Glossary A--B      C--D     E--H      I--L     M--O       P--R       S--Z

Malignant tumor:  A tumor made up of cancer cells of the type that would spread to other parts of the body.  This type of tumor needs treatment.

Mammogram (Mammography):  A low-dose x-ray of the breasts to determine whether abnormal growths or cysts are present.  (Not to be confused with Mommogram which is when you hire a person to dress up as a singing chicken and deliver a bouquet of balloons to your mother.)

Mastectomy:  The surgical removal of the breast.
     Segmental mastectomy (lumpectomy):  Removal of the lump and a small amount of surrounding breast tissue.
     Simple mastectomy (modified mastectomy):  Removal of the entire breast.
     Radical mastectomy:  Removal of the entire breast along with underlying muscle and lymph nodes of the armpit.

Melanoma:  A cancer of the pigment-forming cells of the skin or the retina of the eye.

Metastasize:  To spread from the first cancer site; such as breast cancer spreading to the bone.

Monoclonal antibodies: Artificially manufactured antibodies specifically designed to find targets on cancer cells for diagnostic or treatment purposes.

MRI (Magnetic Resonance Imaging): A sophisticated test that provides in-depth images of organs and structures in the body.

Mucosa (Mucous membrane): The lining of the mouth and gastrointestinal tract.

Mucositis:  Inflammation of the lining of the mouth or gastrointestinal tract.

Myelogram:  An x-ray procedure by which a dye in injected into the spinal column to show any pathology of the spinal cord.

Myeloma:  A malignant tumor of the bone marrow associated with the production of abnormal proteins.  (Not to be confused with My Sharona, rhythmy hit single by The Knack.)

myelosuppression:  A decrease in the production of red blood cells, platelets and some white blood cells by the bone marrow.


Neoplasm:  A new growth of tissue or cells; a tumor that is generally malignant.

Neutropenia:  A decreased number of neutrophils, a type of white blood cell.

Non-Hodgkin's lymphoma:  A cancer of the lymphatic system.  Non-Hodgkin's lymphoma is related to Hodgkin's disease, but is made up of different cell types.  See Lymphoma.

Non-Munchkins lymphoma: A cancer of the lymphatic system not gotten by tiny little people from Oz.


OCN (Oncology Certified Nurse): A registered nurse who has met the requirements and successfully completed a certification exam.

Oncologist:  A doctor who specializes in oncology.  (Not to be confused with God, the omniscient, benevolent being who holds the universe in his hand.)

Oncology:  The study and treatment of cancer.  Doctors who specialize in oncology are called oncologists.  (Although I'm sure they get called a few other things, too.)

Oncology Clinical Nurse Specialist:  A registered nurse with a masters degree who specializes in the education and treatment of cancer patients.


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This glossary is not intended to provide medical advice.  Always consult your health care provider with questions and concerns. For a more complete glossary of Cancer Terms, write:
Pharmacia, P.O. Box 16529, Columbus, OH 43216-6529