Liver and Biliary Pathology Practice Questions

Q: Spider nevi are due to the action of which hormone?

Estrogen. **Explanation:** **Spider nevi** (also known as spider angiomas) are a classic cutaneous manifestation of hyperestrogenism, most commonly seen in patients with chronic liver disease (cirrhosis). **1. Why Estrogen is the Correct Answer:** In a healthy individual, the liver is responsible for the metabolism and clearance of steroid hormones. In patients with liver failure or cirrhosis, the liver's ability to metabolize **estrogen** is significantly impaired, leading to increased serum levels. Estrogen has a direct **vasodilatory effect** on precapillary sphincters. This results in the characteristic central red arteriole with radiating "legs" (capillaries) seen on the skin, typically in the distribution of the superior vena cava (face, neck, and upper chest). **2. Why Other Options are Incorrect:** * **Androgen:** In liver disease, androgens (like testosterone) are actually decreased or more rapidly converted to estrogen via peripheral aromatization. Low androgen levels contribute to feminization (e.g., loss of chest hair) but do not cause spider nevi. * **Steroids (Glucocorticoids):** Excess glucocorticoids (Cushing’s syndrome) cause skin thinning and purple striae, not spider nevi. * **Progesterone:** While progesterone levels may fluctuate in liver disease, it does not possess the potent vasodilatory properties required to form spider angiomas. **3. NEET-PG High-Yield Pearls:** * **Hyperestrogenism Triad in Cirrhosis:** Spider nevi, Palmar erythema, and Gynecomastia. * **Clinical Test:** Spider nevi exhibit **"pulsatility"**; when the central arteriole is pressed with a glass slide (diascopy) or a pinhead, the entire lesion blanches and refills from the center outward upon release. * **Other causes:** Spider nevi can also be seen in physiological states with high estrogen, such as **pregnancy** or in women taking **Oral Contraceptive Pills (OCPs)**.

Q: Which of the following statements about fibrolamellar hepatocellular carcinoma is FALSE?

It is associated with cirrhosis.. **Explanation:** Fibrolamellar Hepatocellular Carcinoma (FL-HCC) is a distinct variant of hepatocellular carcinoma that differs significantly from the conventional type in its epidemiology and pathogenesis. **1. Why Option A is the Correct Answer (The False Statement):** Unlike conventional HCC, which typically arises in the background of chronic liver disease or cirrhosis (due to HBV, HCV, or alcohol), **FL-HCC occurs in non-cirrhotic livers.** It typically affects young adults (20–40 years) with no gender predilection and no association with viral hepatitis or metabolic syndrome [1]. **2. Analysis of Other Options:** * **Option B:** FL-HCC generally has a **better prognosis** than conventional HCC because it occurs in a healthy liver, allowing for more aggressive surgical resection [1]. However, the rate of **recurrence** remains high even after successful surgery. * **Option C:** A high-yield biochemical marker for FL-HCC is a significant elevation in **serum neurotensin** and **Vitamin B12-binding capacity** (transcobalamin I). Unlike conventional HCC, Serum Alpha-Fetoprotein (AFP) is usually normal [1]. * **Option D:** FL-HCC has a high propensity for **lymph node metastasis**, which is often present at the time of diagnosis. **NEET-PG High-Yield Pearls:** * **Morphology:** Characterized by large, polygonal cells with abundant eosinophilic cytoplasm (oncocytic) and prominent nucleoli, separated by **parallel lamellae of collagen bundles**. * **Molecular Marker:** The most specific genetic finding is a recurrent **DNAJB1-PRKACA gene fusion**. * **Imaging:** Often presents as a large solitary mass with a **central stellate scar** (must be differentiated from Focal Nodular Hyperplasia). **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 399-400.

Q: Which of the following is NOT a tumor marker for primary hepatocellular carcinoma?

