**Question:** Centrilobular necrosis of liver may be seen with

A. Hepatitis
B. Viral infections
C. Alcohol abuse
D. Drug toxicity

**Core Concept:** Centrilobular necrosis is a type of liver cell damage that occurs in the liver's central parts (lobules). This type of necrosis can be caused by various factors and is an important consideration in understanding liver pathophysiology.

**Why the Correct Answer is Right:**
Option D, Drug toxicity, is the correct answer because centrilobular necrosis can be a result of hepatotoxicity, a toxic effect on the liver caused by various medications. Drug-induced liver injury can lead to centrilobular necrosis as it affects the liver cells in the central parts of the lobule.

**Why Each Wrong Option is Incorrect:**
A. Hepatitis: Hepatitis refers to inflammation of the liver, not necrosis. Hepatitis can lead to liver cirrhosis or other forms of liver damage, but centrilobular necrosis is not a typical finding in hepatitis.
B. Viral infections: While viral infections can cause liver damage, centrilobular necrosis is not the primary mode of liver cell injury seen in viral hepatitis. Hepatitis A, B, C, and E viruses can cause hepatitis, but the specific necrosis pattern may vary.
C. Alcohol abuse: Alcohol-induced liver disease can lead to liver cell damage, but the necrosis pattern in alcoholic liver disease is more diffuse, involving the entire liver lobule and not just the central parts. Alcohol abuse can cause fatty liver, hepatitis, and cirrhosis, but centrilobular necrosis is not a typical finding in alcoholic liver disease.

**Clinical Pearl:**
Centrilobular necrosis should raise suspicion for drug toxicity, as it is a specific pattern of liver cell injury. In assessing patients with liver enzyme elevations, it is essential to consider potential drug interactions or side effects. A thorough medication history and assessment of the patient's current and recent medication use is crucial in determining the cause of centrilobular necrosis.

**Correct Answer:** D. Drug toxicity