Liver and Biliary Pathology — MCQs

Liver and Biliary Pathology Indian Medical PG Practice Questions and MCQs

Question 101: All of the following are prehepatic causes of cirrhosis except?

A. Portal vein thrombosis
B. Splenic vein thrombosis
C. Massive splenomegaly
D. Severe congestive heart failure (Correct Answer)

Explanation: **Explanation** The question asks to identify the option that is **not** a prehepatic cause of portal hypertension leading to cirrhosis-like clinical features. **1. Why Option D is Correct:** **Severe Congestive Heart Failure (CHF)** is a **post-hepatic** cause of portal hypertension [1]. In CHF, right-sided heart failure leads to backup of blood into the inferior vena cava and hepatic veins. This causes chronic passive congestion of the liver (Nutmeg liver). Prolonged congestion leads to centrilobular necrosis and fibrosis, a condition known as **Cardiac Cirrhosis**. Since the pathology originates "after" the liver in the venous outflow tract, it is classified as post-hepatic. **2. Why the other options are incorrect:** * **Portal vein thrombosis (A) and Splenic vein thrombosis (B):** These are classic **pre-hepatic** causes [1]. They occur due to an obstruction in the venous system before it enters the liver parenchyma [2]. The liver itself is initially normal, but the pressure in the portal system rises. * **Massive splenomegaly (C):** This causes pre-hepatic portal hypertension through an "increased flow" mechanism. The massive increase in splenic blood flow overloads the portal venous system, leading to portal hypertension even in the absence of primary liver disease. **High-Yield Clinical Pearls for NEET-PG:** * **Classification of Portal Hypertension:** * **Pre-hepatic:** Portal/Splenic vein thrombosis, Banti’s syndrome [1]. * **Intra-hepatic:** Cirrhosis (most common), Schistosomiasis, Sarcoidosis [1]. * **Post-hepatic:** Budd-Chiari syndrome, IVC obstruction, Constrictive pericarditis, Severe CHF [1]. * **Nutmeg Liver:** Seen in chronic passive congestion (CHF); characterized by red-brown centrilobular areas (congestion) against tan-colored periportal areas (fatty change). * **Cardiac Cirrhosis:** Unlike true cirrhosis, regenerative nodules are often absent; it is primarily a fibrotic process. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 834-835. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 868-869.

Question 102: Rokitansky-Aschoff sinuses are a feature of which of the following conditions?

A. Adenomyomatosis of the gallbladder (Correct Answer)
B. Chronic cholecystitis
C. Acute cholecystitis
D. Carcinoma of the gallbladder

Explanation: **Explanation:** **Rokitansky-Aschoff (R-A) sinuses** are pseudodiverticular outpocketings of the gallbladder mucosa that penetrate through the muscularis propria. 1. **Why Option A is Correct:** **Adenomyomatosis** is a hyperplastic condition characterized by the proliferation of the gallbladder surface epithelium and hypertrophy of the muscularis layer. This process leads to the deep invagination of the mucosa into or through the thickened muscle wall, forming prominent R-A sinuses. When these sinuses become dilated or filled with bile/sludge, they create a characteristic "comet-tail artifact" on ultrasonography, which is a classic diagnostic sign. 2. **Why Other Options are Incorrect:** * **Chronic Cholecystitis (Option B):** While R-A sinuses can occasionally be seen in chronic cholecystitis due to increased intraluminal pressure and chronic inflammation [1], they are the *defining* and most prominent pathological feature of Adenomyomatosis. In the context of NEET-PG, Adenomyomatosis is the primary association. * **Acute Cholecystitis (Option C):** This is characterized by acute neutrophilic infiltration, edema, and hemorrhage [1]; it does not typically involve the structural mucosal herniation seen in R-A sinuses. * **Carcinoma of the Gallbladder (Option D):** This involves malignant epithelial proliferation with basement membrane invasion. While R-A sinuses can sometimes be mistaken for malignancy (as they appear as "glands" deep in the muscle), they are a benign reactive process. **High-Yield Clinical Pearls for NEET-PG:** * **Histology:** R-A sinuses are lined by normal-appearing columnar epithelium, distinguishing them from adenocarcinoma. * **Radiology:** Look for the **"Comet-tail artifact"** or **"V-shaped"** reverberation artifacts on USG, which are pathognomonic for Adenomyomatosis. * **Strawberry Gallbladder:** Do not confuse R-A sinuses with **Cholesterolosis**, where lipid-laden macrophages accumulate in the lamina propria (not the muscle). **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 103: A patient presents with bilirubin 20 mg/dl, AST=313 IU/L, ALT=103 IU/L, and GGT=44 IU/L. What is the most probable diagnosis?

