What finding in the liver is consistent with alcoholic liver disease?

Prepare for USMLE Step 1 Pathology Exam with comprehensive quizzes, flashcards, and detailed explanations. Enhance your understanding and be exam-ready!

In alcoholic liver disease, one key histological finding is the presence of Mallory bodies. Mallory bodies are cytoplasmic inclusions found in hepatocytes, and they consist of damaged intermediate filaments, specifically cytokeratin, that aggregate as a result of cellular injury due to alcohol consumption. The presence of Mallory bodies is particularly significant in alcoholic liver disease as they indicate hepatocellular damage and are commonly associated with alcoholic hepatitis.

While macrovesicular steatosis (the accumulation of fat within liver cells) can also be a feature of alcoholic liver disease, it is not as specific or definitive for this condition as the presence of Mallory bodies. Hyaline droplet degeneration refers to the accumulation of proteins in the cytoplasm and is generally seen in a variety of liver diseases, not just alcohol-related ones. Fibrosis can occur in many liver diseases as a result of chronic injury but does not specifically indicate alcoholic liver disease without additional context.

Thus, the identification of Mallory bodies serves as a characteristic marker that aids in diagnosing and understanding the pathophysiology of alcoholic liver disease.

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