Doctors can usually tell whether or not a lump is a lipoma with a physical examination. If necessary, the doctor may choose to take a biopsy of the lump, or an x-ray. These additional tests are only run if the lipoma either doesn't move or is presenting with pain.

MartinPrescott / Getty Images
This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.