A. Viral hepatitis
B. Alcoholic hepatitis (Correct Answer)
C. Biliary atresia
D. Drug-induced liver injury

Explanation: **Explanation:** The diagnosis of **Alcoholic Hepatitis** is primarily established by analyzing the pattern and ratio of serum transaminases (AST and ALT). **1. Why Alcoholic Hepatitis is correct:** * **AST:ALT Ratio:** In alcoholic liver disease, the AST:ALT ratio is typically **>2:1** [1]. In this case, the ratio is approximately 3:1 (313/103). * **Mechanism:** Alcohol causes a deficiency of **pyridoxal-5'-phosphate (Vitamin B6)**, which is a necessary cofactor for ALT synthesis. Consequently, ALT levels remain relatively low compared to AST. Furthermore, alcohol induces the release of mitochondrial AST. * **Absolute Values:** In alcoholic hepatitis, transaminases are usually elevated but rarely exceed **500 IU/L**. The provided values (313 and 103) fit this classic "moderate elevation" profile. **2. Why other options are incorrect:** * **Viral Hepatitis:** Typically presents with much higher transaminase levels (often >1000 IU/L) and an **AST:ALT ratio <1** (ALT is higher than AST) [1]. * **Biliary Atresia:** This is a neonatal condition presenting with conjugated hyperbilirubinemia and significantly elevated **GGT and Alkaline Phosphatase** due to cholestasis. The GGT here (44 IU/L) is near the normal range. * **Drug-Induced Liver Injury (DILI):** While DILI can mimic various patterns, it most commonly presents with a hepatocellular pattern similar to viral hepatitis (ALT > AST) or a cholestatic pattern. **NEET-PG High-Yield Pearls:** * **AST:ALT >2:1** is highly suggestive of alcohol; **>3:1** is almost diagnostic [1]. * **Mallory-Denk bodies** (cytokeratin intermediate filaments) are the characteristic histological finding in alcoholic hepatitis [2]. * **GGT** is a sensitive marker for alcohol ingestion but lacks specificity [3]; however, a normal GGT (as seen here) is unusual for chronic heavy drinkers, though the transaminase ratio remains the "gold standard" for the exam question. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 850-851. [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 104: Mallory hyaline is composed of which of the following proteins?

A. Vimentin
B. Cytokeratin (Correct Answer)
C. Keratin
D. Collagen

Explanation: **Explanation:** **Mallory hyaline** (also known as Mallory-Denk bodies) are eosinophilic, rope-like intracytoplasmic inclusions found within hepatocytes [1]. They are primarily composed of tangled **intermediate filaments**, specifically **Cytokeratin 8 and 18**, complexed with other proteins like ubiquitin and p62. 1. **Why Cytokeratin is Correct:** Hepatocytes are epithelial cells, and their structural framework is maintained by cytokeratin intermediate filaments. Under conditions of oxidative stress or toxic injury (most classically in alcoholic liver disease), these filaments undergo misfolding, cross-linking, and aggregation, forming the characteristic "hyaline" appearance [1]. 2. **Why other options are incorrect:** * **Vimentin:** This is the intermediate filament characteristic of mesenchymal cells (e.g., fibroblasts, endothelium), not epithelial hepatocytes. * **Keratin:** While cytokeratin is a type of keratin, in medical pathology, "Keratin" usually refers to the specific filaments found in squamous epithelium (e.g., skin). Cytokeratin is the more precise term for internal epithelial organs. * **Collagen:** This is an extracellular matrix protein involved in fibrosis (cirrhosis), not an intracellular inclusion [1]. **High-Yield Clinical Pearls for NEET-PG:** * **Classic Association:** Most commonly associated with **Alcoholic Hepatitis** [1]. * **Other Associations (Mnemonic: "W-I-L-S-O-N"):** **W**ilson’s disease, **I**ndian Childhood Cirvis, **L**iver cell adenoma, **S**teatohepatitis (NASH), **O**bstructive biliary cirrhosis (Primary Biliary Cholangitis), and **N**eoplasms (Hepatocellular Carcinoma) [1]. * **Staining:** They appear bright pink on H&E stain and can be highlighted using **ubiquitin** immunohistochemical stains. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 388-390.

