Water lily sign is seen in:
**Core Concept**
The water lily sign is a radiological finding associated with a specific condition. It is related to the appearance of the **intussusception** on imaging studies. This sign is crucial for diagnosing certain abdominal conditions.
**Why the Correct Answer is Right**
The water lily sign is typically seen in **intussusception**, where a part of the intestine invaginates into another section, causing bowel obstruction. On imaging, particularly ultrasound, the invaginated portion and the surrounding intestinal wall create a appearance reminiscent of a water lily. This is due to the layers of the bowel wall and the invaginated loop.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect as it does not relate to the specific radiological appearance of intussusception.
**Option B:** Not relevant to the water lily sign.
**Option C:** Not associated with this particular sign.
**Clinical Pearl / High-Yield Fact**
The water lily sign is a critical finding for diagnosing **intussusception**, especially in pediatric patients. Recognizing this sign can lead to timely intervention.
**Correct Answer:** D. Intussusception.