Adipose tissue neoplasm refers to the abnormal growth of fat cells in the body, which can be benign or cancerous. There are several synonyms for this medical term, including adipocytic tumor, lipoma, liposarcoma, and fatty tumor. These terms describe the same condition using different medical terminology, depending on the characteristics of the tumor and its location in the body. Adipose tissue neoplasm can occur in various parts of the body, including the abdomen, limbs, neck, and back, and can cause discomfort, pain, or mobility issues. Treatment options vary and may involve surgical removal, radiation therapy, or chemotherapy, depending on the type and stage of the tumor.