Question 105: Which of the following statements regarding hepatocellular carcinoma is incorrect?

A. Hepatitis C virus is a risk factor.
B. Oral contraceptive pills can increase the risk.
C. Focal nodular hyperplasia is the most malignant variant. (Correct Answer)
D. Chromosomal abnormalities are common.

Explanation: ### Explanation **1. Why Option C is the Correct (Incorrect Statement):** **Focal Nodular Hyperplasia (FNH)** is not a variant of hepatocellular carcinoma (HCC); it is a **benign, non-neoplastic** reactive process of the liver. It typically presents as a well-demarcated, unencapsulated mass characterized by a pathognomonic **central stellate scar**. It has no malignant potential. The most common malignant variant of HCC is the conventional type, while the **Fibrolamellar variant** is a distinct subtype seen in younger patients with a better prognosis. **2. Analysis of Other Options:** * **Option A (Hepatitis C):** Correct statement. Chronic HCV infection is a major risk factor for HCC, especially when it progresses to cirrhosis [1], [2]. The risk is significantly higher in patients with high viral loads and advanced fibrosis. * **Option B (Oral Contraceptive Pills):** Correct statement. While OCPs are most strongly linked to **Hepatic Adenoma** [4], long-term use has been epidemiologically associated with a slightly increased risk of HCC, particularly in the absence of underlying cirrhosis. * **Option D (Chromosomal Abnormalities):** Correct statement. HCC is genetically complex [2]. Common alterations include mutations in the **TP53** gene (especially with Aflatoxin B1 exposure) [1], **CTNNB1** (β-catenin), and amplification of **MET** or **MYC**. [5] **3. NEET-PG High-Yield Pearls:** * **Tumor Marker:** Alpha-fetoprotein (AFP) is the most common marker (levels >400 ng/mL are highly suggestive) [3]. * **Aflatoxin B1:** Produced by *Aspergillus flavus*; causes a specific mutation in **codon 249 of the TP53 gene** [1]. * **Radiology:** HCC shows "arterial enhancement" with "venous washout" on Triphasic CT. * **Fibrolamellar Variant:** Occurs in young adults (20–40s), no association with cirrhosis or HBV/HCV, normal AFP, and characterized by "onocytic" hepatocytes separated by parallel lamellae of collagen. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 876-877. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Neoplasia, pp. 336-337. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 399-400. [4] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, p. 874. [5] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 874-875.

Question 106: Non-alcoholic steatohepatitis is caused by which of the following?

A. Diabetes Mellitus
B. Obesity
C. Wilson's disease (Correct Answer)
D. Triglyceridemia

Explanation: **Explanation:** **Non-alcoholic steatohepatitis (NASH)** is a clinicopathological entity characterized by hepatic steatosis, inflammation, and hepatocyte injury (ballooning) in patients who consume little to no alcohol. **Why Wilson’s Disease is the correct answer:** While NASH is most commonly associated with metabolic syndrome, it is important to recognize that it can be a **histological manifestation** of several specific metabolic disorders. In **Wilson’s disease**, the accumulation of copper leads to oxidative stress, which can manifest early on as macrovesicular steatosis and steatohepatitis, mimicking the histological features of NASH [1][2]. In the context of this specific question (likely based on standard textbook classifications like Robbins), Wilson’s disease is listed as a recognized secondary cause of the NASH pattern. **Analysis of Incorrect Options:** * **A, B, and D (Diabetes, Obesity, Triglyceridemia):** These are the primary components of **Metabolic Syndrome**. While they are the most common *risk factors* for Non-Alcoholic Fatty Liver Disease (NAFLD), they are generally considered the "primary" causes. In many competitive exams, when "NASH" is asked as being "caused by" a specific disease entity, examiners are looking for secondary triggers or metabolic mimics like Wilson's [1] or certain drugs (e.g., Amiodarone). **High-Yield Clinical Pearls for NEET-PG:** * **Histology:** Look for "Mallory-Denk bodies" (ubiquitinated intermediate filaments) and "Chicken-wire fibrosis" (perisinusoidal/pericellular fibrosis). * **The "Two-Hit" Hypothesis:** 1st hit is insulin resistance (steatosis); 2nd hit is oxidative stress (steatohepatitis). * **Wilson’s Disease Screening:** Always suspect Wilson’s in a young patient presenting with unexplained steatosis or cirrhosis; check for Kayser-Fleischer rings and low serum ceruloplasmin [1][2]. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 394-395. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 855-856.

