Liver and Biliary Pathology — MCQs

Liver and Biliary Pathology Indian Medical PG Practice Questions and MCQs

Question 321: "Onion-skin" fibrosis of bile duct is seen in?

A. Primary biliary cirrhosis
B. Primary sclerosing cholangitis (Correct Answer)
C. Extrahepatic biliary fibrosis
D. Congenital hepatic fibrosis

Explanation: **Explanation:** **Primary Sclerosing Cholangitis (PSC)** is the correct answer. The hallmark histopathological feature of PSC is **periductal "onion-skin" fibrosis** [1], [2]. This occurs due to chronic inflammation and concentric scarring around the medium and large-sized intrahepatic and extrahepatic bile ducts [1]. Over time, this progressive fibrosis leads to the obliteration of the duct lumen, a process known as **vanishing bile duct syndrome**, which gives a characteristic "beaded" appearance on cholangiography (MRCP/ERCP) [1]. **Analysis of Incorrect Options:** * **Primary Biliary Cirrhosis (PBC):** Characterized by the **"Florid duct lesion"** (granulomatous destruction of small intrahepatic bile ducts). It does not show concentric onion-skin fibrosis. * **Extrahepatic Biliary Obstruction:** Typically presents with bile stasis, bile lakes, and portal tract edema, but not the specific concentric periductal fibrosis seen in PSC. * **Congenital Hepatic Fibrosis:** Part of the fibrocystic liver disease spectrum (associated with ARPKD). It features diffuse periportal fibrosis and abnormally shaped bile ducts (ductal plate malformations) rather than periductal scarring. **High-Yield Clinical Pearls for NEET-PG:** * **Association:** Strong association with **Ulcerative Colitis** (approx. 70% of PSC patients have UC) [1], [2]. * **Markers:** p-ANCA is often positive (though not specific). * **Imaging:** "Beads on a string" appearance on MRCP/ERCP [1]. * **Risk:** Significantly increased risk of **Cholangiocarcinoma**. * **Epidemiology:** More common in males (unlike PBC, which is more common in females) [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 864-866. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 393-394.

Question 322: Abnormalities in the synthetic function of the liver result in which of the following?

A. Prothrombin time (PT) (Correct Answer)
B. Hyperbilirubinemia
C. Decreased acute phase reactants
D. Disturbance in Kupffer cells

Explanation: ### Explanation **Correct Option: A. Prothrombin time (PT)** The liver is the primary site for the synthesis of almost all coagulation factors [1] (except Factor VIII and von Willebrand factor). **Prothrombin time (PT)** measures the extrinsic and common pathways (Factors I, II, V, VII, and X) [4]. Because these factors have relatively short half-lives (especially Factor VII, which is ~6 hours), PT is the most sensitive and earliest laboratory marker of impaired **synthetic function** in acute liver injury [3]. Serum albumin is also a marker of synthesis but is more useful in chronic liver disease due to its longer half-life (approx. 20 days) [2]. **Why the other options are incorrect:** * **B. Hyperbilirubinemia:** This reflects the liver's **excretory and metabolic function** (conjugation and transport), not its synthetic capacity [2]. It can also occur due to hemolysis or biliary obstruction. * **C. Decreased acute phase reactants:** While the liver synthesizes acute phase reactants (like CRP and Fibrinogen), their levels typically **increase** during inflammation or injury. A decrease is not a specific diagnostic hallmark used to assess liver synthetic function in clinical practice. * **D. Disturbance in Kupffer cells:** Kupffer cells are specialized macrophages residing in the hepatic sinusoids. Their dysfunction relates to the liver's **immunological/phagocytic function**, not its ability to synthesize proteins or clotting factors. **High-Yield Clinical Pearls for NEET-PG:** * **Best marker for acute liver failure:** Prothrombin Time (PT) / INR. * **Best marker for chronic liver synthetic function:** Serum Albumin. * **Factor VII:** Has the shortest half-life among clotting factors; hence, its deficiency affects PT first [4]. * **Vitamin K Test:** To differentiate between obstructive jaundice and parenchymal liver disease, Vitamin K is administered [4]. If PT improves, the cause is likely obstructive (malabsorption of fat-soluble Vit K); if it doesn't, the cause is hepatic synthetic failure. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 582-583. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 383-384. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 387-388. [4] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 624-625.

Question 323: All of the following are true about fibrolamellar carcinoma of the liver except?

