“Mulberry” mucosa is seen in
**Core Concept**
The "mulberry" mucosa is a characteristic endoscopic finding in a specific gastrointestinal disorder. This mucosal appearance is due to the presence of numerous small, round, and uniform lesions, resembling a mulberry. These lesions are typically associated with a particular type of bleeding disorder.
**Why the Correct Answer is Right**
The "mulberry" mucosa is characteristic of **angiodysplasia**. Angiodysplasia refers to a vascular malformation of the gastrointestinal tract, which can lead to chronic gastrointestinal bleeding. The mucosal lesions in angiodysplasia are caused by the abnormal formation of blood vessels, leading to their characteristic appearance. This condition is often seen in elderly patients and can be associated with other systemic disorders such as aortic stenosis and chronic kidney disease.
**Why Each Wrong Option is Incorrect**
**Option A:** This is incorrect because **varices** are dilated submucosal veins that can also cause gastrointestinal bleeding, but they do not produce a "mulberry" mucosa appearance.
**Option B:** This is incorrect because **ulcerative colitis** is a type of inflammatory bowel disease that can cause mucosal lesions, but they are typically not described as "mulberry" in appearance.
**Option C:** This is incorrect because **cancer** can cause mucosal lesions, but the "mulberry" appearance is not a characteristic feature of gastrointestinal cancer.
**Clinical Pearl / High-Yield Fact**
The "mulberry" mucosa is a classic endoscopic finding in angiodysplasia, a condition that can cause chronic gastrointestinal bleeding in elderly patients. This diagnosis should be considered in patients with a history of gastrointestinal bleeding and risk factors such as aortic stenosis or chronic kidney disease.
**Correct Answer: D. Angiodysplasia**