Question 107: All of the following are risk factors for Hepatocellular carcinoma except?

A. Hepatitis C infection
B. Alcoholism
C. Aflatoxins
D. Animal fat in diet (Correct Answer)

Explanation: Hepatocellular carcinoma (HCC) is the most common primary malignancy of the liver, typically arising in the setting of chronic liver injury and cirrhosis. [1] **Explanation of the Correct Answer:** **Option D (Animal fat in diet)** is the correct answer because dietary fat intake is not a direct, established independent risk factor for HCC. While a high-fat diet can contribute to Non-Alcoholic Fatty Liver Disease (NAFLD) and metabolic syndrome—which may eventually progress to Non-Alcoholic Steatohepatitis (NASH) and cirrhosis—the fat itself is not considered a primary carcinogen in the same category as viral or chemical triggers. **Analysis of Incorrect Options:** * **Hepatitis C Infection (A):** Chronic HCV is a major risk factor. It causes continuous hepatocyte inflammation and regeneration, leading to cirrhosis, which is the precursor in most HCV-related HCC cases. [1], [2] * **Alcoholism (B):** Chronic alcohol consumption leads to alcoholic steatohepatitis and cirrhosis. Acetaldehyde (a metabolite of alcohol) also causes DNA damage, promoting oncogenesis. [1] * **Aflatoxins (C):** Produced by *Aspergillus flavus* (found in contaminated grains/peanuts), Aflatoxin B1 is a potent hepatocarcinogen. [1], [2] It causes a specific mutation in the **p53 tumor suppressor gene** (codon 249 mutation), a high-yield fact for exams. **High-Yield Clinical Pearls for NEET-PG:** * **Most common cause worldwide:** Hepatitis B Virus (HBV). Notably, HBV can cause HCC even in the **absence of cirrhosis** due to DNA integration. [1] * **Tumor Marker:** Alpha-fetoprotein (AFP) is used for screening and monitoring. * **Genetic Mutation:** Loss of function in **TP53** and activation of **β-catenin** are common molecular pathways. [1] * **Metastasis:** HCC has a strong propensity for **hematogenous spread**, particularly invading the portal and hepatic veins. [3] **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. (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. 215-216. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 878-879.

Question 108: Venoocclusive disease of the hepatic vein is characterized by which of the following?

A. Central venous congestion
B. Hepatomegaly
C. Portal vein obstruction
D. Budd-Chiari syndrome (Correct Answer)

Explanation: ### Explanation **1. Why the Correct Answer is Right:** **Budd-Chiari Syndrome (BCS)** is defined as the obstruction of hepatic venous outflow at any level from the small hepatic veins to the junction of the inferior vena cava (IVC) with the right atrium [1]. The core pathology involves thrombosis or occlusion of the major hepatic veins, leading to increased intrahepatic pressure, centrilobular congestion, and necrosis [1]. Clinically, it presents with the classic triad of **abdominal pain, ascites, and hepatomegaly.** **2. Analysis of Incorrect Options:** * **A. Central venous congestion:** While this is a *histological feature* seen in Budd-Chiari syndrome (and right-sided heart failure), it is a consequence of the disease rather than the defining clinical entity [1]. In the context of this question, "Venoocclusive disease" (specifically of the major veins) is the synonym/subset of the BCS spectrum. * **B. Hepatomegaly:** This is a clinical *sign* of hepatic vein obstruction, not the disease itself. It occurs due to the backup of blood within the liver parenchyma [2]. * **C. Portal vein obstruction:** This involves the inflow to the liver, not the outflow [3]. Portal vein thrombosis leads to non-cirrhotic portal hypertension but does not typically cause the centrilobular necrosis characteristic of hepatic vein occlusion [3]. **3. High-Yield Clinical Pearls for NEET-PG:** * **Sinusoidal Obstruction Syndrome (SOS):** Formerly called "Veno-occlusive disease" (VOD), this specifically involves the **terminal hepatic venules** (microscopic) and is commonly associated with **bone marrow transplantation** or ingestion of **Pyrrolizidine alkaloids** (Bush tea). * **Nutmeg Liver:** Chronic passive congestion (often from BCS or Right Heart Failure) gives the liver a mottled appearance resembling a nutmeg [2]. * **Imaging Gold Standard:** Doppler Ultrasound is the initial test; "Spider-web" collateral vessels are a characteristic finding on angiography. * **Association:** Polycythemia vera is the most common primary myeloproliferative neoplasm associated with Budd-Chiari syndrome. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 869-870. [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. 868-869.