A. More common in females
B. Better prognosis than hepatocellular carcinoma
C. Alpha-fetoprotein (AFP) levels are always greater than 1000 (Correct Answer)
D. Occurs in younger individuals

Explanation: ### Explanation Fibrolamellar Carcinoma (FLC) is a distinct variant of hepatocellular carcinoma (HCC) that differs significantly from the conventional type in terms of demographics, clinical presentation, and prognosis. **Why Option C is the correct answer (False statement):** Unlike conventional HCC, **Alpha-fetoprotein (AFP) levels are typically normal** in patients with fibrolamellar carcinoma [1]. A high AFP level (>1000 ng/mL) is a hallmark of classic HCC, especially when associated with cirrhosis or Hepatitis B/C [1]. In FLC, the absence of this biomarker is a key diagnostic clue. **Analysis of other options:** * **Option A (More common in females):** While some studies suggest an equal gender distribution, traditional teaching and several series indicate a slight female preponderance, unlike conventional HCC which is significantly more common in males. * **Option B (Better prognosis):** FLC generally has a better prognosis than conventional HCC. This is largely because it typically arises in a **non-cirrhotic liver** [1], allowing for better surgical resectability and tolerance to treatment. * **Option D (Occurs in younger individuals):** FLC characteristically affects adolescents and young adults (usually between ages 20–40), whereas conventional HCC typically occurs in older patients with underlying chronic liver disease. **High-Yield Clinical Pearls for NEET-PG:** * **Morphology:** Characterized by large, polygonal cells with abundant eosinophilic cytoplasm (oncocytic) and prominent nucleoli, separated by **parallel lamellae of collagen bundles**. * **Radiology:** Often presents as a large solitary mass with a **central stellate scar** (must be differentiated from Focal Nodular Hyperplasia). * **Genetics:** A highly specific genetic marker is the **DNAJB1-PRKACA gene fusion**. * **Risk Factors:** It is **NOT** associated with HBV, HCV, or cirrhosis [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 324: Which of the following is a risk factor for cholangiocarcinoma?

A. Obesity
B. Opisthorchis sinensis infection (Correct Answer)
C. Salmonella carrier state
D. HBV infection

Explanation: **Explanation:** Cholangiocarcinoma is a malignancy arising from the epithelial lining of the intrahepatic or extrahepatic biliary tree. **Why Option B is Correct:** Chronic inflammation and biliary stasis are the primary drivers of cholangiocarcinoma. **Liver flukes**, specifically ***Opisthorchis sinensis*** (Chinese liver fluke) and ***Clonorchis sinensis***, are major risk factors. These parasites reside in the bile ducts, causing chronic mechanical irritation and releasing metabolic byproducts that induce DNA damage and hyperplasia of the biliary epithelium, eventually leading to malignant transformation. **Analysis of Incorrect Options:** * **A. Obesity:** While obesity is a significant risk factor for Non-Alcoholic Fatty Liver Disease (NAFLD) and **Hepatocellular Carcinoma (HCC)**, it is not a primary established risk factor for cholangiocarcinoma. * **C. Salmonella carrier state:** Chronic *Salmonella typhi* carriage in the gallbladder is strongly associated with **Gallbladder Carcinoma**, not typically cholangiocarcinoma. * **D. HBV infection:** Hepatitis B and C viruses are the leading causes of cirrhosis and **HCC** [3]. While some studies suggest a minor link to intrahepatic cholangiocarcinoma, they are overwhelmingly associated with hepatocytes rather than the biliary epithelium. **High-Yield Facts for NEET-PG:** * **Primary Sclerosing Cholangitis (PSC):** The most common risk factor for cholangiocarcinoma in Western countries [2]. * **Congenital Anomalies:** Choledochal cysts (Caroli disease) increase risk due to bile stasis. * **Thorotrast:** A historical radiocontrast agent strongly linked to both cholangiocarcinoma and hepatic angiosarcoma. * **Tumor Marker:** **CA 19-9** is often elevated in cholangiocarcinoma. * **Morphology:** Most are well-differentiated **adenocarcinomas** producing abundant mucin [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 880-881. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 865-866. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 876-877.

Question 325: Mallory's hyaline is seen in which of the following conditions?

