👉 Splenadenoma is a type of tumor that occurs in the spleen, which is an organ located in the center of your body. It's a benign (not cancerous) condition, meaning it doesn't grow or spread outside of the body. Splenadenomas are usually small and can be painless or cause redness or swelling in places like your arms, legs, or back. They may also be associated with other medical conditions like Crohn's disease or rheumatoid