👉 Lymphocytomatosis is a condition in which there are abnormal numbers of lymphocytes (white blood cells) in the body. A normal white blood cell count would be between 4,000 to 12,000 per microliter. This can occur in many different conditions and may also be caused by certain medications or infections. If a person has lymphocytoma, they have an abnormal number of lymphocytes in their body that are not normally part of