Hour glass deformity of stomach is seen in which of the following condition:
**Core Concept**
The hourglass deformity of the stomach refers to a condition where the stomach is constricted at two points, resulting in a narrowed midsection. This phenomenon is typically associated with gastric volvulus, where the stomach twists abnormally, leading to a characteristic hourglass appearance on radiographic imaging.
**Why the Correct Answer is Right**
Gastric volvulus is a rare condition where the stomach rotates around its mesenteric axis, often due to a congenital anomaly or acquired conditions such as a hiatal hernia. The twisting of the stomach can lead to an obstruction of the gastric lumen, resulting in an hourglass deformity. This condition requires prompt surgical intervention to prevent complications such as ischemia and necrosis of the gastric tissue.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is not relevant to the hourglass deformity of the stomach. Gastric cancer may cause narrowing of the gastric lumen, but it does not typically result in an hourglass deformity.
* **Option B:** This option is incorrect because pyloric stenosis is a condition characterized by narrowing of the pyloric channel, which is a different anatomical region than the stomach.
**Clinical Pearl / High-Yield Fact**
Gastric volvulus is a surgical emergency that requires prompt diagnosis and treatment to prevent complications. A high index of suspicion is necessary, especially in patients with a history of hiatal hernia or other conditions that may predispose to gastric volvulus.
**Correct Answer:** C. Gastric volvulus.