A. Hepatitis C infection
B. Amoebic liver abscess
C. Indian childhood cirrhosis (Correct Answer)
D. Autoimmune hepatitis

Explanation: **Explanation:** **Mallory-Denk bodies (Mallory’s hyaline)** are eosinophilic, rope-like intracytoplasmic inclusions found within hepatocytes [1]. They are composed of tangled intermediate filaments (specifically **Cytokeratin 8 and 18**) ubiquitinated and complexed with heat shock proteins (p62) [2]. **Why Option C is correct:** **Indian Childhood Cirrhosis (ICC)** is characterized by massive deposition of copper in the liver and an abundance of Mallory’s hyaline. In fact, ICC is known for having some of the most prominent and numerous Mallory bodies among all liver pathologies, often accompanied by "creeping" fibrosis. **Why the other options are incorrect:** * **Hepatitis C:** Characteristically shows lymphoid follicles in portal tracts and microvesicular steatosis, but Mallory bodies are not a typical feature [1]. * **Amoebic Liver Abscess:** This is a necrotic lesion ("anchovy sauce" pus) caused by *Entamoeba histolytica*. It involves liquefactive necrosis, not intracellular hyaline accumulation. * **Autoimmune Hepatitis:** Typically presents with "interface hepatitis" (plasma cell-rich infiltrates at the limiting plate) and hepatocyte rosettes, but not Mallory hyaline [1]. **High-Yield Clinical Pearls for NEET-PG:** * **Mnemonic for Mallory Bodies (M-A-L-L-O-R-Y):** * **M** - Morbid Obesity (NASH) [2] * **A** - Alcoholic Hepatitis (Most common association) [1] * **L** - Liver Cell Carcinoma (HCC) * **L** - (Indian) Liver Cirrhosis (ICC) * **O** - Other: Wilson’s Disease, Primary Biliary Cholangitis (PBC) * **R** - Resection/Bypass (Jejunoileal bypass) * **Y** - Yardsticks: Alpha-1 Antitrypsin deficiency (rarely) [1] * **Stain:** Mallory bodies are highlighted by **Ubiquitin** immunohistochemical stains. * **Composition:** Pre-keratin intermediate filaments (Cytokeratin 8/18) [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. 852-854.

Question 326: Which of the following is NOT a metabolic cause of liver disease?

A. Histiocytosis (Correct Answer)
B. Hemochromatosis
C. Gaucher's disease
D. Wilson's disease

Explanation: ### Explanation The correct answer is **A. Histiocytosis**. **1. Why Histiocytosis is the correct answer:** Histiocytosis (specifically Langerhans Cell Histiocytosis) is an **infiltrative/neoplastic** disorder, not a primary metabolic one. It is characterized by the abnormal proliferation of Langerhans cells. While it can involve the liver, it typically causes damage through infiltration of the portal tracts or by inducing sclerosing cholangitis-like changes in the biliary tree [2], rather than through a primary defect in cellular metabolism. **2. Analysis of Incorrect Options (Metabolic Causes):** * **Hemochromatosis (B):** A metabolic disorder of **iron metabolism** (HFE gene mutation) leading to excessive iron deposition in hepatocytes, resulting in micronodular cirrhosis and increased risk of HCC [1]. * **Gaucher’s disease (C):** A **lysosomal storage disorder** caused by a deficiency of glucocerebrosidase. It leads to the accumulation of glucosylceramide in the mononuclear phagocyte system, causing massive hepatosplenomegaly. * **Wilson’s disease (D):** A metabolic disorder of **copper metabolism** (ATP7B mutation) resulting in impaired biliary copper excretion and toxic accumulation in the liver, brain, and cornea [1], [3]. **3. NEET-PG High-Yield Pearls:** * **Gaucher’s Disease:** Look for "Crumpled tissue paper" appearance of the cytoplasm in macrophages (Gaucher cells). * **Wilson’s Disease:** Characterized by low serum ceruloplasmin, Kayser-Fleischer (KF) rings, and increased urinary copper [1], [3]. * **Hemochromatosis:** Prussian Blue stain is used to visualize iron (hemosiderin). The classic triad is "Bronze diabetes" (pigmentation, diabetes, and cirrhosis). * **Alpha-1 Antitrypsin Deficiency:** Another high-yield metabolic cause; look for PAS-positive, diastase-resistant globules in hepatocytes. **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] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 393-394. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 855-856.

Question 327: Peripoal fibrosis is caused by which of the following agents?

