Pathognomonic Features of Olmesartan-Induced Collagenous Sprue Resulting in Severe Small Bowel Malabsorption

Collagenous sprue (CS) is a rare autoimmune gastrointestinal disorder characterized by specific histologic changes in the small intestine. It often presents with more severe symptoms and a worse prognosis compared to celiac disease, including significant malabsorption, weight loss, and nutrient defi... View More