk factors for **Hepatocellular Carcinoma (HCC)** and cirrhosis, but they are not associated with benign hepatic adenomas. * **Polycythemia Vera (Option D):** This myeloproliferative disorder is a major risk factor for **Budd-Chiari Syndrome** (hepatic vein thrombosis) due to hypercoagulability, but it does not cause adenomas. **3. High-Yield Clinical Pearls for NEET-PG:** * **Risk Factors:** Besides OCPs, hepatic adenomas are associated with **Anabolic Steroids** and **Glycogen Storage Diseases** (especially Type I - von Gierke disease) [1]. * **Morphology:** Characterized by sheets of hepatocytes without portal tracts or bile ducts. * **Molecular Subtypes:** * *HNF1-α inactivated:* Low malignancy risk [1]. * *β-catenin activated:* High risk of malignant transformation to HCC. * *Inflammatory:* Associated with obesity and CRP elevation. * **Management:** Large adenomas (>5 cm) or those with β-catenin mutations are usually resected due to the risk of rupture or malignancy. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, p. 874.

Question 213: Mallory hyaline is a characteristic feature of?

A. Hepatocellular carcinoma
B. Primary biliary cirrhosis
C. Alcoholic liver disease (Correct Answer)
D. Wilson's disease

Explanation: **Explanation:** **Mallory-Denk bodies (Mallory hyaline)** are eosinophilic, rope-like intracytoplasmic inclusions found within hepatocytes [1], [3]. They are primarily composed of tangled intermediate filaments, specifically **Cytokeratin 8 and 18**, ubiquitinated proteins, and heat shock proteins [2]. 1. **Why Alcoholic Liver Disease (ALD) is correct:** Mallory hyaline is a classic hallmark of alcoholic hepatitis [1]. Chronic alcohol consumption leads to oxidative stress and cytoskeletal damage, causing the condensation of pre-keratin filaments into these characteristic eosinophilic masses. While not pathognomonic, they are most frequently associated with ALD in clinical practice [3]. 2. **Analysis of Incorrect Options:** * **Hepatocellular Carcinoma (HCC):** While Mallory bodies can occasionally be seen in HCC, they are not a defining characteristic. HCC is more typically associated with **Alpha-fetoprotein (AFP)** elevation and "pseudo-rosette" patterns. * **Primary Biliary Cholangitis (PBC):** PBC is characterized by the destruction of small intrahepatic bile ducts and **florid duct lesions** [3]. While Mallory bodies can appear in late-stage cholestasis, they are not the primary diagnostic feature. * **Wilson’s Disease:** This is a disorder of copper metabolism [3]. While Mallory bodies can be present, the more characteristic findings are **increased hepatic copper** (Rhodanine stain) and **Kayser-Fleischer rings** in the cornea. **High-Yield Clinical Pearls for NEET-PG:** * **Composition:** Cytokeratin 8 and 18 (Intermediate filaments) [2]. * **Stain:** They are visible on H&E stain but can be highlighted using **Ubiquitin** or **p62** immunohistochemistry. * **Mnemonic for Mallory Bodies (W-A-N-I-P):** **W**ilson’s disease, **A**lcoholic hepatitis, **N**on-alcoholic steatohepatitis (NASH), **I**ndian childhood cirrhosis, **P**rimary biliary cholangitis. * **Key Distinction:** In Alcoholic Hepatitis, look for the triad of **Hepatocyte swelling (ballooning), Mallory bodies, and Neutrophilic infiltration** [2]. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 389-390. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 852-854. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 388-389.

Question 214: Which of the following is a predisposing factor for cholangiocarcinoma?