A. Methotrexate (Correct Answer)
B. Phenytoin
C. Thorotrast
D. Halothane

Explanation: **Explanation:** **Methotrexate (MTX)** is a well-known hepatotoxin used in the treatment of psoriasis, rheumatoid arthritis, and malignancies. Its primary pattern of liver injury is **periportal (Zone 1) fibrosis**, which can insidiously progress to cirrhosis without a significant rise in serum transaminases [1]. The mechanism involves the accumulation of MTX-polyglutamates in hepatocytes, leading to stellate cell activation and collagen deposition specifically in the portal and periportal areas. **Analysis of Incorrect Options:** * **Phenytoin:** Typically causes an idiosyncratic hypersensitivity reaction [1]. The liver pathology usually shows **granulomatous hepatitis** or massive hepatic necrosis (DRESS syndrome), rather than isolated periportal fibrosis. * **Thorotrast:** This is a radioactive contrast medium (Thorium dioxide) formerly used in radiology. It is highly oncogenic and is classically associated with **Angiosarcoma of the liver**, Cholangiocarcinoma, and Hepatocellular carcinoma, rather than simple fibrosis. * **Halothane:** This anesthetic agent causes **"Halothane Hepatitis,"** characterized by massive **centrilobular (Zone 3) necrosis** [1]. This is an immune-mediated reaction triggered by trifluoroacetylated liver proteins. **High-Yield Clinical Pearls for NEET-PG:** * **Zone 1 (Periportal) Injury:** Methotrexate, Phosphorus, Cocaine, and Eclampsia. * **Zone 3 (Centrilobular) Injury:** Paracetamol (Acetaminophen) toxicity, Halothane, Carbon tetrachloride ($CCl_4$), and Ischemic injury ("Shock liver"). * **Monitoring MTX:** Because fibrosis can occur despite normal LFTs, patients on long-term Methotrexate may require a **FibroScan** or liver biopsy to monitor for structural damage. * **Thorotrast** is the most common cause of hepatic angiosarcoma mentioned in exams, followed by Vinyl Chloride monomer and Arsenic. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, pp. 846-848.

Question 328: Which of the following are features of alcoholic liver disease?

A. Fatty changes
B. Pericellular fibrosis
C. Mallory bodies
D. All of the above (Correct Answer)

Explanation: Alcoholic liver disease (ALD) encompasses a spectrum of morphological changes that occur due to chronic ethanol consumption. The pathology typically progresses through three overlapping stages [1]: 1. **Fatty Change (Steatosis):** This is the earliest and most common manifestation. Ethanol metabolism increases the NADH/NAD+ ratio, favoring lipid synthesis. Macroscopically, the liver becomes large, yellow, and greasy [2]. Microscopically, **macrovesicular steatosis** (large lipid droplets displacing the nucleus) is seen [2], initially in the centrilobular area (Zone 3). 2. **Alcoholic Hepatitis:** This stage is characterized by hepatocyte swelling (ballooning degeneration) and necrosis. A hallmark finding is **Mallory-Denk bodies**, which are eosinophilic intracytoplasmic inclusions composed of tangled intermediate filaments (cytokeratins 8 and 18) [1]. Neutrophilic infiltration is also prominent. 3. **Fibrosis and Cirrhosis:** Chronic inflammation triggers stellate cell activation. A characteristic pattern in ALD is **pericellular/perisinusoidal fibrosis**, often described as a **"chicken-wire" pattern**, starting in Zone 3 [2]. Over time, this progresses to micronodular cirrhosis (Laennec’s cirrhosis) [3]. **Why "All of the above" is correct:** Since fatty change (A), pericellular fibrosis (B), and Mallory bodies (C) are all classic histological features representing different stages and aspects of alcoholic liver injury, option D is the correct choice [1]. **High-Yield Clinical Pearls for NEET-PG:** * **AST:ALT Ratio:** In ALD, the ratio is typically **>2:1** (Alcoholic **S**tatistics **T**opping). * **Mallory Bodies:** While classic for ALD, they are *not* pathognomonic; they can also be seen in Wilson’s disease, Primary Biliary Cholangitis, and NASH [1]. * **First sign of fibrosis:** Perivenular/pericellular fibrosis in Zone 3 [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, p. 850.

Question 329: Which of the following pigments accumulates in the liver in Dubin-Johnson syndrome?

