**Core Concept**
Nutmeg liver refers to a specific histopathological appearance of the liver characterized by a mottled, speckled, or nutmeg-like pattern of liver parenchyma. This phenomenon is due to an increase in the number of hepatocytes, leading to a disruption of the normal liver architecture.

**Why the Correct Answer is Right**
The appearance of nutmeg liver is a result of chronic passive congestion of the liver, typically seen in conditions such as right-sided heart failure. In these cases, the increased pressure in the hepatic veins leads to congestion and subsequent hepatocyte swelling, giving the liver a characteristic mottled appearance. This pathophysiological process involves the obstruction of blood flow, causing an accumulation of blood in the liver sinusoids.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because nutmeg liver is not typically associated with liver cell necrosis or inflammation, which are more characteristic of acute liver injury.

**Option B:** This option is incorrect because nutmeg liver is not primarily a result of direct toxic injury to the liver cells, but rather a consequence of chronic circulatory congestion.

**Option C:** This option is incorrect because nutmeg liver is not a hallmark of primary liver disease, such as hepatitis or cirrhosis, but rather a complication of systemic conditions affecting liver circulation.

**Clinical Pearl / High-Yield Fact**
Nutmeg liver is a classic radiological and histopathological finding in patients with right-sided heart failure, emphasizing the importance of considering cardiac disease in the differential diagnosis of liver abnormalities.

**Correct Answer: B. Chronic passive congestion of the liver, typically seen in right-sided heart failure.**