A. Primary Sclerosing Cholangitis (PSC) (Correct Answer)
B. Gallstones
C. Ankylostomiasis
D. All of the above

Explanation: **Explanation:** Cholangiocarcinoma (CCA) is a malignancy arising from the epithelial lining of the biliary tree. The primary underlying mechanism for its development is **chronic inflammation and cholestasis**, which leads to cellular injury, DNA damage, and subsequent malignant transformation. **1. Why Primary Sclerosing Cholangitis (PSC) is correct:** PSC is the most significant risk factor for cholangiocarcinoma in the Western world [1]. It is characterized by chronic fibrosing inflammation of the intrahepatic and extrahepatic bile ducts. Approximately 10–15% of patients with PSC will develop CCA, often at a younger age than the general population [1]. **2. Why the other options are incorrect:** * **Gallstones (Cholelithiasis):** While gallstones are a major risk factor for **Gallbladder Carcinoma**, they are not directly linked to cholangiocarcinoma. However, *hepatolithiasis* (intrahepatic stones) is a known risk factor [2]. * **Ankylostomiasis:** This is an infection caused by hookworms (*Ancylostoma duodenale*), which primarily affects the intestines and causes iron-deficiency anemia. It has no association with biliary malignancy. The parasitic infections that *do* cause CCA are the liver flukes, specifically **Opisthorchis viverrini** and **Clonorchis sinensis**. **High-Yield Clinical Pearls for NEET-PG:** * **Parasitic Risk Factors:** Liver flukes (*C. sinensis*) are a classic high-yield association for CCA in endemic areas (Southeast Asia). * **Congenital Risk Factors:** **Caroli disease** and choledochal cysts (Type I and IV) significantly increase the risk. * **Tumor Marker:** **CA 19-9** is the most commonly used marker for monitoring, though it lacks specificity. * **Morphology:** Most CCAs are well-to-moderately differentiated **adenocarcinomas** with a dense fibrous stroma (desmoplasia) [3]. * **Klatskin Tumor:** A specific subtype of hilar cholangiocarcinoma occurring at the junction of the right and left hepatic ducts. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 865-866. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 866-868. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 880-881.

Question 215: Increased deposition of fat in the liver in a patient with alcoholism is due to which of the following mechanisms?

A. Increased catabolism of fat peripherally (Correct Answer)
B. Decreased fatty acid oxidation
C. Increased triglyceride synthesis
D. Accumulation of triglycerides in the terminal hepatic venular zone

Explanation: **Explanation:** Alcoholic Liver Disease (ALD) begins with **Steatosis (Fatty Liver)**. While alcohol metabolism involves multiple pathways, the primary driver for increased fat deposition in the liver—especially in the context of acute/chronic alcohol consumption—is the **increased mobilization of free fatty acids (FFAs) from peripheral adipose tissue.** [1], [2] **Why Option A is Correct:** Alcohol consumption triggers the release of catecholamines, which stimulate peripheral lipolysis (catabolism of fat). This results in a massive influx of FFAs into the liver via the portal circulation. Once in the hepatocytes, these FFAs are esterified into triglycerides, leading to steatosis. **Analysis of Incorrect Options:** * **B & C:** While decreased fatty acid oxidation (due to an increased NADH:NAD ratio) and increased triglyceride synthesis do occur in ALD, they are considered **secondary mechanisms** [3] or consequences of the metabolic shift. In the context of this specific question, the "increased catabolism of fat peripherally" is the recognized primary source of the lipid load. * **D:** While fat does accumulate first in the **centrilobular (Zone 3)** area (around the terminal hepatic vein) [1], this describes the *location* of the pathology, not the *mechanism* of deposition. **NEET-PG High-Yield Pearls:** * **Earliest Change:** Steatosis is the earliest morphological change in ALD and is reversible with abstinence. [1] * **Microscopy:** Look for "Macrovesicular steatosis" where a large fat globule pushes the nucleus to the periphery. [1] * **Metabolic Shift:** Alcohol metabolism by Alcohol Dehydrogenase (ADH) increases the **NADH/NAD+ ratio**, which inhibits gluconeogenesis and fatty acid oxidation while promoting lipogenesis. [3] * **Zone 3 Vulnerability:** Zone 3 is most susceptible to alcoholic injury because it has the lowest oxygen tension and the highest concentration of CYP2E1. [1] **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 848-850. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Infectious Diseases, pp. 426-427. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Infectious Diseases, pp. 425-426.

Question 216: Which of the following conditions is associated with non-alcoholic steatohepatitis?

A. Diabetes Mellitus (DM) (Correct Answer)
B. Obesity
C. Ischemic Heart Disease (IHD)
D. Gallstones

Explanation: **Explanation:** **Non-alcoholic Steatohepatitis (NASH)** is the progressive form of Non-alcoholic Fatty Liver Disease (NAFLD), characterized by hepatic steatosis, ballooning degeneration, and inflammation [1]. **Why Diabetes Mellitus (DM) is the correct answer:** The primary driver of NASH is **Insulin Resistance** [1]. In Type 2 Diabetes Mellitus, insulin resistance leads to increased peripheral lipolysis and an influx of free fatty acids (FFAs) into the liver [2]. This triggers oxidative stress and the release of inflammatory cytokines (the "two-hit hypothesis"), leading to hepatocyte injury [3]. While obesity is a major risk factor, clinical studies and pathology textbooks (like Robbins) emphasize that **Diabetes Mellitus** has the strongest and most direct metabolic association with the progression from simple steatosis to NASH and subsequent cirrhosis. **Analysis of Incorrect Options:** * **B. Obesity:** While highly associated with NAFLD, obesity is considered a risk factor rather than a definitive diagnostic association in the context of this specific question's hierarchy [1]. DM represents a more advanced state of metabolic dysfunction. * **C. Ischemic Heart Disease (IHD):** IHD is a *consequence* of the metabolic syndrome that causes NASH, rather than a direct cause or primary association of the liver pathology itself. * **D. Gallstones:** These are associated with obesity and rapid weight loss but do not play a role in the pathogenesis of steatohepatitis. **High-Yield Clinical Pearls for NEET-PG:** * **Histology:** Look for "Mallory-Denk bodies" (ubiquitinated intermediate filaments) and "Chicken-wire fibrosis" (perisinusoidal/pericellular fibrosis) [4]. * **The "Two-Hit" Hypothesis:** 1st hit is Steatosis; 2nd hit is Oxidative Stress/Lipid Peroxidation [1]. * **Most common cause of incidental elevation of LFTs** in the developed world is NAFLD. * **Treatment:** Weight loss and insulin sensitizers (like Pioglitazone) are mainstay therapies. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 851-852. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Endocrine System, pp. 1114-1115. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, p. 852. [4] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 852-854.