A. Monoglucuronate bilirubin
B. Epinephrine metabolite (Correct Answer)
C. Bilirubin pigment
D. Melanotic pigment

Explanation: **Explanation:** **Dubin-Johnson Syndrome (DJS)** is an autosomal recessive disorder characterized by a mutation in the **ABCC2 gene**, which encodes the **MRP2 (Multidrug Resistance-associated Protein 2)** transporter [1]. This protein is responsible for the ATP-dependent transport of conjugated bilirubin and other organic anions from hepatocytes into the bile canaliculi. **Why the correct answer is right:** In DJS, the defective MRP2 transporter leads to the accumulation of metabolic byproducts. The characteristic **grossly black/dark brown liver** is due to the accumulation of a coarse, granular pigment within the lysosomes of hepatocytes [1]. Histochemical and electron microscopic studies have confirmed that this pigment is **not** bilirubin, but rather a **melanin-like pigment** derived from the polymerization of **epinephrine metabolites** (specifically oxidation products of catecholamines) that fail to be excreted. **Why the incorrect options are wrong:** * **A & C (Bilirubin pigments):** While DJS results in conjugated hyperbilirubinemia, the diagnostic pigment seen on liver biopsy is not bilirubin itself. Bilirubin is water-soluble in its conjugated form and does not typically form the dense, dark lysosomal granules seen in DJS. * **D (Melanotic pigment):** While often described as "melanin-like," it is not true melanin (which is produced by melanocytes). Calling it "melanotic" is a descriptive misnomer; the biochemical origin is specifically catecholamine metabolites. **High-Yield Clinical Pearls for NEET-PG:** * **Gross Appearance:** "Black Liver" is a classic buzzword for Dubin-Johnson [1]. * **Rotor Syndrome:** Often confused with DJS, but the liver is **not pigmented** (normal color), and the defect lies in OATP1B1/B3 transporters [1]. * **Urinary Coproporphyrin:** In DJS, total urinary coproporphyrin levels are normal, but **>80% is Coproporphyrin I** (in normal individuals, Coproporphyrin III predominates). * **Oral Cholecystography:** The gallbladder is typically **not visualized** in DJS due to the inability to excrete the radiopaque dye. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Liver and Gallbladder, p. 860.

Question 330: What is true about Hepatocellular Carcinoma?

A. Most prevalent malignancy worldwide
B. Commonest primary liver tumor
C. Hepatitis B virus infection predisposes to its development (Correct Answer)
D. Patients typically present in the early stage

Explanation: ### Explanation **Correct Answer: C. Hepatitis B virus infection predisposes to its development** Hepatocellular Carcinoma (HCC) is strongly associated with chronic viral hepatitis. **Hepatitis B Virus (HBV)** is a major risk factor worldwide [1]. Unlike Hepatitis C, which usually requires the development of cirrhosis first, HBV can cause HCC even in the **absence of cirrhosis** due to its ability to integrate its DNA into the host genome, leading to genomic instability and activation of oncogenes (like the *HBx* protein) [2]. **Analysis of Incorrect Options:** * **A. Most prevalent malignancy worldwide:** This is incorrect. While HCC is a leading cause of cancer-related death, the most prevalent/common cancers globally are **Breast, Lung, and Colorectal cancers**. However, in some specific endemic countries, HCC is the most common tumor [3]. * **B. Commonest primary liver tumor:** This is a tricky distractor. While HCC is the most common **primary malignant** tumor of the liver, the most common **primary tumor overall** (including benign) is **Cavernous Hemangioma**. Furthermore, the most common tumor found in the liver is **Metastatic carcinoma** (secondary), not primary. * **D. Patients typically present in the early stage:** Incorrect. HCC is often "clinically silent" until advanced stages [4]. Most patients present with late-stage symptoms like upper abdominal pain, weight loss, and jaundice, leading to a poor prognosis. **High-Yield Clinical Pearls for NEET-PG:** * **Tumor Marker:** **Alpha-fetoprotein (AFP)** is the most common marker (levels >200 ng/mL are highly suggestive) [4]. * **Fibrolamellar Variant:** Occurs in young adults (20-40s), is **not** associated with HBV/Cirrhosis, and has a better prognosis. * **Microscopy:** Look for **"Bile plugs"** in the canaliculi and **"Mallory bodies"** within the tumor cells. * **Aflatoxin B1:** Produced by *Aspergillus flavus*, it causes a specific mutation in the **TP53 gene (codon 249)**, predisposing to HCC [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] 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. (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. [4] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 399-400.

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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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