Reye’s syndrome is characterized by – a) Viral infection is seen b) Present as deep jaundice c) Cerebral edema d) Microvesicular fatty infiltration
**Core Concept**
Reye's syndrome is a rare but serious condition that affects the liver and brain, typically in children and teenagers recovering from a viral infection. It is characterized by an unusual pattern of liver damage and swelling of the brain.
**Why the Correct Answer is Right**
Reye's syndrome is caused by the accumulation of microvesicular fatty droplets in the liver cells, leading to liver dysfunction. This condition is often associated with the use of aspirin during a viral infection, which can trigger the release of toxic substances that damage the liver and brain. The microvesicular fatty infiltration is a hallmark of Reye's syndrome, distinguishing it from other liver disorders.
**Why Each Wrong Option is Incorrect**
**Option A:** Viral infection is a common trigger for Reye's syndrome, but it is not a defining characteristic of the condition. While viral infections may precede the development of Reye's syndrome, they are not a direct cause.
**Option B:** Deep jaundice is not a typical presentation of Reye's syndrome. The condition is often characterized by non-specific symptoms such as vomiting, lethargy, and confusion, with jaundice developing later in the course of the disease.
**Option C:** Cerebral edema is a feature of Reye's syndrome, but it is not the most distinctive characteristic of the condition. While brain swelling can occur, the microvesicular fatty infiltration in the liver is a more specific diagnostic feature.
**Option D:** This option is incorrect because Reye's syndrome is actually characterized by **macrovesicular** fatty infiltration, not microvesicular.
**Clinical Pearl / High-Yield Fact**
Reye's syndrome is a rare but serious condition that highlights the importance of avoiding aspirin use in children and teenagers recovering from a viral infection.
**Correct Answer:** D. Microvesicular fatty infiltration.