Question 217: What is the most common cause of Budd-Chiari syndrome?

A. Hepatic vein valves
B. Hypercoagulable state in Nephrotic syndrome
C. Paroxysmal nocturnal hemoglobinuria (PNH)
D. Polycythemia vera (Correct Answer)

Explanation: **Explanation:** **Budd-Chiari Syndrome (BCS)** is characterized by the obstruction of hepatic venous outflow at any level from the small hepatic veins to the junction of the inferior vena cava with the right atrium. **Why Polycythemia Vera is the Correct Answer:** The primary underlying mechanism for BCS in adults is a **hypercoagulable state**. Among all prothrombotic disorders, **Polycythemia Vera (PV)**—a myeloproliferative neoplasm—is the most common cause globally. In PV, the increased red cell mass and associated JAK2 mutations lead to hyperviscosity and a high risk of venous thrombosis, specifically in the hepatic veins [1], [2]. **Analysis of Incorrect Options:** * **Hepatic vein valves:** While membranous webs or "valves" in the IVC are a significant cause of BCS in certain geographic regions (like Nepal or parts of Asia), they are less common globally compared to hematologic malignancies. * **Nephrotic syndrome:** This causes a hypercoagulable state due to the loss of Antithrombin III in urine, but it more typically leads to **Renal Vein Thrombosis** rather than BCS. * **Paroxysmal nocturnal hemoglobinuria (PNH):** PNH is a very strong risk factor for BCS, and BCS is a leading cause of death in PNH patients. However, statistically, Polycythemia Vera occurs more frequently in the general population and remains the leading cause. **High-Yield Clinical Pearls for NEET-PG:** * **Classic Triad:** Abdominal pain, hepatomegaly, and ascites. * **Nutmeg Liver:** Chronic congestion leads to a "nutmeg" appearance (centrilobular necrosis). * **Caudate Lobe Hypertrophy:** Since the caudate lobe has separate venous drainage directly into the IVC, it often undergoes compensatory hypertrophy in BCS. * **Most common cause in pregnancy:** Protein S deficiency or associated thrombophilic states. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Diseases of White Blood Cells, Lymph Nodes, Spleen, and Thymus, pp. 626-627. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 614-615.

Question 218: True regarding fibrolamellar carcinoma (FLC) of the liver are all the following EXCEPT?

A. Age group of occurrence is between 20-40 years
B. Extensive fibrosis
C. Favorable prognosis
D. Occurs in a pre-existing cirrhotic liver (Correct Answer)

Explanation: **Explanation:** Fibrolamellar Carcinoma (FLC) is a distinct variant of Hepatocellular Carcinoma (HCC) that differs significantly from the conventional type in its clinical and pathological profile. **Why Option D is the Correct Answer (The Exception):** Unlike conventional HCC, which typically arises in the background of chronic liver disease [1] or cirrhosis (due to Hepatitis B, C, or Alcohol) [2], **Fibrolamellar Carcinoma occurs in non-cirrhotic, healthy livers.** There is no association with HBV/HCV infection or elevated Alpha-Fetoprotein (AFP) levels. **Analysis of Other Options:** * **Option A (Age 20-40 years):** FLC typically affects young adults (mean age ~25 years) with no gender predilection, whereas conventional HCC is more common in older patients. * **Option B (Extensive Fibrosis):** The name "fibrolamellar" is derived from its characteristic histology: large, polygonal malignant hepatocytes separated by **parallel (lamellar) bundles of collagen fibers**. * **Option C (Favorable Prognosis):** Because it occurs in a non-cirrhotic liver and is often slow-growing, it generally has a better prognosis and higher resectability rate compared to conventional HCC [2]. **High-Yield Clinical Pearls for NEET-PG:** * **Tumor Marker:** AFP is usually **normal**. A specific molecular marker is the **DNAJB1-PRKACA fusion gene** (resulting from a deletion on chromosome 19). * **Gross Appearance:** Often presents as a single, large, hard "scirrhous" mass with a **central stellate scar** (mimicking Focal Nodular Hyperplasia). * **Microscopy:** Cells are "Oncocyte-like"—large, eosinophilic, and granular due to abundant mitochondria. * **Neurotensin:** Serum levels of neurotensin or vitamin B12 binding capacity may be elevated. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 876-877. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 399-400.

