What causes black stool after minimally invasive surgery for colon polyps?

Black stool after minimally invasive surgery for colon polyps may be caused by several factors: 1. Postoperative bleeding: Although minimally invasive surgery causes less trauma, it may still lead to localized bleeding in the intestine. Blood oxidizes within the gastrointestinal tract, resulting in black-colored stool. This type of bleeding is usually mild and often does not require specific treatment, but changes in stool color should be closely monitored. 2. Postoperative intestinal inflammation or ulceration: The intestinal tract may become irritated after surgery, potentially leading to inflammation or ulcers that cause bleeding and subsequently result in black stool. In such cases, treatment with acid-suppressing medications or antibiotics may be necessary. 3. Use of anticoagulant medications after surgery: If patients are required to take anticoagulants postoperatively, their blood clotting function may be affected, leading to minor bleeding and darkening of the stool. Black stool following minimally invasive removal of colon polyps may result from various factors including postoperative bleeding, intestinal inflammation or ulceration, or use of anticoagulant drugs. If symptoms persist or worsen, prompt medical evaluation is essential to establish an accurate diagnosis and initiate appropriate treatment.