Alpha-2 macroglobulin. **Explanation:** The diagnosis of Hepatocellular Carcinoma (HCC) often relies on a combination of imaging and specific serum biomarkers. **Why Alpha-2 macroglobulin is the correct answer:** Alpha-2 macroglobulin is a large plasma glycoprotein produced by the liver that acts as an antiprotease. While its levels may fluctuate in various chronic liver diseases (like cirrhosis or fibrosis), it is **not** a specific tumor marker for HCC. In fact, decreased levels are sometimes noted in advanced liver disease due to impaired synthesis. **Analysis of incorrect options (True HCC markers):** * **Alpha-fetoprotein (AFP):** The most widely used screening and diagnostic marker for HCC [1]. Levels >200 ng/mL in a patient with a liver mass are highly suggestive of HCC [2]. * **PIVKA-2 (Protein Induced by Vitamin K Absence/Antagonist-II):** Also known as Des-gamma-carboxyprothrombin (DCP). It is an abnormal prothrombin molecule produced by malignant hepatocytes. It is highly specific for HCC and often used in conjunction with AFP to increase diagnostic sensitivity. * **Neurotensin:** This is a neuropeptide that is frequently elevated in patients with **Fibrolamellar variant of HCC**, making it a recognized biochemical marker for this specific subtype. **NEET-PG High-Yield Pearls:** * **Fibrolamellar HCC:** Characterized by normal AFP levels, elevated **Neurotensin**, and elevated **Vitamin B12 binding capacity**. * **AFP-L3:** A glycoform of AFP that is more specific for HCC than total AFP; it helps differentiate HCC from benign chronic liver disease. * **Glypican-3:** A cell-surface heparan sulfate proteoglycan that is a highly sensitive immunohistochemical (IHC) marker for HCC. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Liver And Biliary System Disease, pp. 399-400. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Neoplasia, p. 346.

Question 1

Spider nevi are due to the action of which hormone?

Accepted Answer

Estrogen

Answer

Androgen

Answer

Steroids

Answer

Progesterone

Question 2

Reye's syndrome is diagnosed by using which stain?

Accepted Answer

Oil-red-O stain

Answer

Reticulin stain

Answer

PAS stain

Answer

Mustein stain

Question 3

Vanishing bile duct syndrome is seen in which of the following conditions?

Accepted Answer

All of the above

Answer

Primary sclerosing cholangitis

Answer

Primary biliary cirrhosis

Answer

Cystic fibrosis

Question 4

Vanishing bile duct syndrome is seen in which of the following conditions?

Accepted Answer

Sarcoidosis

Answer

Chronic viral hepatitis

Answer

Lymphoma

Answer

Non-cirrhotic portal fibrosis

Question 5

Which of the following does not cause microvesicular steatosis?

Accepted Answer

Alcoholic fatty liver

Answer

Tetracycline toxicity

Answer

Acute fatty liver of pregnancy

Answer

Reyes syndrome

Question 6

Emperioplosis is seen in which of the following conditions?

Accepted Answer

Autoimmune hepatitis

Answer

Alcoholic hepatitis

Answer

Acute hepatitis

Answer

Chronic hepatitis

Question 7

Which of the following statements about fibrolamellar hepatocellular carcinoma is FALSE?

Accepted Answer

It is associated with cirrhosis.

Answer

Recurrences are seen despite a better prognosis.

Answer

There is an increase in neurotensin and vitamin B12 binding factors.

Answer

Lymph node metastasis is seen.

Question 8

Which cells produce collagen in cirrhosis?

Accepted Answer

Perisinusoidal cell (stellate cell)

Answer

Kupffer cell

Answer

Hepatocyte

Answer

Dendritic cell

Question 9

Which of the following is NOT a tumor marker for primary hepatocellular carcinoma?

Accepted Answer

Alpha-2 macroglobulin

Answer

Alpha-fetoprotein

Answer

PIVKA-2

Answer

Neurotensin

Question 10

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

Accepted Answer

Histiocytosis

Answer

Hemochromatosis

Answer

Gaucher's disease

Answer

Wilson's disease

Liver and Biliary Pathology — MCQs

Liver and Biliary Pathology — MCQs

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