Question 219: Which of the following statements regarding Hepatocellular carcinoma (HCC) is true?

A. NASH is a risk factor for HCC. (Correct Answer)
B. Oral contraceptive pills (OCPs) are implicated in HCC development.
C. Focal Nodular Hyperplasia is a premalignant lesion for HCC.
D. Chromosomal abnormalities are characteristically seen in HCC.

Explanation: **Explanation:** **1. Why Option A is Correct:** Non-Alcoholic Steatohepatitis (NASH), the inflammatory component of Non-Alcoholic Fatty Liver Disease (NAFLD), is a well-established and rapidly increasing risk factor for **Hepatocellular Carcinoma (HCC)**. Chronic inflammation and oxidative stress in NASH lead to DNA damage and cellular regeneration, which can progress to malignancy even in the absence of established cirrhosis [1], [2]. [3] **2. Why the Other Options are Incorrect:** * **Option B:** Oral Contraceptive Pills (OCPs) are strongly associated with **Hepatic Adenoma**, a benign tumor. They are not a primary risk factor for HCC. * **Option C:** Focal Nodular Hyperplasia (FNH) is a benign, non-neoplastic reactive process characterized by a "central stellate scar." It has **no malignant potential** and is not a precursor to HCC. * **Option D:** While genetic mutations (like *TP53* or *CTNNB1*) occur, HCC is not characterized by specific, diagnostic chromosomal abnormalities in the way certain leukemias or sarcomas are [1]. The pathogenesis is more closely linked to chronic viral infection (HBV/HCV) and metabolic insults. **3. High-Yield Clinical Pearls for NEET-PG:** * **Most common risk factor worldwide:** Hepatitis B Virus (HBV) [1]. * **Most common risk factor in the West/Japan:** Hepatitis C Virus (HCV). * **Tumor Marker:** Alpha-fetoprotein (AFP) is used for screening, though it can be normal in 30% of cases [2]. * **Fibrolamellar Variant:** Occurs in young adults, is not associated with cirrhosis, and has a better prognosis. * **Aflatoxin B1:** A potent carcinogen from *Aspergillus flavus* that causes a specific mutation in the **TP53 gene (codon 249)** [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 876-877. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 399-400. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 389-390.

Question 220: What is the predominant constituent of pale yellow gallstones found in the gallbladder?

A. Mucin glycoprotein
B. Calcium carbonate
C. Cholesterol (Correct Answer)
D. Calcium phosphate

Explanation: **Explanation:** Gallstones (cholelithiasis) are broadly classified into cholesterol stones and pigment stones [1]. **Why Cholesterol is the correct answer:** Cholesterol stones are the most common type of gallstones in Western populations and are increasingly common in India [1]. Pure cholesterol stones are typically **pale yellow**, round to ovoid, and have a finely granular external surface. They form when bile becomes supersaturated with cholesterol (lithogenic bile), exceeding the solubilizing capacity of bile salts and lecithin. While most stones are "mixed" (containing some calcium salts and bilirubin), cholesterol remains the predominant constituent (>50% by weight) in these pale yellow stones [1]. **Why other options are incorrect:** * **Mucin glycoprotein:** This acts as a "scaffold" or "glue" that aids in the nucleation and entrapment of crystals during stone formation, but it is a minor structural component, not the predominant constituent [2]. * **Calcium carbonate & Calcium phosphate:** These are inorganic calcium salts. While they are found in mixed stones and are the primary components of rare "limey bile," they do not form the bulk of the classic pale yellow stones. High calcium content typically makes stones appear whiter and more radiopaque. **NEET-PG High-Yield Pearls:** * **The "4 F’s" Risk Factors:** Fat, Female, Fertile, and Forty [2]. * **Radiology:** Pure cholesterol stones are **radiolucent** (not visible on X-ray); they become radiopaque only if they acquire enough calcium (mixed stones). * **Pigment Stones:** Black pigment stones (associated with chronic hemolysis) and Brown pigment stones (associated with biliary infections/flukes) are primarily composed of **calcium bilirubinate** [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, p. 882. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 403-404.

Practice by Chapter

Jaundice and Cholestasis

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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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