Question 109: Which of the following statements regarding Fibrolamellar Carcinoma of the liver is FALSE?

A. It is a variant of Hepatocellular carcinoma.
B. AFP levels are typically normal.
C. It commonly occurs in young adults.
D. It is associated with a worse prognosis compared to conventional Hepatocellular carcinoma. (Correct Answer)

Explanation: Fibrolamellar Carcinoma (FLC) is a distinct clinicopathological variant of Hepatocellular Carcinoma (HCC). The correct answer is **D** because FLC is actually associated with a **better prognosis** than conventional HCC. This is primarily because it typically arises in non-cirrhotic livers, allowing for more aggressive surgical resection [1]. **Analysis of Options:** * **Option A (True):** FLC is a rare morphological variant of HCC characterized by large, polygonal cells with abundant eosinophilic cytoplasm and prominent nucleoli, separated by parallel (lamellar) bundles of collagen fibers. * **Option B (True):** Unlike conventional HCC, which is often associated with elevated Alpha-Fetoprotein (AFP) [1], AFP levels in FLC are **typically normal**. This is a high-yield diagnostic differentiator. * **Option C (True):** FLC has a unique demographic profile; it occurs in **young adults** (usually between ages 20–40) and lacks the typical risk factors like Hepatitis B/C or cirrhosis. **High-Yield Clinical Pearls for NEET-PG:** * **Gross Appearance:** Often presents as a single, large, hard "scirrhous" mass with a **central stellate scar** (mimicking Focal Nodular Hyperplasia). * **Microscopy:** Look for "Oncocyte-like" cells and dense collagen arranged in lamellae. * **Molecular Marker:** A highly specific genetic feature is the **DNAJB1-PRKACA fusion gene** (resulting from a deletion on chromosome 19). * **Prognosis:** Better survival rates (approx. 50-70% 5-year survival) compared to conventional HCC, mainly due to the absence of underlying liver disease [1]. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 399-400.

Question 110: What is the main cause of congenital hyperbilirubinemia?

A. Crigler-Najjar Syndrome
B. Rotor's Syndrome
C. Dubin-Johnson Syndrome
D. Gilbert's Syndrome (Correct Answer)

Explanation: **Explanation:** **Gilbert’s Syndrome** is the correct answer because it is the **most common** cause of hereditary hyperbilirubinemia, affecting approximately 3–7% of the general population. It is an autosomal recessive condition characterized by a mild reduction (about 30% of normal) in the activity of the enzyme **UDP-glucuronosyltransferase (UGT1A1)** [1]. This leads to intermittent, mild unconjugated hyperbilirubinemia, often triggered by stress, fasting, or illness. **Analysis of Incorrect Options:** * **Crigler-Najjar Syndrome:** This is much rarer than Gilbert’s. Type I involves a total absence of UGT1A1 (fatal without transplant), while Type II involves a severe deficiency (<10% activity) [1]. * **Dubin-Johnson Syndrome:** A rare autosomal recessive disorder involving a defect in the **MRP2 transport protein**, leading to conjugated hyperbilirubinemia and a characteristic **black liver** due to pigment deposition [1]. * **Rotor’s Syndrome:** Similar to Dubin-Johnson but even rarer; it involves a defect in OATP1B1/B3 transporters. It presents with conjugated hyperbilirubinemia but **lacks** the black liver pigmentation [1]. **NEET-PG High-Yield Pearls:** * **Gilbert’s Syndrome:** Look for a young patient with mild jaundice during exams or infection, with normal LFTs except for isolated unconjugated bilirubin (<3 mg/dL). No treatment is required. * **Enzyme Deficiency:** Gilbert’s and Crigler-Najjar involve **UGT1A1** (Unconjugated); Dubin-Johnson and Rotor involve **excretion defects** (Conjugated) [1]. * **Diagnostic Test:** The "Fasting Test" (bilirubin increases upon caloric restriction) is classic for Gilbert’s. * **Biopsy:** Dubin-Johnson shows coarse brown-black granules in hepatocytes (epinephrine metabolites); Rotor’s biopsy is histologically normal [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, p. 860.

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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